Science vocabulary
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This document contains definitions for various scientific terms related to chemistry and the environment, including: - Atmospheric, atom, boiling, carbon monoxide, chemical property, condensation, conscience, contamination, contribute, environment, evaporation, fusion, gas, gravity, impact, landfill, liquid, matter, molecule, physical property, plasma, pollution, property, recycling, residues, scientific method, shape, size, soil, solidification, state, substance, take care of, and texture.
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This document provides an overview of matter and its properties. It discusses the following key points:
1) Matter is anything that occupies space and has mass. It can be classified based on physical state (solid, liquid, gas), chemical composition (pure substances and mixtures), and early Indian philosophical elements.
2) Matter is made of very tiny particles that are in continuous motion, have space between them, and attract each other. The three states of matter are solids, liquids, and gases, which differ in properties like compressibility and particle movement.
3) Changes of state, such as melting, boiling, sublimation, and evaporation occur when heat is added or removed and cause phase transitions between
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3. For the Fungi and Plants kingdom, terms are vascular, nonvascular, fungi, photosynthesis, chloroplasts, chlorophyll, tubes, carbondioxide, roots, and sunlight.
4. Vocabulary for the Animal kingdom includes vertebrates, invertebrates, exoskeleton, backbone,
Science vocabulary
The document is a glossary that defines key terms related to chemistry and the environment. It defines terms such as atom, boiling, carbon monoxide, chemical property, condensation, evaporation, fusion, gas, gravity, liquid, matter, molecule, physical property, plasma, pollution, property, recycling, scientific method, shape, size, solidification, state, substance, and texture. The glossary provides concise definitions of these important scientific concepts in 1-2 sentences each to aid understanding.
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Three key steps to social science research are: 1) Select concepts of interest and variables, 2) Posit relationships between variables through hypotheses, and 3) Empirically test these hypotheses. Variables can be independent, influencing other dependent variables, and must be operationally defined to be observable and measurable. Common research methods include surveys, experiments, observation, and unobtrusive research using artifacts, statistics or content analysis. Samples are used to make inferences about larger populations.
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This document provides an overview of matter and its properties. It discusses the following key points:
1) Matter is anything that occupies space and has mass. It can be classified based on physical state (solid, liquid, gas), chemical composition (pure substances and mixtures), and early Indian philosophical elements.
2) Matter is made of very tiny particles that are in continuous motion, have space between them, and attract each other. The three states of matter are solids, liquids, and gases, which differ in properties like compressibility and particle movement.
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Specif gravity.ppt 2 copy
Group 3 conducted a soil lab with 5 members. The experiments included determining water content by oven dried method, sieve analysis, modified proctor test, and specific gravity of soil solids. To determine specific gravity, a pycnometer was filled with dry soil and water, vacuumed to remove air, and weighed. The specific gravity was calculated using a formula that divides the weight of soil by the difference in weight between the pycnometer filled with soil and water, and the pycnometer filled just with water. Specific gravity is an important property used to determine void ratio, porosity, and degree of saturation. The results can help determine the type of soil as sand, silt or clay based on the specific gravity range
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2. For the Bacteria and Protist kingdom, vocabulary includes terms like microscopic, organism, bacteria, protist, algae, and microscope.
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The document is a glossary that defines key terms related to chemistry and the environment. It defines terms such as atom, boiling, carbon monoxide, chemical property, condensation, evaporation, fusion, gas, gravity, liquid, matter, molecule, physical property, plasma, pollution, property, recycling, scientific method, shape, size, solidification, state, substance, and texture. The glossary provides concise definitions of these important scientific concepts in 1-2 sentences each to aid understanding.
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Three key steps to social science research are: 1) Select concepts of interest and variables, 2) Posit relationships between variables through hypotheses, and 3) Empirically test these hypotheses. Variables can be independent, influencing other dependent variables, and must be operationally defined to be observable and measurable. Common research methods include surveys, experiments, observation, and unobtrusive research using artifacts, statistics or content analysis. Samples are used to make inferences about larger populations.
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1) A person's vocabulary consists of words they are familiar with in a language and develops with age, serving as a fundamental tool for communication and acquiring knowledge.
