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Energy can exist in many forms including kinetic, potential, mechanical, thermal, chemical, electrical, sound, light, and nuclear. Energy is the ability to do work and can be quantified in joules. It can be transferred from one object or system to another, or converted from one form to another. Common examples of energy conversions include food being broken down into chemical and thermal energy during digestion, light energy being converted to chemical energy during photosynthesis, and electrical energy being transformed into light and sound energy by devices like alarm clocks.
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Propiedades energia
This document discusses different forms of energy. It defines energy as the ability of a system to do work. It then outlines various properties of energy, such as it cannot be created or destroyed, but can be transformed, transferred, stored, and transported. The document also categorizes different forms of energy, including chemical, electrical, thermal, electromagnetic, mechanical, nuclear, and others. It discusses renewable energy resources like biomass, hydro, solar, wind, tidal, and geothermal. It also examines non-renewable resources like coal, petroleum, natural gas, and uranium, outlining their advantages, disadvantages, and uses.
02-08-08 - Potential Energy
1. Potential energy is energy stored in an object due to its position or state. It is considered energy at rest.
2. Gravitational potential energy depends on an object's mass and height, and can be calculated as GPE = mgh, where m is mass, g is acceleration due to gravity, and h is height.
3. Chemical potential energy is energy stored in chemical bonds. The law of conservation of energy states that energy cannot be created or destroyed, only changed from one form to another.
02-06-08 - Energy-Kinetic Energy
Work is defined as applying a force over a distance. Power is a measure of how fast work is done and is measured in watts. There are different types of energy including kinetic, heat, chemical, electromagnetic, nuclear, and potential. Kinetic energy is the energy of motion and depends on an object's mass and speed, with more mass and higher speeds resulting in greater kinetic energy. The work-energy theorem states that the net work done on an object is equal to the change in its kinetic energy.
Energy
1. The document discusses different forms of energy including heat, chemical, electromagnetic, nuclear, and mechanical energy. Heat is the internal motion of atoms. Chemical energy is required to bond atoms and is stored in fuel and food.
2. Electromagnetic energy is carried by power lines, light, x-rays, radio waves, and lasers. Nuclear energy comes from the nucleus splitting or fusing atoms. The sun's energy comes from nuclear fusion.
3. Energy can be converted from one form to another through various processes like plants converting sunlight to chemical energy. Energy exists in two states - potential stored energy and kinetic energy of motion. The law of conservation of energy states that energy cannot be created or destroyed.
Energy
- Energy cannot be created or destroyed, but can be changed from one form to another through energy conversions. There are nine main types of energy including kinetic, potential, mechanical, thermal, chemical, electrical, sound, light, and nuclear energy.
- Energy conversions allow useful energy to be extracted and support daily life through machines, though some energy is lost as thermal energy during conversions. Common conversions include light to chemical energy through photosynthesis and chemical to kinetic energy through cellular respiration.
Physics
This document defines and describes different types of energy, including kinetic energy, potential energy, heat, electrical, chemical, light, and nuclear energy. Kinetic energy is the energy of a moving object defined by the equation KE=1/2mv2, where m is mass and v is velocity. Potential energy is energy stored in an object due to its position or state that can be released, including gravitational and elastic potential energy. The document also provides brief explanations of heat, electrical, chemical, light, and nuclear energy.
Energy forms and_changes
Energy exists in many forms and can be transferred and transformed from one form to another. The main forms of energy are mechanical, heat, chemical, electromagnetic, and nuclear. Energy can be kinetic, which is energy of motion, or potential, which is stored energy like gravitational potential energy from height or elastic potential energy from compression. Energy is neither created nor destroyed but can change forms through conversions like chemical to heat to mechanical. The law of conservation of energy states that the total amount of energy in an isolated system remains constant.
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Energy exists in many forms and can be transferred and transformed between them. The five main forms of energy are heat, chemical, electromagnetic, nuclear, and mechanical. Energy can exist in two states - potential energy which is stored, and kinetic energy which is the energy of motion. Energy cannot be created or destroyed, only transferred or transformed from one form to another, as stated by the Law of Conservation of Energy.
