Review sheet for energy and heat
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The document provides definitions for various terms related to energy and heat. It defines energy as the ability to do work, work as being done when a force causes motion, and potential energy as stored energy due to an object's position, shape, or composition. It lists different forms of energy including thermal, geothermal, chemical, nuclear, mechanical, sound, light, and electricity. It also defines heat as the kinetic energy of particles in matter and discusses concepts such as conduction, convection, and radiation as different methods of heat transfer.
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Matter liannette
Here are some ways to save energy at home:
- Use energy-efficient lightbulbs like LED bulbs.
- Unplug appliances when not in use to avoid phantom loads.
- Lower your thermostat a few degrees in winter and raise it a few degrees in summer.
- Seal air leaks around windows and doors to prevent drafts.
- Open curtains on sunny days to let in natural light and heat from the sun.
- Take shorter showers and turn off the water when brushing your teeth.
- Wash clothes in cold water and air dry when possible.
- Properly insulate your attic, walls and basement.
- Have your furnace and air conditioner serviced regularly for
Renewable energy
This document discusses renewable and non-renewable energy sources. Renewable energy sources include wind, hydropower, and solar, as their intake does not chemically change and they can be recovered after use. For hydropower, water's kinetic energy spins turbines to generate electricity, but the water is not depleted. For wind power, air spins turbine blades without being used up. However, solar energy is argued to not be truly renewable since sunlight absorbed by panels is converted to another form rather than being recovered. Non-renewable sources like fossil fuels are finite and will eventually be depleted.
Energy
The document discusses various forms of renewable and non-renewable energy sources. Renewable energy sources include solar, wind, hydroelectric, tidal, geothermal, and wave energy, which can replenish themselves naturally. Non-renewable sources are fossil fuels like coal, petroleum, and natural gas, as well as nuclear energy, which are being depleted at a rate faster than they can be replenished. The advantages of renewable sources are that they are sustainable, but their energy production can fluctuate. Non-renewable sources provide abundant energy but produce pollution and greenhouse gases and will run out.
Forms of energy important statements
This document contains information about different forms of energy, including wind energy, nuclear energy, electric energy, solar energy, chemical energy, and thermal energy. Key points covered include that wind energy is renewable but requires a lot of space, nuclear energy occurs in atom nuclei, solar energy is unlimited but hard to concentrate, chemical energy is stored in food, and thermal energy is contained in steam. The document also discusses concepts like potential energy, electric potential, light energy, and hydroelectric energy from water.
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This document discusses various types of renewable energy sources including solar, wind, geothermal, hydro, and tidal energy. It provides details on solar energy and how photovoltaic panels work to convert sunlight directly into electricity via the photovoltaic effect. It also describes thin film solar cell technology and the process used to deposit materials to form solar panels. Additionally, it briefly touches on other renewable technologies like wind turbines, nuclear energy, and harvesting energy from natural resources and the environment. The document outlines some advantages and disadvantages of different energy sources.
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The document summarizes three renewable energy sources: wind, thermal, and geothermal energy. Wind energy uses turbines to convert kinetic energy from wind into electrical energy. Thermal energy produces heat from the motion of particles and can be converted into electricity. Geothermal energy harnesses heat from within the earth through hot water or steam, and can be used directly for heating or to generate electricity.
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Energy can be converted between different forms, but is never lost or destroyed. There are several examples of energy conversions, such as electrical energy being converted to light, heat, or kinetic energy through devices like toasters or solar panels. Kinetic energy from motion can also be converted to electrical energy through dynamos on bicycles. Chemical energy from fuels is converted to kinetic energy and heat when cars burn gas in their engines.
2.07 Help Worksheet
Chemical energy in a battery is converted to electrical energy to power a flashlight. Turning on a TV converts electrical energy from a power plant into both thermal and light energy. Striking a match converts chemical energy into thermal energy. Hitting a baseball converts kinetic energy from the bat into kinetic energy of the baseball. Sunlight hitting solar panels converts light energy into electrical energy, which can then be converted to thermal energy to power a lamp.
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Matter liannette
Here are some ways to save energy at home:
- Use energy-efficient lightbulbs like LED bulbs.
- Unplug appliances when not in use to avoid phantom loads.
- Lower your thermostat a few degrees in winter and raise it a few degrees in summer.
- Seal air leaks around windows and doors to prevent drafts.
- Open curtains on sunny days to let in natural light and heat from the sun.
- Take shorter showers and turn off the water when brushing your teeth.
- Wash clothes in cold water and air dry when possible.
- Properly insulate your attic, walls and basement.