2) There are many strategies for improving and expanding one's vocabulary, including extensive reading, repetition, learning words in context, using vocabulary trees, word walls, root words, prefixes and suffixes, synonyms and antonyms, word formation charts, word lists, and word games.
3) Mastering vocabulary is important for effective communication, understanding, thinking, and being understood by others. Regular practice over time is needed to significantly improve one's vocabulary.
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The document outlines a presentation on vocabulary building, discussing the definition of vocabulary, types of vocabulary including oral, print, receptive and productive vocabulary. It also summarizes research findings on vocabulary learning including the importance of repetition, context, and active engagement. The presentation recommends explicit instruction of vocabulary using steps like presenting words in context, helping students remember words, and ensuring students make the words their own.Reto2016 IV Desafío Iberoamericano de Simulación de Negocios
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The document outlines a three step process for teaching vocabulary:
1) Presenting new words using visuals, gestures, context, and other techniques like dictionaries.
2) Helping students remember words through review games, memorization games with classmates, and socio-affective activities.
3) Ensuring students make words their own through personalized vocabulary records, creative writing using new words, and finding words in other materials.
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EXPERIMENTS: PARTICLES OF MATTER ARE VERY SMALL
PARTICLES OF MATTER ARE ALWAYS MOVING
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Adsorption is the process where a gas or liquid accumulates on the surface of a solid or liquid, forming a film. It occurs due to surface energy - atoms on the surface experience a bond deficiency. There are two types: physisorption, where adsorbate adheres via weak van der Waals forces; and chemisorption, where chemical bonds form. Factors influencing adsorption include surface area, gas nature, temperature, and pressure. Adsorption has applications in vacuum production, gas masks, catalysis, and water purification.
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This document discusses the properties of matter and different types of matter. It defines chemistry as the study of matter and its composition, structure and properties. Matter is anything that has mass and takes up space. There are three main states of matter: solids, liquids, and gases. Pure substances like elements and compounds have a definite composition, while mixtures are combinations of two or more substances mixed together physically. The document outlines several methods for separating mixtures, such as filtration, decantation, centrifugation, evaporation and chromatography.
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This document discusses the classification and states of matter. It defines substances as samples of matter with uniform physical and chemical properties throughout. Substances can exist in solid, liquid, or gas states depending on the energy and spacing of their particles. Matter is classified as elements, compounds, or mixtures. Elements consist of only one type of atom and cannot be broken down further. Compounds are formed from two or more elements and can be broken down into their component elements. Mixtures contain two or more substances but are not chemically combined. Mixtures can be homogeneous, with uniform composition, or heterogeneous. The document then discusses various states of matter and techniques for separating mixtures.
Particulate nature of matter
Describe the structure of solids, liquids and gases in terms of particle separation, arrangement and types of motion
State the distinguishing properties of solids, liquids and gases
• Describe and explain diffusion (1 core)
• Describe evidence for the movement of particles in gases and liquids (1 core)
Describe changes of state in terms of melting, boiling, evaporation, freezing, condensation and sublimation
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1. Surface chemistry deals with phenomena that occur at interfaces between different phases such as solid-gas or solid-liquid.
2. Adsorption is the accumulation of molecules of a gas or liquid on the surface of a solid or liquid. It is a surface phenomenon that depends on factors like the surface area and temperature.
3. There are two types of adsorption - physical adsorption (physisorption) which involves weak van der Waals forces, and chemical adsorption (chemisorption) where chemical bonds form between the adsorbate and adsorbent. Chemisorption has a higher enthalpy of adsorption and is more specific and irreversible.
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This document provides a summary of the key concepts covered in a PowerPoint presentation on fluid dynamics for an 8th grade science class. The presentation covers topics like the properties of fluids, including viscosity, density, temperature effects, and buoyancy. It also discusses fluid technologies, mixtures and solutions, the particle model of matter, and changes of state. Concepts are explained through examples and diagrams to enrich students' understanding of fluids and their behavior.
Adsorption
Surface chemistry deals with phenomena that occur at interfaces between phases. Adsorption is a key phenomenon where molecules accumulate at surfaces rather than in the bulk. Some materials like charcoal and silica gel act as good adsorbents due to their large surface areas. Adsorption involves molecules of gases, liquids, or dissolved substances concentrating on the surface of an adsorbent rather than in its bulk.