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This document discusses different forms of energy. It defines energy as the ability of a system to do work. It then outlines various properties of energy, such as it cannot be created or destroyed, but can be transformed, transferred, stored, and transported. The document also categorizes different forms of energy, including chemical, electrical, thermal, electromagnetic, mechanical, nuclear, and others. It discusses renewable energy resources like biomass, hydro, solar, wind, tidal, and geothermal. It also examines non-renewable resources like coal, petroleum, natural gas, and uranium, outlining their advantages, disadvantages, and uses.
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1. Potential energy is energy stored in an object due to its position or state. It is considered energy at rest.
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3. Chemical potential energy is energy stored in chemical bonds. The law of conservation of energy states that energy cannot be created or destroyed, only changed from one form to another.
02-06-08 - Energy-Kinetic Energy
Work is defined as applying a force over a distance. Power is a measure of how fast work is done and is measured in watts. There are different types of energy including kinetic, heat, chemical, electromagnetic, nuclear, and potential. Kinetic energy is the energy of motion and depends on an object's mass and speed, with more mass and higher speeds resulting in greater kinetic energy. The work-energy theorem states that the net work done on an object is equal to the change in its kinetic energy.
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1. The document discusses different forms of energy including heat, chemical, electromagnetic, nuclear, and mechanical energy. Heat is the internal motion of atoms. Chemical energy is required to bond atoms and is stored in fuel and food.
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3. Energy can be converted from one form to another through various processes like plants converting sunlight to chemical energy. Energy exists in two states - potential stored energy and kinetic energy of motion. The law of conservation of energy states that energy cannot be created or destroyed.
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- Energy cannot be created or destroyed, but can be changed from one form to another through energy conversions. There are nine main types of energy including kinetic, potential, mechanical, thermal, chemical, electrical, sound, light, and nuclear energy.
- Energy conversions allow useful energy to be extracted and support daily life through machines, though some energy is lost as thermal energy during conversions. Common conversions include light to chemical energy through photosynthesis and chemical to kinetic energy through cellular respiration.
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This document defines and describes different types of energy, including kinetic energy, potential energy, heat, electrical, chemical, light, and nuclear energy. Kinetic energy is the energy of a moving object defined by the equation KE=1/2mv2, where m is mass and v is velocity. Potential energy is energy stored in an object due to its position or state that can be released, including gravitational and elastic potential energy. The document also provides brief explanations of heat, electrical, chemical, light, and nuclear energy.
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Energy exists in many forms and can be transferred and transformed from one form to another. The main forms of energy are mechanical, heat, chemical, electromagnetic, and nuclear. Energy can be kinetic, which is energy of motion, or potential, which is stored energy like gravitational potential energy from height or elastic potential energy from compression. Energy is neither created nor destroyed but can change forms through conversions like chemical to heat to mechanical. The law of conservation of energy states that the total amount of energy in an isolated system remains constant.
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Energy exists in many forms and can be transferred and transformed between them. The five main forms of energy are heat, chemical, electromagnetic, nuclear, and mechanical. Energy can exist in two states - potential energy which is stored, and kinetic energy which is the energy of motion. Energy cannot be created or destroyed, only transferred or transformed from one form to another, as stated by the Law of Conservation of Energy.
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This document provides notes on the key concepts of energy:
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Thermal energy is energy from heat. Electrical energy is a flow of electrons. Chemical energy is stored in chemical bonds like in food and gasoline. Radiant energy comes from the sun. Kinetic energy depends on an object's mass and speed and is measured in Joules. Potential energy includes elastic potential from stretching/compressing, chemical potential from chemical bonds, and gravitational potential from height. Mechanical energy is the total kinetic and potential energy in a system. Energy can change forms but is conserved according to the law of conservation of energy.
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Energy is a property of objects that can be transferred or converted into different forms. There are two main types of energy: potential energy, which is the stored energy of position, and kinetic energy, which is the energy of motion. Mechanical energy is the sum of potential and kinetic energy and represents the energy from an object's motion and position. Energy can be transformed from one form to another, such as mechanical energy transforming to other forms like thermal, radiant, or electrical energy, which then become useful sources of energy for applications.
