In this web quest, students will learn the differences between Non-Living things. They will also learn to categorise things as living or Non- Living Things
Dynamic mechanical analysis (DMA) measures the viscoelastic properties of materials by applying a periodic stress in different deformation modes while varying temperature or frequency. In DMA, the sample is subjected to forces like bending, tension, shear or compression, and the modulus is measured as a function of time or temperature to provide information about phase transitions. DMA is useful for characterizing materials' mechanical properties and transitions, validating other analysis methods, and evaluating factors like polymer composition and miscibility.
This document discusses X-ray diffraction (XRD) techniques and their application to materials characterization. XRD works on Bragg's law to detect crystalline structures by measuring diffraction patterns from samples bombarded with X-rays. Key applications of XRD include phase identification, crystal structure determination, and measuring properties like crystal size and strain. The document outlines the components of an XRD system and how diffraction data is collected, indexed, and compared to standards to analyze materials. Limitations include issues with non-homogeneous samples and challenges in analyzing complex crystal structures.
1. A central force is one that is always directed towards a fixed point. Examples include gravitational force, forces causing uniform circular motion, and simple harmonic motion.
2. To analyze central forces, vectors, differentiation, and vector differentiation must be understood. The differentiation of position, velocity, and acceleration vectors in Cartesian and polar coordinates is examined.
3. For a central force, the radial component of acceleration is related to the magnitude of the force, while the tangential component depends on the angular acceleration and velocity. Examples of central forces producing different types of motion are given.
The document summarizes key concepts in elastic-plastic fracture mechanics including crack tip opening displacement (CTOD), the J-integral, and relationships between J, CTOD, and crack growth resistance curves. It discusses how CTOD and J were developed to characterize fracture in materials where linear elastic fracture mechanics is no longer valid due to plasticity. The J-integral is introduced as a path-independent parameter that uniquely characterizes crack tip conditions in nonlinear materials. Methods for determining J experimentally and from load-displacement curves are also presented.
This document provides objectives and guidance for revising physics concepts related to measurement and analysis, including choosing measuring instruments, identifying variables, making measurements, processing data, using equations and graphs, identifying sources of error, and drawing valid conclusions from experimental evidence and results. Key concepts covered include significant figures, sensitivity, precision, accuracy, systematic and random error, and analyzing linear relationships through equations, direct and inverse proportion, and calculating gradients and intercepts from graphs.
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This document discusses diffusion, including:
1) Steady-state diffusion is when the rate of diffusion is independent of time and follows Fick's first law. Non-steady state diffusion follows Fick's second law, where concentration depends on both position and time.
2) The diffusion coefficient D increases exponentially with temperature and can be calculated from an Arrhenius equation.
3) Examples are provided to demonstrate calculating D at different temperatures and solving diffusion problems involving concentration gradients over time.
This document discusses errors and uncertainty in measurement. It defines error as the difference between an individual measurement and the true value. Errors can be random or systematic. Sources of error include the measuring instrument, the item being measured, the measurement process, and environmental factors. There are two types of uncertainty - type A which is evaluated statistically from repeated measurements, and type B which is evaluated from other sources like specifications or published data. Calculating uncertainty involves identifying sources of uncertainty, estimating individual uncertainties, and combining them to obtain an overall measurement uncertainty.
Dynamic mechanical analysis (DMA) measures the viscoelastic properties of materials by applying a periodic stress in different deformation modes while varying temperature or frequency. In DMA, the sample is subjected to forces like bending, tension, shear or compression, and the modulus is measured as a function of time or temperature to provide information about phase transitions. DMA is useful for characterizing materials' mechanical properties and transitions, validating other analysis methods, and evaluating factors like polymer composition and miscibility.
This document discusses X-ray diffraction (XRD) techniques and their application to materials characterization. XRD works on Bragg's law to detect crystalline structures by measuring diffraction patterns from samples bombarded with X-rays. Key applications of XRD include phase identification, crystal structure determination, and measuring properties like crystal size and strain. The document outlines the components of an XRD system and how diffraction data is collected, indexed, and compared to standards to analyze materials. Limitations include issues with non-homogeneous samples and challenges in analyzing complex crystal structures.
1. A central force is one that is always directed towards a fixed point. Examples include gravitational force, forces causing uniform circular motion, and simple harmonic motion.
2. To analyze central forces, vectors, differentiation, and vector differentiation must be understood. The differentiation of position, velocity, and acceleration vectors in Cartesian and polar coordinates is examined.
3. For a central force, the radial component of acceleration is related to the magnitude of the force, while the tangential component depends on the angular acceleration and velocity. Examples of central forces producing different types of motion are given.
The document summarizes key concepts in elastic-plastic fracture mechanics including crack tip opening displacement (CTOD), the J-integral, and relationships between J, CTOD, and crack growth resistance curves. It discusses how CTOD and J were developed to characterize fracture in materials where linear elastic fracture mechanics is no longer valid due to plasticity. The J-integral is introduced as a path-independent parameter that uniquely characterizes crack tip conditions in nonlinear materials. Methods for determining J experimentally and from load-displacement curves are also presented.
This document provides objectives and guidance for revising physics concepts related to measurement and analysis, including choosing measuring instruments, identifying variables, making measurements, processing data, using equations and graphs, identifying sources of error, and drawing valid conclusions from experimental evidence and results. Key concepts covered include significant figures, sensitivity, precision, accuracy, systematic and random error, and analyzing linear relationships through equations, direct and inverse proportion, and calculating gradients and intercepts from graphs.