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(1) The study examined the impact of concept mapping and multiple exposures on fifth grade students' science vocabulary achievement compared to traditional instruction. (2) The treatment group used semantic mapping and multiple exposures while the comparison group used traditional definition-based instruction. (3) Results showed the treatment group had significantly higher gains from pre-to-posttest and higher knowledge ratings, indicating concept mapping and multiple exposures were more effective for learning vocabulary.
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With a child-friendly eBook, printable vocabulary labels, crosswords and wordsearches, it is an amazing resource for teachers! Download this pack now from http://teachr.co/sciencevocabularypack
What is vocabulary
1) A person's vocabulary consists of words they are familiar with in a language and develops with age, serving as a fundamental tool for communication and acquiring knowledge.
2) There are many strategies for improving and expanding one's vocabulary, including extensive reading, repetition, learning words in context, using vocabulary trees, word walls, root words, prefixes and suffixes, synonyms and antonyms, word formation charts, word lists, and word games.
3) Mastering vocabulary is important for effective communication, understanding, thinking, and being understood by others. Regular practice over time is needed to significantly improve one's vocabulary.
Teaching Vocabulary
This document discusses best practices for teaching vocabulary to language learners. It notes that full learning of a word requires multiple exposures over time, through meaningful input and output. It recommends systematically teaching only high frequency and academic vocabulary, and helping learners develop strategies for independent vocabulary learning. Effective teaching involves exposing words in different contexts and meanings, using first language translations, spacing practice over time, and balancing direct instruction with other learning strands.
Presentation on vocabulary building
Presentation on vocabulary buildingJaved Iqbal Student of M.S (Teacher Education) at University of Tennessee USA
The document outlines a presentation on vocabulary building, discussing the definition of vocabulary, types of vocabulary including oral, print, receptive and productive vocabulary. It also summarizes research findings on vocabulary learning including the importance of repetition, context, and active engagement. The presentation recommends explicit instruction of vocabulary using steps like presenting words in context, helping students remember words, and ensuring students make the words their own.Reto2016 IV Desafío Iberoamericano de Simulación de Negocios
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Esta competición/competencia está abierta a todas las universidades iberoamericanas o de lengua española que lo deseen. El único requisito es que los participantes desarrollen su actividad en dichas universidades y que los alumnos cursen al menos una asignatura de 5º semestre o superior.
How to teach vocabulary
The document outlines a three step process for teaching vocabulary:
1) Presenting new words using visuals, gestures, context, and other techniques like dictionaries.
2) Helping students remember words through review games, memorization games with classmates, and socio-affective activities.
3) Ensuring students make words their own through personalized vocabulary records, creative writing using new words, and finding words in other materials.
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This document provides an overview of the key topics in the chapter on matter from a 9th grade science textbook. It defines matter as anything that occupies space and has mass. It describes the three common states of matter - solid, liquid, and gas - and their characteristic properties. It also discusses less common states like plasma and Bose-Einstein condensate. The document outlines various processes by which matter can change states, like melting, boiling, sublimation, and evaporation. It explains how temperature and pressure can affect a substance's state and cause changes between solid, liquid, and gas. In closing, it reviews the factors that influence the rate of evaporation.
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EXPERIMENTS: PARTICLES OF MATTER ARE VERY SMALL
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This document discusses the classification and states of matter. It defines substances as samples of matter with uniform physical and chemical properties throughout. Substances can exist in solid, liquid, or gas states depending on the energy and spacing of their particles. Matter is classified as elements, compounds, or mixtures. Elements consist of only one type of atom and cannot be broken down further. Compounds are formed from two or more elements and can be broken down into their component elements. Mixtures contain two or more substances but are not chemically combined. Mixtures can be homogeneous, with uniform composition, or heterogeneous. The document then discusses various states of matter and techniques for separating mixtures.
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Describe the structure of solids, liquids and gases in terms of particle separation, arrangement and types of motion
State the distinguishing properties of solids, liquids and gases
• Describe and explain diffusion (1 core)
• Describe evidence for the movement of particles in gases and liquids (1 core)
Describe changes of state in terms of melting, boiling, evaporation, freezing, condensation and sublimation
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