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science powerpoint of the forms of energy,for students in years 8-9, it has inforemation of all the eneryg required in todays life, good for tests and projects!
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Energy is the ability to do work, such as transferring energy from one object to another. Energy exists in all matter and takes various forms including heat, light, motion, electrical, chemical, nuclear, and gravitational. The main types of energy are kinetic energy from movement, potential energy from position or stored energy, and radiant energy in the form of light. Energy is all around us and powers all human activities from athletics to cooking to space travel.
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There are many forms of energy that can be transformed from one to another. The total energy of a system remains constant, according to the law of conservation of energy. Common energy transformations include kinetic to potential energy, as in a swinging pendulum or waterfall, chemical to mechanical energy, as in fuel combustion or metabolism, and electrical to thermal energy, as when a toaster or space heater operates. Transformations can involve single changes, like chemical to light energy in glow sticks, or multiple steps, like the series of changes that occur in a car engine. Understanding energy transformations is key to explaining many natural and technological processes.
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This document defines and provides examples of different types of energy, including kinetic energy, potential energy, and mechanical energy. It explains that kinetic energy is the energy of motion, depending on an object's mass and speed, while potential energy is stored energy due to an object's position. Examples are given of how energy is transferred and transformed, such as between kinetic and potential energy when a ball is thrown into the air. The key point is that total energy is conserved as it transforms between different types but is never created or destroyed according to the law of conservation of energy.
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Energy is the ability to cause change or make things move. There are seven main types of energy: chemical, light, heat, nuclear, mechanical, sound, and electrical. Kinetic energy is the energy of motion and depends on an object's mass and speed. The greater the mass or speed, the more kinetic energy an object possesses. Kinetic energy can be transferred between objects when they collide, such as when a rolling bowling ball knocks down pins through transferring its kinetic energy.
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2. Electromagnetic energy is carried by power lines, light, x-rays, radio waves and lasers. Nuclear energy comes from the nucleus splitting or fusing atoms. The sun's energy comes from nuclear fusion.
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This document provides information about energy, including:
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This document provides notes on the key concepts of energy:
1. Energy is defined as the ability to do work or cause change.
2. Energy transformation is the change of energy from one form to another.
3. The Law of Conservation of Energy states that energy cannot be created or destroyed, only changed from one form to another.
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This document defines and describes different types of energy. It begins by explaining that energy allows for work and movement in both human and mechanical systems. It then defines potential and kinetic energy. Several common forms of energy are also outlined, including mechanical, solar, light, heat, electrical, sound, chemical, and nuclear energy. Examples are provided to illustrate each type. The document concludes by discussing energy transformations and the law of conservation of energy.
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Thermal energy is energy from heat. Electrical energy is a flow of electrons. Chemical energy is stored in chemical bonds like in food and gasoline. Radiant energy comes from the sun. Kinetic energy depends on an object's mass and speed and is measured in Joules. Potential energy includes elastic potential from stretching/compressing, chemical potential from chemical bonds, and gravitational potential from height. Mechanical energy is the total kinetic and potential energy in a system. Energy can change forms but is conserved according to the law of conservation of energy.
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The document discusses different forms of energy including kinetic energy from moving objects, potential energy that is stored or depends on position, mechanical energy from motion and position, thermal energy from particle movement, chemical energy stored in bonds, electrical energy from charges, electromagnetic energy that travels in waves, and nuclear energy stored in atomic nuclei through fission and fusion. Energy is the ability to do work and is transferred when work is done on an object.
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Energy is the ability to do work. It exists in two basic states: kinetic energy and potential energy. Kinetic energy is the energy of motion and depends on an object's mass and speed, while potential energy is stored energy that depends on an object's position or composition. Energy can also exist in various forms including thermal, chemical, nuclear, mechanical, sound, light, electric, and others. Energy is constantly changing forms through transformations but can neither be created nor destroyed according to the law of conservation of energy. Non-renewable resources like fossil fuels are being used faster than the Earth can produce them, while renewable resources like solar and wind are replenished naturally.
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science powerpoint of the forms of energy,for students in years 8-9, it has inforemation of all the eneryg required in todays life, good for tests and projects!