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This document discusses diffusion, including:
1) Steady-state diffusion is when the rate of diffusion is independent of time and follows Fick's first law. Non-steady state diffusion follows Fick's second law, where concentration depends on both position and time.
2) The diffusion coefficient D increases exponentially with temperature and can be calculated from an Arrhenius equation.
3) Examples are provided to demonstrate calculating D at different temperatures and solving diffusion problems involving concentration gradients over time.
This document discusses errors and uncertainty in measurement. It defines error as the difference between an individual measurement and the true value. Errors can be random or systematic. Sources of error include the measuring instrument, the item being measured, the measurement process, and environmental factors. There are two types of uncertainty - type A which is evaluated statistically from repeated measurements, and type B which is evaluated from other sources like specifications or published data. Calculating uncertainty involves identifying sources of uncertainty, estimating individual uncertainties, and combining them to obtain an overall measurement uncertainty.
This document discusses the gas adsorption technique for determining surface area of solids. It works based on the BET theory of gas molecules physically adsorbing onto surfaces. The technique involves pretreating a solid sample under heat and vacuum to remove contaminants, then exposing it to incremental doses of an adsorptive gas like nitrogen at cryogenic temperatures. By measuring the quantity of gas adsorbed at each pressure, an adsorption isotherm can be generated to determine the monolayer capacity and calculate the surface area based on the area each adsorbed gas molecule covers. The gas adsorption technique can measure pores between 0.4-50nm and is an established, easy method for surface area analysis.
Thermo mechanical analysis (TMA) measures the relationship between a sample's length or volume and temperature. TMA instruments precisely measure both the temperature of a sample and very small movements of a probe in contact with the sample. TMA is mainly used to study polymers, characterizing polymers and assessing their mechanical properties. Some applications of TMA include measuring the thermal expansion of materials like aluminum, studying the effect of cross-linking and plasticizers on polymers, and determining the relationship between hardness and indentation.
This document discusses significant figures and measurement uncertainty. It provides examples of exact vs measured numbers, rules for determining significant figures, and how to properly round measurements. Key points include:
- Measured numbers have uncertainty since the last digit is an estimate
- There are 4 rules for determining if a zero is significant
- Scientific notation makes it clear how many digits are significant
- Calculations should be rounded according to whether the first discarded digit is less than or greater than 5.
Thermomechanical analysis (TMA) measures dimensional changes in materials under temperature changes and applied forces. TMA can be used to determine coefficients of thermal expansion and glass transition temperatures of materials. The document describes the components and functioning of a TMA instrument, including sample probes, temperature sensors, and displacement transducers. Applications discussed include quality control testing of materials like polymers, waxes, and fibers to analyze thermal transitions and degradation effects.
This document discusses mechanical properties that can be determined from tensile and shear tests. It defines key terms like stress, strain, elastic modulus, yield strength, and tensile strength. A typical stress-strain curve is shown and each region is explained. The elastic portion is linear up to the yield point, then the plastic region involves necking and strain hardening until ultimate failure. True stress and strain account for changes in cross-sectional area during deformation. The document also compares properties like ductility and toughness between different materials.
This document provides notes on material science concepts and assignments. It discusses submitting assignments before the due date, taking quizzes during designated times, forming groups of two for reports and presentations, and completing a term paper. It also defines key terms like crystalline and non-crystalline materials, deformation, stress, strain, mechanical properties including elasticity, ductility, brittleness, hardness, and toughness. Stress-strain curves are explained showing elastic and plastic regions. Students are instructed to never copy assignments or cheat on quizzes.
Thermal analysis techniques such as thermo gravimetric analysis (TGA) and differential thermal analysis (DTA) are used to study how the properties of materials change with temperature. TGA measures weight changes in a material as it is heated, revealing physical and chemical changes like decomposition and phase transitions. DTA detects exothermic or endothermic reactions in a sample material by comparing its temperature to a reference as both are heated. Common applications of these techniques include determining purity and stability, studying reaction kinetics, and characterizing complex mixtures.
The document discusses the behavior of materials under stress and strain. It defines stress as the internal resistance of a material to external loads, and strain as the deformation or change in shape of a material under stress. The key types of stress are tensile, compressive, and shear stress. Hooke's law states that stress is proportional to strain within the material's elastic limit, after which plastic deformation occurs. The elastic modulus, shear modulus, and bulk modulus describe a material's response to different types of stress.
Lagrangian mechanics is a reformulation of classical mechanics introduced by Joseph-Louis Lagrange in 1788. The Lagrangian is a function of generalized coordinates (parameters that define a system's configuration), their time derivatives, and time. It contains information about a system's dynamics. Systems are described by their degrees of freedom, which is the number of independent parameters needed to specify the configuration. Lagrangian mechanics provides a standard form of equations of motion using the Lagrangian L, which is the kinetic energy T minus the potential energy V. Several examples are given to illustrate Lagrangian mechanics, including mass-spring systems, simple pendulums, Atwood machines, and double pendulums.
Crystals have basic building blocks called unit cells that are arranged in a periodic pattern described by a lattice. The unit cells contain motif groups of atoms associated with each lattice point. There are 14 possible types of space lattices belonging to 7 crystal systems characterized by distinct unit cell shapes and symmetries. The crystal structure is defined by the space lattice and the motif or basis group of atoms.