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The document discusses different forms of energy including kinetic energy, potential energy, and various types of potential energy such as elastic, chemical, and gravitational potential energy. It provides definitions and equations for calculating kinetic energy as KE=1/2mv^2 and gravitational potential energy as GPE=mgh. The chapter 4 test on energy will be the following Friday and homework on reinforcement section 1 is due.
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Energy is the ability to do work, such as transferring energy from one object to another. Energy exists in all matter and takes various forms including heat, light, motion, electrical, chemical, nuclear, and gravitational. The main types of energy are kinetic energy from movement, potential energy from position or stored energy, and radiant energy in the form of light. Energy is all around us and powers all human activities from athletics to cooking to space travel.
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The document discusses the different forms of energy including heat, chemical, electromagnetic, nuclear, mechanical, kinetic, and potential energy. It explains that energy can be converted from one form to another but cannot be created or destroyed, as stated by the Law of Conservation of Energy. Energy is defined as the ability to do work or cause change and can take many forms such as light, motion, sound, temperature, and stored energy.
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Energy is the ability to cause change or make things move. There are seven main types of energy: chemical, light, heat, nuclear, mechanical, sound, and electrical. Kinetic energy is the energy of motion and depends on an object's mass and speed. The greater the mass or speed, the more kinetic energy an object possesses. Kinetic energy can be transferred between objects when they collide, such as when a rolling bowling ball knocks down pins through transferring its kinetic energy.
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This document discusses the nature and forms of energy. It defines energy as the ability to do work and explains that there are five main forms of energy: heat, chemical, electromagnetic, nuclear, and mechanical. It describes each form of energy and provides examples. The document also discusses how energy can be converted from one form to another through various processes and how objects can have either kinetic or potential energy. It introduces the law of conservation of energy, which states that energy cannot be created or destroyed, only changed from one form to another.
Sect 17.1
Energy is the ability to cause change and can take many forms. Kinetic energy is the energy of motion and depends on an object's mass and speed. Potential energy is stored energy due to an object's position or height. Chemical energy is stored in chemical bonds and is released when bonds are broken or formed.
Energy
The document discusses different forms of energy including mechanical, heat, chemical, electromagnetic, and nuclear energy. It explains kinetic energy as the energy of motion and potential energy as stored energy. Examples are given of energy conversions between different forms, such as chemical energy being converted to heat and mechanical energy in car engines. The law of conservation of energy is introduced, which states that energy cannot be created or destroyed, only changed from one form to another.
Rachaelsyney
The document discusses different types of energy including potential energy, kinetic energy, and various forms of each. It defines energy and explains that there are two main categories: potential and kinetic. Potential energy sources include chemical, mechanical, nuclear, and electrical, while kinetic includes radiant, thermal, and motion. The document also covers renewable vs. nonrenewable energy sources and gives examples of energy transformation.
Energy
The main forms of energy are chemical, electrical, thermal, light, mechanical, and nuclear. Mechanical energy can be kinetic, from movement, or potential, from height or stored energy. Chemical energy is stored in substances like batteries and food, electrical energy is in the form of electricity, thermal energy is heat, light energy is light, and nuclear energy is stored in atomic structures. Common energy transformations include fuel being converted to movement and heat in vehicles, electrical energy powering movement and heat, and solar panels converting sunlight to electricity. Calories measure the chemical energy in food, while renewable energies include hydroelectric, wind, solar, and biofuels and non-renewables are petroleum, coal, uranium, and natural
More abt energy...
This document discusses various forms of energy including mechanical energy (kinetic and potential), heat energy, light energy, chemical energy, sound energy, magnetic energy, electrical energy, atomic energy, and how energy can be converted from one form to another. It provides examples of how electrical energy is converted to light and heat energy in light bulbs and to sound energy in loudspeakers. It also notes that the sun is the ultimate source of energy and discusses how it provides heat and light energy leading to photosynthesis and the water cycle.
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Classification prt1
This document discusses biological classification and taxonomy. It begins by explaining why biologists classify organisms and provides a brief history of classification from Aristotle to Linnaeus establishing the modern 7-level system. The 7 levels are kingdom, phylum, class, order, family, genus, and species. An example classification of a housecat is given from kingdom to species. Scientific names are introduced as the standardized naming system. The document concludes by mentioning dichotomous keys which help identify organisms based on distinguishing characteristics.
How does evolution happen
Charles Darwin developed the theory of evolution by natural selection after observing variations in finch beaks on the Galapagos Islands. He proposed that organisms vary individually, and traits better suited to the local environment help organisms survive and reproduce more successfully. Over generations, this leads to evolution of species as adaptations arise in response to environmental pressures like availability of food sources. Darwin's theory explained how evolution can occur through natural selection acting on inherited variation between organisms in every generation.
The evolution of living things
This document discusses evidence for evolution and adaptation. It describes how adaptations like a giraffe's long neck helped it survive. Fossils provide evidence that species change over time as the needs of populations change. Comparing anatomical structures and DNA between living things like whales and camels shows they share common ancestors from millions of years ago. The fossil record and similarities between organisms support the theory that all life on Earth descended from common ancestors through gradual change over generations.
What does dna look like
DNA contains the genetic code for building and maintaining organisms. It is made up of nucleotides that pair together in a double helix structure. Rosalind Franklin discovered through X-ray diffraction that DNA has a spiral shape, which Watson and Crick used to build a double helix model showing that DNA is made of two strands of alternating sugar-phosphate units connected by complementary nucleotide base pairs. DNA replicates through splitting and using each strand as a template to form two new double helices.
How dna works
DNA contains the genetic instructions used in the development and functioning of all known living organisms. DNA is found within the cells of organisms and takes on different structures like being wound around proteins in the nucleus or forming loose loops in cells lacking a nucleus. A gene is a string of DNA nucleotides that provides instructions to the cell, and changes to genes through mutations in the DNA sequence can result in new traits or cause harm.
The cell cycle
The document summarizes the cell cycle and cell division in eukaryotic cells. It discusses that (1) the cell cycle involves copying DNA and organelles before the cell divides, (2) mitosis is the process where the cell separates its chromosomes and splits into two identical daughter cells, and (3) the stages of mitosis are interphase, prophase, metaphase, anaphase, telophase, and cytokinesis where the cell membrane pinches the cell into two daughter cells each with their own nucleus.
Cell energy
Cells get energy from food through cellular respiration or fermentation. Photosynthesis captures energy from sunlight and converts carbon dioxide and water into oxygen and glucose, which plants use for energy and animals obtain by eating plants. Cellular respiration breaks down glucose to release energy, using oxygen and producing carbon dioxide. When oxygen is scarce, cells use fermentation to break down glucose without oxygen.
Cell organelles
This document summarizes the key components of plant and animal cells. It describes the cell membrane as the outer boundary that protects the cell and controls what enters and leaves. It notes that plant cells also contain a cell wall made of cellulose that provides protection and support. The nucleus controls most cell activities and contains DNA. The cytoplasm and organelles like the endoplasmic reticulum, Golgi complex, mitochondria, vacuoles, lysosomes, and chloroplasts carry out specialized functions like protein production, packaging and transport of materials, energy production, storage, and waste digestion.
History of cells
Robert Hooke was the first to describe cells in 1655 after observing cork through a microscope. He described them as "little boxes" or "little rooms". Rudolf Virchow and Matthias Schleidan/Theodor Swann collaborated to establish the Cell Theory, which states that (1) all organisms are made of one or more cells (2) cells are the basic unit of living things and (3) cells only come from preexisting cells. Cells remain small because surface area to volume ratios limit their growth to efficiently exchange materials.
Char of lv things & necess of life
This document discusses the characteristics of living things and the necessities of life. It outlines 6 key characteristics that define living things: 1) cells, 2) sensing and responding to stimuli, 3) reproduction, 4) DNA, 5) using energy, and 6) growth and development. It also identifies 4 necessities required for life: water, air, food, and shelter. The document then provides further details on homeostasis, types of reproduction, DNA's role in heredity and cell function, and the 5 basic building blocks of cells: proteins, carbohydrates, lipids, ATP, and nucleic acids.