Dynamic mechanical analysis (DMA) is a technique that applies a periodic force to a material and measures the storage and loss modulus to characterize the viscoelastic properties. It can detect glass transition temperatures and other secondary transitions. The main components of a DMA machine include a motor to apply dynamic stress, an LVDT to measure strain, and a furnace. Samples are clamped and heated while a sinusoidal force is applied. The storage and loss modulus are calculated from the stress and strain measurements and plotted against temperature or time. DMA can be used to characterize polymers and fibers, determine the effects of composition, crystallinity, and orientation on transitions, and identify defects.
Dynamic Mechanical Analysis (DMA) allows relating a material's molecular structure, processing conditions, and product properties by applying an oscillating force to a material and measuring its response. DMA can measure storage and loss moduli and viscosity to characterize glass transitions, relaxations, and other molecular motions as a function of temperature, time, or frequency. Multiple sample geometries enable testing materials in various forms under tension, compression, flexure, and shear modes.
The Charpy impact test determines the impact toughness or strength of a material by measuring the energy absorbed when a pendulum strikes a V-notched specimen. Testing was conducted on specimens at room temperature (24.3°C) and -40°C. The room temperature specimen absorbed more energy (17.33J) and was more ductile, while the -40°C specimen absorbed less energy (2.10J) and was more brittle. Impact toughness depends on temperature, with materials becoming more brittle at lower temperatures.
This document discusses Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC). TGA measures the change in weight of a sample during heating or cooling, while DSC measures the heat absorbed or released by a sample during phase transitions or chemical reactions. Both techniques provide information about physical and chemical changes in materials as functions of temperature. The document describes the principles, instrumentation, experimental procedures, sources of error, and applications of TGA and DSC for characterizing materials.
This report summarizes fatigue testing conducted on 10 specimens of AISI 1018 cold rolled steel. The specimens were initially tested under reversed loading conditions. Testing showed significantly higher than expected strength properties, indicating the material may not be 1018 steel or internal stresses from fabrication. To investigate, some specimens underwent annealing and additional testing, including tensile testing, hardness testing, and metallography. Annealing reduced internal stresses as strengths matched expected values post-annealing. The report concludes with appendices detailing each test and analysis conducted.
Micro hardness testing involves forcing a diamond indenter with a specific geometry into the surface of a test piece under a small load, then using a microscope to measure the resulting indentation to determine the hardness; there are three main types of tests that differ by the indenter shape and how indentation size is measured; micro hardness testing is useful for measuring small parts, surface layers, and the hardness of individual micro-constituents.
The document discusses estimating crystallite size using X-ray diffraction (XRD). It provides a brief history of XRD, introducing key concepts like the Scherrer equation published in 1918 relating crystallite size to peak broadening. It discusses factors that contribute to observed peak profiles, including instrumental broadening, crystallite size, microstrain, and others. It also covers considerations for accurately analyzing crystallite size such as deconvoluting instrumental and sample contributions, and effects of crystallite shape, size distribution, and the measurement technique.
The document discusses fundamental particles and forces. It explains that every particle has an antiparticle with opposite charge that acts as a mirror image. The four fundamental forces - gravitational, electromagnetic, weak nuclear, and strong nuclear forces - are carried by exchange particles that produce attractive or repulsive forces over different ranges. The strong nuclear force mediated by gluons has the shortest range but is the strongest force binding quarks and nucleons together in the nucleus.
X-Ray Photoelectron Spectroscopy (XPS) is a surface-sensitive technique that uses X-rays to eject electrons from the surface of a sample. An XPS instrument measures the kinetic energy of these ejected electrons to identify the elements present and the chemical and electronic states of the surface. XPS provides information only about the top 10-100 angstroms of the sample surface and requires ultra-high vacuum to prevent contamination. The technique produces characteristic peaks in spectra that can be matched to elemental binding energies to determine sample composition.
MH loop of Para, ferro, ferri and anti-ferromagnetic material ,MehakTariq5
This document discusses different types of magnetic materials including paramagnetic, ferro magnetic, ferrimagnetic, and antiferromagnetic materials. It explains that paramagnetic materials have little magnetic moment that is randomly aligned, while ferro magnetic materials retain magnetization even after removing an external magnetic field. Ferrimagnetic materials have some magnetic domains aligned in the same direction and some in opposite directions. Antiferromagnetic materials have neighboring atomic magnetic domains aligned in opposite directions. The document also discusses magnetic susceptibility and ordering of spins in different magnetic materials, and how the critical temperature can indicate magnetic phase transitions.
This document provides a pronoun selection task, asking the reader to select the correct pronoun for each sentence by clicking on the answer. It contains 8 sentences testing different pronouns including subject pronouns like she/he/they as well as object pronouns like her/him/them. The reader must determine whether each pronoun is being used as a subject or object and choose the matching pronoun.
Introduction to living nonliving and clasification Biology 7 2015 Michaela Lawrence
The document discusses the classification of living and non-living things. It defines living things as organisms that can carry out life processes like movement, reproduction, growth, etc. Non-living things were never alive and dead things once lived but no longer carry out life processes. The document also discusses how classification systems like dichotomous keys are used to organize objects into categories to identify and communicate about them effectively. Classification helps bring order to shopping by sorting items in supermarkets and allows scientists to study and identify organisms systematically.
This document discusses the gas adsorption technique for determining surface area of solids. It works based on the BET theory of gas molecules physically adsorbing onto surfaces. The technique involves pretreating a solid sample under heat and vacuum to remove contaminants, then exposing it to incremental doses of an adsorptive gas like nitrogen at cryogenic temperatures. By measuring the quantity of gas adsorbed at each pressure, an adsorption isotherm can be generated to determine the monolayer capacity and calculate the surface area based on the area each adsorbed gas molecule covers. The gas adsorption technique can measure pores between 0.4-50nm and is an established, easy method for surface area analysis.
Thermo mechanical analysis (TMA) measures the relationship between a sample's length or volume and temperature. TMA instruments precisely measure both the temperature of a sample and very small movements of a probe in contact with the sample. TMA is mainly used to study polymers, characterizing polymers and assessing their mechanical properties. Some applications of TMA include measuring the thermal expansion of materials like aluminum, studying the effect of cross-linking and plasticizers on polymers, and determining the relationship between hardness and indentation.
This document discusses significant figures and measurement uncertainty. It provides examples of exact vs measured numbers, rules for determining significant figures, and how to properly round measurements. Key points include:
- Measured numbers have uncertainty since the last digit is an estimate
- There are 4 rules for determining if a zero is significant
- Scientific notation makes it clear how many digits are significant
- Calculations should be rounded according to whether the first discarded digit is less than or greater than 5.
Thermomechanical analysis (TMA) measures dimensional changes in materials under temperature changes and applied forces. TMA can be used to determine coefficients of thermal expansion and glass transition temperatures of materials. The document describes the components and functioning of a TMA instrument, including sample probes, temperature sensors, and displacement transducers. Applications discussed include quality control testing of materials like polymers, waxes, and fibers to analyze thermal transitions and degradation effects.
This document discusses mechanical properties that can be determined from tensile and shear tests. It defines key terms like stress, strain, elastic modulus, yield strength, and tensile strength. A typical stress-strain curve is shown and each region is explained. The elastic portion is linear up to the yield point, then the plastic region involves necking and strain hardening until ultimate failure. True stress and strain account for changes in cross-sectional area during deformation. The document also compares properties like ductility and toughness between different materials.
This document provides notes on material science concepts and assignments. It discusses submitting assignments before the due date, taking quizzes during designated times, forming groups of two for reports and presentations, and completing a term paper. It also defines key terms like crystalline and non-crystalline materials, deformation, stress, strain, mechanical properties including elasticity, ductility, brittleness, hardness, and toughness. Stress-strain curves are explained showing elastic and plastic regions. Students are instructed to never copy assignments or cheat on quizzes.
Thermal analysis techniques such as thermo gravimetric analysis (TGA) and differential thermal analysis (DTA) are used to study how the properties of materials change with temperature. TGA measures weight changes in a material as it is heated, revealing physical and chemical changes like decomposition and phase transitions. DTA detects exothermic or endothermic reactions in a sample material by comparing its temperature to a reference as both are heated. Common applications of these techniques include determining purity and stability, studying reaction kinetics, and characterizing complex mixtures.
The document discusses the behavior of materials under stress and strain. It defines stress as the internal resistance of a material to external loads, and strain as the deformation or change in shape of a material under stress. The key types of stress are tensile, compressive, and shear stress. Hooke's law states that stress is proportional to strain within the material's elastic limit, after which plastic deformation occurs. The elastic modulus, shear modulus, and bulk modulus describe a material's response to different types of stress.
Lagrangian mechanics is a reformulation of classical mechanics introduced by Joseph-Louis Lagrange in 1788. The Lagrangian is a function of generalized coordinates (parameters that define a system's configuration), their time derivatives, and time. It contains information about a system's dynamics. Systems are described by their degrees of freedom, which is the number of independent parameters needed to specify the configuration. Lagrangian mechanics provides a standard form of equations of motion using the Lagrangian L, which is the kinetic energy T minus the potential energy V. Several examples are given to illustrate Lagrangian mechanics, including mass-spring systems, simple pendulums, Atwood machines, and double pendulums.
Crystals have basic building blocks called unit cells that are arranged in a periodic pattern described by a lattice. The unit cells contain motif groups of atoms associated with each lattice point. There are 14 possible types of space lattices belonging to 7 crystal systems characterized by distinct unit cell shapes and symmetries. The crystal structure is defined by the space lattice and the motif or basis group of atoms.
Dynamic mechanical analysis (DMA) is a technique that applies a periodic force to a material and measures the storage and loss modulus to characterize the viscoelastic properties. It can detect glass transition temperatures and other secondary transitions. The main components of a DMA machine include a motor to apply dynamic stress, an LVDT to measure strain, and a furnace. Samples are clamped and heated while a sinusoidal force is applied. The storage and loss modulus are calculated from the stress and strain measurements and plotted against temperature or time. DMA can be used to characterize polymers and fibers, determine the effects of composition, crystallinity, and orientation on transitions, and identify defects.
Dynamic Mechanical Analysis (DMA) allows relating a material's molecular structure, processing conditions, and product properties by applying an oscillating force to a material and measuring its response. DMA can measure storage and loss moduli and viscosity to characterize glass transitions, relaxations, and other molecular motions as a function of temperature, time, or frequency. Multiple sample geometries enable testing materials in various forms under tension, compression, flexure, and shear modes.
The Charpy impact test determines the impact toughness or strength of a material by measuring the energy absorbed when a pendulum strikes a V-notched specimen. Testing was conducted on specimens at room temperature (24.3°C) and -40°C. The room temperature specimen absorbed more energy (17.33J) and was more ductile, while the -40°C specimen absorbed less energy (2.10J) and was more brittle. Impact toughness depends on temperature, with materials becoming more brittle at lower temperatures.