Scientific method & variables
The document discusses the scientific method, which is a process used to answer questions about the world through experiments and observations. It involves identifying a problem, developing a hypothesis, designing and conducting an experiment, collecting and analyzing data, and drawing conclusions. Key parts of the scientific method include formulating hypotheses, identifying independent, dependent, and controlled variables, developing procedures, and organizing and presenting results. The document provides examples of experiments and identifies the variables involved.
Measurements and metrics notes 10 11
The document discusses measurements and metrics. It provides background on ancient measurement systems based on body parts and food grains. It then introduces the modern Metric System devised in the late 18th century to have a single, unified, decimal-based system used worldwide. Key advantages of the metric system are its use of powers of 10 for easy conversions, standardized prefixes, and widespread international use compared to other systems like English units.
Electricity (1)
Electricity is the movement of electric charge. Electric charge can be positive or negative, and like charges repel while opposite charges attract. The amount of charge and distance between charges determine the electric force. An electric field exists around charged objects, and objects become charged through friction, conduction, or induction. Electricity can be used to power circuits, where current is the flow of electric charge. Circuits have an energy source, wires to conduct current, and a load to use the energy. Circuits can be connected in series or parallel configurations.
Speed, time, distance
This document defines key concepts related to motion, including speed, velocity, acceleration, force, friction, gravity, and mass. It explains that speed is distance divided by time, velocity includes both speed and direction, and acceleration is the rate of change of velocity. Forces such as gravity and friction can cause objects to accelerate if the net force is unbalanced. The document also provides formulas for calculating speed, distance, and time and notes the units used to measure and relate these physical quantities.
Force, mass, acceleration
This document discusses key concepts and discoveries in gravity and motion. It explains that Galileo showed that the rate at which objects fall is independent of their mass, as the force of gravity and inertia balance out such that acceleration due to gravity is the same for all objects. It then discusses concepts such as air resistance, terminal velocity, free fall, orbits, projectile motion, inertia, and Newton's three laws of motion, including how force equals mass times acceleration according to the second law.
Heat
Temperature is a measure of the average kinetic energy of particles in an object, with higher temperatures indicating faster particle movement. Thermal expansion occurs as temperature increases, as faster particles spread out and increase the object's size. Heat is the transfer of thermal energy between objects due to differences in temperature, occurring primarily through conduction, convection, or radiation. Conductors readily transfer heat through direct contact, while insulators inhibit heat transfer.
Chemical reactions
This document discusses key concepts in chemical reactions and equations. It defines different types of chemical reactions like single displacement, synthesis, and decomposition reactions. It also explains important laws like the law of conservation of energy and mass. It defines exothermic and endothermic reactions as well as concepts like activation energy, catalysts, and inhibitors. Finally, it provides steps for balancing chemical equations.
Mixtures, solutions, elements, compounds
This document defines and provides examples of mixtures, solutions, suspensions, colloids, and gas mixtures. It explains that mixtures can be separated physically but their compositions are not fixed, while solutions appear homogeneous but are mixtures that dissolve. Suspensions and colloids are mixtures where particles settle or scatter light differently. The document also defines elements as pure substances that cannot be broken down, and compounds as pure substances formed by chemical combination of elements in specific ratios producing new properties.
States of matter
This document discusses the different states of matter - solids, liquids, gases, and plasma. It explains that in solids, particles are close together and vibrate in place. In liquids, particles can slide past each other but the substance takes the shape of its container. Gases have particles that are far apart and expand to fill their container. Changes between these states require the addition or removal of energy. The document provides examples like melting, freezing, evaporation, and condensation to illustrate changes between solid, liquid, and gas states.
Chap 2 chem & phy properties
Physical properties can be observed and measured without changing a substance's identity, and are used to identify substances. Examples of physical properties include boiling point, freezing point, melting point, conductivity, flexibility, color, and odor. Physical changes alter a substance's form but not its chemical properties, such as boiling, freezing, melting, bending, and dissolving. Chemical properties describe a substance's ability to undergo chemical reactions, like flammability and reactivity. Chemical changes produce new substances with different properties.