This document discusses Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC). TGA measures the change in weight of a sample during heating or cooling, while DSC measures the heat absorbed or released by a sample during phase transitions or chemical reactions. Both techniques provide information about physical and chemical changes in materials as functions of temperature. The document describes the principles, instrumentation, experimental procedures, sources of error, and applications of TGA and DSC for characterizing materials.
This report summarizes fatigue testing conducted on 10 specimens of AISI 1018 cold rolled steel. The specimens were initially tested under reversed loading conditions. Testing showed significantly higher than expected strength properties, indicating the material may not be 1018 steel or internal stresses from fabrication. To investigate, some specimens underwent annealing and additional testing, including tensile testing, hardness testing, and metallography. Annealing reduced internal stresses as strengths matched expected values post-annealing. The report concludes with appendices detailing each test and analysis conducted.
Micro hardness testing involves forcing a diamond indenter with a specific geometry into the surface of a test piece under a small load, then using a microscope to measure the resulting indentation to determine the hardness; there are three main types of tests that differ by the indenter shape and how indentation size is measured; micro hardness testing is useful for measuring small parts, surface layers, and the hardness of individual micro-constituents.
The document discusses estimating crystallite size using X-ray diffraction (XRD). It provides a brief history of XRD, introducing key concepts like the Scherrer equation published in 1918 relating crystallite size to peak broadening. It discusses factors that contribute to observed peak profiles, including instrumental broadening, crystallite size, microstrain, and others. It also covers considerations for accurately analyzing crystallite size such as deconvoluting instrumental and sample contributions, and effects of crystallite shape, size distribution, and the measurement technique.
The document discusses fundamental particles and forces. It explains that every particle has an antiparticle with opposite charge that acts as a mirror image. The four fundamental forces - gravitational, electromagnetic, weak nuclear, and strong nuclear forces - are carried by exchange particles that produce attractive or repulsive forces over different ranges. The strong nuclear force mediated by gluons has the shortest range but is the strongest force binding quarks and nucleons together in the nucleus.
X-Ray Photoelectron Spectroscopy (XPS) is a surface-sensitive technique that uses X-rays to eject electrons from the surface of a sample. An XPS instrument measures the kinetic energy of these ejected electrons to identify the elements present and the chemical and electronic states of the surface. XPS provides information only about the top 10-100 angstroms of the sample surface and requires ultra-high vacuum to prevent contamination. The technique produces characteristic peaks in spectra that can be matched to elemental binding energies to determine sample composition.
MH loop of Para, ferro, ferri and anti-ferromagnetic material ,MehakTariq5
This document discusses different types of magnetic materials including paramagnetic, ferro magnetic, ferrimagnetic, and antiferromagnetic materials. It explains that paramagnetic materials have little magnetic moment that is randomly aligned, while ferro magnetic materials retain magnetization even after removing an external magnetic field. Ferrimagnetic materials have some magnetic domains aligned in the same direction and some in opposite directions. Antiferromagnetic materials have neighboring atomic magnetic domains aligned in opposite directions. The document also discusses magnetic susceptibility and ordering of spins in different magnetic materials, and how the critical temperature can indicate magnetic phase transitions.
This document provides a pronoun selection task, asking the reader to select the correct pronoun for each sentence by clicking on the answer. It contains 8 sentences testing different pronouns including subject pronouns like she/he/they as well as object pronouns like her/him/them. The reader must determine whether each pronoun is being used as a subject or object and choose the matching pronoun.
Introduction to living nonliving and clasification Biology 7 2015 Michaela Lawrence
The document discusses the classification of living and non-living things. It defines living things as organisms that can carry out life processes like movement, reproduction, growth, etc. Non-living things were never alive and dead things once lived but no longer carry out life processes. The document also discusses how classification systems like dichotomous keys are used to organize objects into categories to identify and communicate about them effectively. Classification helps bring order to shopping by sorting items in supermarkets and allows scientists to study and identify organisms systematically.
All living things need to perform basic functions like nutrition, breathing, circulation and excretion. The document discusses the different types of nutrition like autotrophic organisms that produce their own food through photosynthesis and heterotrophic organisms that obtain food from other living or dead things. It also summarizes the process of nutrition in different kingdoms, including how plants absorb nutrients from soil and produce sugars through photosynthesis, and how animals ingest food, digest it to release nutrients, and absorb nutrients into their circulatory system.
This document discusses the difference between living and non-living things in a short two sentence format with the headings "Living Things" and "Non-Living Things".
This document provides a tutorial on distinguishing between living and non-living things and the characteristics of living things. It begins by stating the learning objectives as being able to differentiate between living and non-living things, and list the characteristics of living things. It then defines living things as those which grow, reproduce, and have other characteristics, while non-living things can either be things that were once part of a living thing, like coal, or things that were never part of a living thing, like stones. Finally, it lists and describes the seven main characteristics of living things as feeding, movement, breathing, excretion, growth, sensitivity, and reproduction.
Living things and non living things (with license)margamargs
This document provides information to help students in grades 1-3 classify living and non-living things. It defines living things as those that need food, water, air, can reproduce, grow and change, and respond to their environment. Non-living things do not need to eat or breathe and cannot reproduce or change. Examples of living things include animals and plants. Examples of non-living things include man-made objects. The document includes an interactive test for students to classify examples as living or non-living.
This powerpoint can be used in 3rd grade to introduce the features of living and nonliving things. It meets the ELA CCR Standard 2 - Integrate and evaluate information presented in diverse media and formats, including visually, quantitatively, and orally. It also meets the 3rd grade Science Essential Standard 3.L.2 Understand how plants survive and grow.
The document provides an orientation for youth on career exploration and guidance. It discusses the DepEd's career guidance programs from kindergarten to grade 12. It encourages participants to learn about career concepts, identify their skills and interests, and make wise decisions about their future. The document provides guidance on self-assessment, behavioral skills, career paths after senior high school, and helps address questions about career decision making. It stresses the importance of self-awareness and a slow, thoughtful approach to career exploration.
This document discusses voluntourism and contains listening exercises related to science outreach programs. It begins with a definition of voluntourism as volunteer work combined with tourism. It then discusses the benefits of voluntourism according to Linda Stuart and contains listening questions about motivations for voluntourism and the types of projects done. The document concludes with students presenting alternative 5-day outing plans for a hypothetical trip and the class voting on the best plan.
The document discusses the nature of critical and creative thinking in emergent learners. It states that children at a young age exhibit high cognitive skills including critical and creative thinking through activities like playing, observing, experimenting and asking questions. It emphasizes the important role of adults in entertaining children's inquiries and identifying their quest for information. Both critical and creative thinking are considered higher-order thinking skills that develop through guided play and free play as children discover things naturally by searching, comparing and problem solving. The document also outlines some barriers to the development of these skills and provides logic puzzles to engage critical thinking.
This document summarizes a presentation on achieving success during Ofsted early years inspections. The presentation covers teaching, learning and assessment based on Ofsted's inspection framework, developing self-improving early years systems, and avoiding using Ofsted as a motivator. It discusses the importance of values, characteristics of effective learning, proper assessment practices, and becoming a leader to approach inspections confidently while focusing on pedagogy rather than data. The document promotes practitioner-led research and collaboration to drive systemic change.
How to Integrate the Challenging Child Into the ClassroomTuesday's Child
Katie Conkin, M.Ed., Program Director at Tuesday's Child presents on "How to Integrate the Challenging Child Into the Classroom." This presentation is ideal for Early Childhood Teachers and Social Workers.
The passage discusses how insects are becoming more common as a food source due to their environmental and nutritional benefits. Farming insects requires far fewer resources than livestock and can help address concerns over sustainability and rising global population. While the insect farming industry is growing, incorporating insects into diets is still a challenge for some due to cultural aversions. Experts believe that as insect-based foods become more widely available and people experience the taste, they will become more accepted over time, similar to once unfamiliar foods like sushi.
Here are expanded responses for the topics:
T-shirts:
Yes, I like wearing t-shirts. T-shirts are comfortable and casual to wear. I have a large collection of t-shirts in different styles and colors. In the summer, I enjoy wearing t-shirts most days because they keep me cool in the hot weather. I often wear t-shirts when exercising or lounging around at home as well. Some of my favorite t-shirts have designs or logos from my favorite movies or bands.
Keys:
No, I don't think it's a good idea to leave your house keys with a neighbor. There are several reasons for this. Firstly, it's a security risk if
UTA New Teacher Webinar “Brain-Based Learning: Focus on Exceptionalities”, September 20, 2014 w/ Dr. Denise Collins, Dr. Amber Brown, and Dr. Peggy Semingson
The University of Texas of Arlington presents the Fall, 2014 New Teacher Webinar Series as part of our Teacher Induction Project. The purpose of the Teacher Induction Project is to build "digital community" for current students and alumni of the department as well as new teachers beyond UT Arlington in the global community.
Link to the recording: https://elearn.uta.edu/webapps/bb-collaborate-bb_bb60/recording/launchGuest?uid=a773d149-8967-4d27-8a4a-f5c27513c011\
Link to YouTube recording (Mp4): http://youtu.be/85drmbm4IBs
Recordings available in archives
YouTube Channel (UTA New Teachers) https://www.youtube.com/user/UTANewTeachers
slideshare (UTA New Teachers): http://www.slideshare.net/utanewteachers
Pinterest: http://www.pinterest.com/UTANewTeachers/
Master’s degree at UT Arlington in Mind, Brain and Education: http://www.uta.edu/coehp/gradadvising/programs/curricandinstruct/mind-brain-and-education.php
Email: schwarma@uta.edu Dr. Marc Schwartz
General Links Mentioned in the Webinar:
Books:
The Whole Brain Child by Daniel J. Siegel and parenting expert Tina Payne Bryson
The Autistic Brain by Temple Grandin
Link to video: •Mindfulness and Neural Integration: Daniel Siegel, MD
http://www.youtube.com/watch?v=LiyaSr5aeho
Other resources:
http://www.brainbasedlearning.net
http://www.brainbasedlearning.net
Here are potential responses to the questions:
1. A 'spiritual connection' is a deep understanding and sense of belonging in a place. No personal gain comes from using or being in the environment.
2. To be a 'slave to time' means being controlled by schedules, deadlines, and the need to be constantly productive. It means prioritizing efficiency over other values.
3. I think I can be a slave to time/technology when I am constantly checking my phone for notifications, social media, or games even when I am with others. I also feel rushed when I have back-to-back commitments with little buffer time.
4. Being a slave to time could make it harder to
BellWork, Inside Outside Circle, Formative AssessmentAndrea B.