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The use of Nauplii and metanauplii artemia in aquaculture (brine shrimp).pptx
Although Artemia has been known to man for centuries, its use as a food for the culture of larval organisms apparently began only in the 1930s, when several investigators found that it made an excellent food for newly hatched fish larvae (Litvinenko et al., 2023). As aquaculture developed in the 1960s and ‘70s, the use of Artemia also became more widespread, due both to its convenience and to its nutritional value for larval organisms (Arenas-Pardo et al., 2024). The fact that Artemia dormant cysts can be stored for long periods in cans, and then used as an off-the-shelf food requiring only 24 h of incubation makes them the most convenient, least labor-intensive, live food available for aquaculture (Sorgeloos & Roubach, 2021). The nutritional value of Artemia, especially for marine organisms, is not constant, but varies both geographically and temporally. During the last decade, however, both the causes of Artemia nutritional variability and methods to improve poorquality Artemia have been identified (Loufi et al., 2024).
Brine shrimp (Artemia spp.) are used in marine aquaculture worldwide. Annually, more than 2,000 metric tons of dry cysts are used for cultivation of fish, crustacean, and shellfish larva. Brine shrimp are important to aquaculture because newly hatched brine shrimp nauplii (larvae) provide a food source for many fish fry (Mozanzadeh et al., 2021). Culture and harvesting of brine shrimp eggs represents another aspect of the aquaculture industry. Nauplii and metanauplii of Artemia, commonly known as brine shrimp, play a crucial role in aquaculture due to their nutritional value and suitability as live feed for many aquatic species, particularly in larval stages (Sorgeloos & Roubach, 2021).
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...
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.
Deep Software Variability and Frictionless Reproducibility
Deep Software Variability and Frictionless ReproducibilityUniversity of Rennes, INSA Rennes, Inria/IRISA, CNRS
The ability to recreate computational results with minimal effort and actionable metrics provides a solid foundation for scientific research and software development. When people can replicate an analysis at the touch of a button using open-source software, open data, and methods to assess and compare proposals, it significantly eases verification of results, engagement with a diverse range of contributors, and progress. However, we have yet to fully achieve this; there are still many sociotechnical frictions.
Inspired by David Donoho's vision, this talk aims to revisit the three crucial pillars of frictionless reproducibility (data sharing, code sharing, and competitive challenges) with the perspective of deep software variability.
Our observation is that multiple layers — hardware, operating systems, third-party libraries, software versions, input data, compile-time options, and parameters — are subject to variability that exacerbates frictions but is also essential for achieving robust, generalizable results and fostering innovation. I will first review the literature, providing evidence of how the complex variability interactions across these layers affect qualitative and quantitative software properties, thereby complicating the reproduction and replication of scientific studies in various fields.
I will then present some software engineering and AI techniques that can support the strategic exploration of variability spaces. These include the use of abstractions and models (e.g., feature models), sampling strategies (e.g., uniform, random), cost-effective measurements (e.g., incremental build of software configurations), and dimensionality reduction methods (e.g., transfer learning, feature selection, software debloating).
I will finally argue that deep variability is both the problem and solution of frictionless reproducibility, calling the software science community to develop new methods and tools to manage variability and foster reproducibility in software systems.
Exposé invité Journées Nationales du GDR GPL 2024
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Bordettela is a gram negative cocobacilli spread by air born drop let
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学校原件一模一样【微信：741003700 】《(salfor毕业证书)索尔福德大学毕业证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
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THEMATIC APPERCEPTION TEST(TAT) cognitive abilities, creativity, and critic...
THEMATIC APPERCEPTION TEST(TAT) cognitive abilities, creativity, and critic...Abdul Wali Khan University Mardan,kP,Pakistan
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 skillsApplied Science: Thermodynamics, Laws & Methodology.pdf
When I was asked to give a companion lecture in support of ‘The Philosophy of Science’ (https://shorturl.at/4pUXz) I decided not to walk through the detail of the many methodologies in order of use. Instead, I chose to employ a long standing, and ongoing, scientific development as an exemplar. And so, I chose the ever evolving story of Thermodynamics as a scientific investigation at its best.