The document provides ideas for warm-up activities teachers can use for the first 5 minutes of class each day, including journaling, word games, or reviewing previous lessons. It also includes sample discussion questions for reviewing science concepts around levels of
This document provides guidance on managing a strong-willed child's behavior using positive reinforcement techniques. It discusses using specific praise and preferential reinforcers to teach new behaviors. Problem behaviors are best reduced by strengthening desirable behaviors, not weakening undesirable ones. The key is finding an acceptable replacement behavior that serves the same functional purpose for the child. A road map activity can help children understand and choose behaviors that "work" versus those that don't.
This document summarizes a 2-day boot camp for educators on transforming education through blogging. Day 1 focused on introducing blogging and its benefits, exploring various literacies needed in today's world, and setting goals and expectations for blogging. Day 2 covered self-determined learning, assessment through documenting the learning process, and using tools like thinking routines to document and reflect on learning. The boot camp aimed to help educators learn skills to support students and shift their thinking about teaching and learning through blogging.
This document provides guidance for a Year 13 internal assessment on a socio-scientific issue. Students must integrate biological knowledge to present a slideshow and podcast discussing their response to a contemporary issue. They must present a personal position and proposed actions, justifying their response by analyzing and evaluating relevant biological knowledge. Students will work independently over 4 weeks to complete the assessment, handing in research notes and references.
This document provides guidance for a Year 13 internal assessment on a socio-scientific issue. Students must integrate biological knowledge to present a Google Slide or PowerPoint presentation and podcast discussing their response to a contemporary issue. They must present a personal position and proposed actions, justifying their response by analyzing and evaluating relevant biological knowledge. Students will work independently over 4 weeks to complete the assessment, handing in research notes and references.
This document outlines the agenda and learning objectives for four sessions on creative play activities. The sessions cover topics like defining creative play, messy play, imaginative play, and music/dance. Learning activities include painting to music, discussing play experiences, planning role play areas, and making musical instruments. The document emphasizes that creative play supports children's development in many areas and encourages setting up environments where children can explore their imagination freely.
This document provides a template for planning a project-based learning unit. It includes sections for drafting an essential question, describing the common intellectual mission for all students, making real-world connections, and allowing for personalization and support for different types of students. Tips are provided such as using benchmarks to track progress, avoiding group grades, assessing learning rather than just responsibility, and keeping parents informed of student progress. Example essential questions are also given to provoke inquiry on topics like maritime discoveries, environmental protection, poverty issues, ancient civilizations, election campaigns, green building design, war, and cross-border differences.
SJSD New Teacher Orientation Day 2 2012Terri Sallee
This document provides an agenda and presentation for a new teacher orientation. It includes discussions around introductions, classroom procedures, invitational vs. disinvitational language, and instructional strategies. Teachers share procedures and discuss establishing routines in their classrooms. The presentation emphasizes building positive relationships with students and intentionally creating an inviting learning environment.
This document provides tips and suggestions for teaching large lecture courses effectively. It discusses engaging students by setting clear expectations and goals, using interactive teaching methods like think-pair-share activities, relating course content to students' lives through current events and popular culture, incorporating various learning styles, and assessing student learning through a variety of assignment types. The overall message is that active engagement enhances learning more than passive lectures.
High quality early childhood programs should provide children with access to various learning centers throughout the day to support their development across multiple domains. Key centers that should be available include books, art, music, gross motor, fine motor, dramatic play, math, science, blocks, and sand/water play. Teachers play an important role in observing children's play and interactions in the centers to best support their learning and development. Programs are evaluated using rating scales to assess the quality of learning opportunities and teacher-child interactions provided.
Similar to My Web Quest on Living and Non-Living Things (20)
The cost of acquiring information by natural selectionCarl Bergstrom
This is a short talk that I gave at the Banff International Research Station workshop on Modeling and Theory in Population Biology. The idea is to try to understand how the burden of natural selection relates to the amount of information that selection puts into the genome.
It's based on the first part of this research paper:
The cost of information acquisition by natural selection
Ryan Seamus McGee, Olivia Kosterlitz, Artem Kaznatcheev, Benjamin Kerr, Carl T. Bergstrom
bioRxiv 2022.07.02.498577; doi: https://doi.org/10.1101/2022.07.02.498577
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...Sérgio Sacani
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
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the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
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the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
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s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
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ESR spectroscopy in liquid food and beverages.pptxPRIYANKA PATEL
With increasing population, people need to rely on packaged food stuffs. Packaging of food materials requires the preservation of food. There are various methods for the treatment of food to preserve them and irradiation treatment of food is one of them. It is the most common and the most harmless method for the food preservation as it does not alter the necessary micronutrients of food materials. Although irradiated food doesn’t cause any harm to the human health but still the quality assessment of food is required to provide consumers with necessary information about the food. ESR spectroscopy is the most sophisticated way to investigate the quality of the food and the free radicals induced during the processing of the food. ESR spin trapping technique is useful for the detection of highly unstable radicals in the food. The antioxidant capability of liquid food and beverages in mainly performed by spin trapping technique.
PPT on Direct Seeded Rice presented at the three-day 'Training and Validation Workshop on Modules of Climate Smart Agriculture (CSA) Technologies in South Asia' workshop on April 22, 2024.
Current Ms word generated power point presentation covers major details about the micronuclei test. It's significance and assays to conduct it. It is used to detect the micronuclei formation inside the cells of nearly every multicellular organism. It's formation takes place during chromosomal sepration at metaphase.
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Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...University of Maribor
Slides from talk:
Aleš Zamuda: Remote Sensing and Computational, Evolutionary, Supercomputing, and Intelligent Systems.
11th International Conference on Electrical, Electronics and Computer Engineering (IcETRAN), Niš, 3-6 June 2024
Inter-Society Networking Panel GRSS/MTT-S/CIS Panel Session: Promoting Connection and Cooperation
https://www.etran.rs/2024/en/home-english/
hematic appreciation test is a psychological assessment tool used to measure an individual's appreciation and understanding of specific themes or topics. This test helps to evaluate an individual's ability to connect different ideas and concepts within a given theme, as well as their overall comprehension and interpretation skills. The results of the test can provide valuable insights into an individual's cognitive abilities, creativity, and critical thinking skills
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The pygmy halfbeak Dermogenys colletei, is known for its viviparous nature, this presents an intriguing case of relatively low fecundity, raising questions about potential compensatory reproductive strategies employed by this species. Our study delves into the examination of fecundity and the Gonadosomatic Index (GSI) in the Pygmy Halfbeak, D. colletei (Meisner, 2001), an intriguing viviparous fish indigenous to Sarawak, Borneo. We hypothesize that the Pygmy halfbeak, D. colletei, may exhibit unique reproductive adaptations to offset its low fecundity, thus enhancing its survival and fitness. To address this, we conducted a comprehensive study utilizing 28 mature female specimens of D. colletei, carefully measuring fecundity and GSI to shed light on the reproductive adaptations of this species. Our findings reveal that D. colletei indeed exhibits low fecundity, with a mean of 16.76 ± 2.01, and a mean GSI of 12.83 ± 1.27, providing crucial insights into the reproductive mechanisms at play in this species. These results underscore the existence of unique reproductive strategies in D. colletei, enabling its adaptation and persistence in Borneo's diverse aquatic ecosystems, and call for further ecological research to elucidate these mechanisms. This study lends to a better understanding of viviparous fish in Borneo and contributes to the broader field of aquatic ecology, enhancing our knowledge of species adaptations to unique ecological challenges.
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Speaker: Diego Blas (IFAE/ICREA)
Title: Gravitational wave detection with orbital motion of Moon and artificial
Abstract:
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Describing and Interpreting an Immersive Learning Case with the Immersion Cub...Leonel Morgado
Current descriptions of immersive learning cases are often difficult or impossible to compare. This is due to a myriad of different options on what details to include, which aspects are relevant, and on the descriptive approaches employed. Also, these aspects often combine very specific details with more general guidelines or indicate intents and rationales without clarifying their implementation. In this paper we provide a method to describe immersive learning cases that is structured to enable comparisons, yet flexible enough to allow researchers and practitioners to decide which aspects to include. This method leverages a taxonomy that classifies educational aspects at three levels (uses, practices, and strategies) and then utilizes two frameworks, the Immersive Learning Brain and the Immersion Cube, to enable a structured description and interpretation of immersive learning cases. The method is then demonstrated on a published immersive learning case on training for wind turbine maintenance using virtual reality. Applying the method results in a structured artifact, the Immersive Learning Case Sheet, that tags the case with its proximal uses, practices, and strategies, and refines the free text case description to ensure that matching details are included. This contribution is thus a case description method in support of future comparative research of immersive learning cases. We then discuss how the resulting description and interpretation can be leveraged to change immersion learning cases, by enriching them (considering low-effort changes or additions) or innovating (exploring more challenging avenues of transformation). The method holds significant promise to support better-grounded research in immersive learning.
2. Introduction
Task
Process
Evaluation
Conclusion
Credits
Teacher Page
Introduction
• Imagine that you have been contacted by a group
of scientists asking for your help. They are
exploring a recently discovered beach, and their
job is to classify things that they find on the
beach as living or non-living. But they don't know
how to tell the difference! Will you help them?
First, you must learn the differences between
living and non-living things. Once you have
become an expert, your mission is to create an
original picture of what you would observe on the
beach.
3. Introduction
Task
Process
Evaluation
Conclusion
Credits
Teacher Page
Task
• At the end of this lesson, you will be asked to
create an original picture of things that you would
observe on the beach. In this picture you will
need to include both living and non-living things,
and label each as thing as either living or non-
living. The group of scientists will use your picture
to help them classify the things that they find
while exploring.
4. Introduction
Task
Process
Evaluation
Conclusion
Credits
Teacher Page
Process
• What are the characteristics of living things?
Cookie Monster- Is it Alive?
Living and Non-Living Song
What can living things do?
• What do you think is the most important
difference between living and nonliving things?
Difference Between Living and Non-Living Things
• Synthesis: Visit the website below to watch a
presentation about living and non-living things.
Living Things Presentation
6. Introduction
Task
Process
Evaluation
Conclusion
Credits
Teacher Page
Conclusion
• Congratulations! You did it! You have become an
expert on the characteristics of living things, and you
have learned how to categorize things as living or non-
living. Now the scientists will be able to classify things
that they find while exploring the beach as living or
non-living. Way to go!
• If you would like to learn more about living and non-
living things, explore the following websites:
Difference between living and non-living things
Classification of living and non-living thing
s
8. Introduction
Task
Process
Evaluation
Conclusion
Credits
Teacher Page
Teacher Page
• This Web Quest can be used during a science unit
to introduce students to the characteristics of
living things. It can also be used to teach students
to differentiate between things as living or non-
living.
• Click here to give feedback to the author