Conducted over a period of >200 years, Thermodynamics R&D, and application, benefitted from the highest levels of professionalism, collaboration, and technical thoroughness. New layers of application, methodology, and practice were made possible by the progressive advance of technology. In turn, this has seen measurement and modelling accuracy continually improved at a micro and macro level.
Perhaps most importantly, Thermodynamics rapidly became a primary tool in the advance of applied science/engineering/technology, spanning micro-tech, to aerospace and cosmology. I can think of no better a story to illustrate the breadth of scientific methodologies and applications at their best.
ESR spectroscopy in liquid food and beverages.pptx
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.
Cytokines and their role in immune regulation.pptx
This presentation covers the content and information on "Cytokines " and their role in immune regulation .
Phenomics assisted breeding in crop improvement
As the population is increasing and will reach about 9 billion upto 2050. Also due to climate change, it is difficult to meet the food requirement of such a large population. Facing the challenges presented by resource shortages, climate
change, and increasing global population, crop yield and quality need to be improved in a sustainable way over the coming decades. Genetic improvement by breeding is the best way to increase crop productivity. With the rapid progression of functional
genomics, an increasing number of crop genomes have been sequenced and dozens of genes influencing key agronomic traits have been identified. However, current genome sequence information has not been adequately exploited for understanding
the complex characteristics of multiple gene, owing to a lack of crop phenotypic data. Efficient, automatic, and accurate technologies and platforms that can capture phenotypic data that can
be linked to genomics information for crop improvement at all growth stages have become as important as genotyping. Thus,
high-throughput phenotyping has become the major bottleneck restricting crop breeding. Plant phenomics has been defined as the high-throughput, accurate acquisition and analysis of multi-dimensional phenotypes
during crop growing stages at the organism level, including the cell, tissue, organ, individual plant, plot, and field levels. With the rapid development of novel sensors, imaging technology,
and analysis methods, numerous infrastructure platforms have been developed for phenotyping.
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Energy updated
- 1. Energy
- 2. Page 2 What is Energy? Energy: is the ability to do work -expressed in joules Energy efficiency – the amount of useful energy after a conversion – the more efficient the more energy that can be used Ex: shape of car, shape of plane, houses, windows
- 3. Page 3 9 Types of Energy 1. Kinetic Energy is energy in motion.
- 4. Greater the mass of moving object, greater its kinetic energy Faster something is moving, more kinetic energy it has Page 4
- 5. Page 5 Types of Energy 2. Potential Energy is energy that is stored Gravitational Potential Energy is energy an object has because of its gravity
- 6. Page 6 Types of Energy
- 7. 3. Mechanical Energy Total energy of motion and position of an object Kinds of mechanical energy: potential energy and kinetic energy Ex: waterfall, running, wind Page 7
- 8. Page 8 Other Forms of Energy 5. Thermal Energy: the kinetic energy due to motion of particles that make up the object (faster the particles move the greater the thermal energy) Ex. steam
- 9. Page 9 Other Forms of Energy 2. CHEMICAL ENERGY: change in atom arrangement Ex) food digesting
- 10. Page 10 Other Forms of Energy 3. ELECTRICAL ENERGY: moving electrons Ex) amplifier, electrical devices
- 11. Page 11 Other Forms of Energy 4. SOUND ENERGY: object’s vibrations Ex) guitar strings
- 12. Page 12 Other Forms of Energy 5. LIGHT ENERGY (electromagnetic): vibrations from electrically charged particles Ex) Rainbow Northern lights photosynthesis
- 13. Page 13 Other Forms of Energy 6. NUCLEAR ENERGY: energy from changes in the nucleus Ex) fusion Sun, radiation
- 14. Page 14
- 15. Page 15
- 16. Page 16
- 17. Page 17
- 18. Energy Conversions -change from one form of energy to another (sometimes more than one) 1) eating breakfast: kinetic energy chemical energy, thermal energy Page 18
- 19. 2) photosynthesis: light energy chemical energy 3) alarm clock: electrical energy light energy, sound energy Page 19
- 20. 4) light bulb: electrical energy light energy. Thermal energy 5) hair dryer: electrical energy thermal energy, sound energy, kinetic energy Page 20