- Have your furnace and air conditioner serviced regularly for
Renewable energy
This document discusses renewable and non-renewable energy sources. Renewable energy sources include wind, hydropower, and solar, as their intake does not chemically change and they can be recovered after use. For hydropower, water's kinetic energy spins turbines to generate electricity, but the water is not depleted. For wind power, air spins turbine blades without being used up. However, solar energy is argued to not be truly renewable since sunlight absorbed by panels is converted to another form rather than being recovered. Non-renewable sources like fossil fuels are finite and will eventually be depleted.
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The document discusses various forms of renewable and non-renewable energy sources. Renewable energy sources include solar, wind, hydroelectric, tidal, geothermal, and wave energy, which can replenish themselves naturally. Non-renewable sources are fossil fuels like coal, petroleum, and natural gas, as well as nuclear energy, which are being depleted at a rate faster than they can be replenished. The advantages of renewable sources are that they are sustainable, but their energy production can fluctuate. Non-renewable sources provide abundant energy but produce pollution and greenhouse gases and will run out.
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This document contains information about different forms of energy, including wind energy, nuclear energy, electric energy, solar energy, chemical energy, and thermal energy. Key points covered include that wind energy is renewable but requires a lot of space, nuclear energy occurs in atom nuclei, solar energy is unlimited but hard to concentrate, chemical energy is stored in food, and thermal energy is contained in steam. The document also discusses concepts like potential energy, electric potential, light energy, and hydroelectric energy from water.
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This document discusses various types of renewable energy sources including solar, wind, geothermal, hydro, and tidal energy. It provides details on solar energy and how photovoltaic panels work to convert sunlight directly into electricity via the photovoltaic effect. It also describes thin film solar cell technology and the process used to deposit materials to form solar panels. Additionally, it briefly touches on other renewable technologies like wind turbines, nuclear energy, and harvesting energy from natural resources and the environment. The document outlines some advantages and disadvantages of different energy sources.
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The document summarizes three renewable energy sources: wind, thermal, and geothermal energy. Wind energy uses turbines to convert kinetic energy from wind into electrical energy. Thermal energy produces heat from the motion of particles and can be converted into electricity. Geothermal energy harnesses heat from within the earth through hot water or steam, and can be used directly for heating or to generate electricity.
Lesson 3 energy conversions
Energy can be converted between different forms, but is never lost or destroyed. There are several examples of energy conversions, such as electrical energy being converted to light, heat, or kinetic energy through devices like toasters or solar panels. Kinetic energy from motion can also be converted to electrical energy through dynamos on bicycles. Chemical energy from fuels is converted to kinetic energy and heat when cars burn gas in their engines.
2.07 Help Worksheet
Chemical energy in a battery is converted to electrical energy to power a flashlight. Turning on a TV converts electrical energy from a power plant into both thermal and light energy. Striking a match converts chemical energy into thermal energy. Hitting a baseball converts kinetic energy from the bat into kinetic energy of the baseball. Sunlight hitting solar panels converts light energy into electrical energy, which can then be converted to thermal energy to power a lamp.
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The document discusses different forms of energy including kinetic, potential, thermal, mechanical, electrical, magnetic, chemical, elastic, nuclear, and gravitational energy. It provides examples of each type of energy and common uses. The document also discusses renewable and non-renewable energy sources, providing advantages and disadvantages of each. Specific renewable energy sources are described like hydroelectric, tidal, solar, wind, biomass, and geothermal. The process of generating and transmitting electricity from different sources is summarized.
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1) The document investigates how different sizes of wind blades affect the amount of electricity produced. An experiment was conducted where 5 different sized paper wind blades were tested using a motor and multimeter.
2) The results showed that larger wind blades produced more electricity than smaller blades, supporting the hypothesis. The biggest blade of 12x6 cm produced the most electricity on average.
3) Sources of error included inconsistent blade angles and holes in some corks that held the blades. Taking more measurements could help obtain more accurate data.
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Energy comes in different forms including heat, light, mechanical, electrical, chemical, and nuclear. It can be classified as either potential (stored) or kinetic (working) energy. Biomass is a renewable energy source that contains stored solar energy and includes materials such as wood, crops, and garbage. When burned, biomass releases chemical energy as heat. Biomass provides about 3% of energy in the United States and its use can reduce waste and support domestic agriculture.
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Class: BS EDUCATION
Semester: 2nd (Spring(2023-2027)
Date Of Starting Of Semester : 4 September 2023
Date Of End Of Semester : 20 January 2024
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These are the presentation slides that we prepare by our own research and work!
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This document discusses the internal heat sources of Earth. It states that Earth's internal heat comes from four main sources: 1) primordial heat remaining from Earth's formation over 4.6 billion years ago, 2) heat from radioactive decay of elements in Earth's interior like uranium, radium, and thorium, 3) gravitational pressure increasing temperature towards the core, and 4) heat generated by dense core materials like iron and nickel compressing under intense pressure and heat in the inner core.
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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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This document provides information about energy, including:
1. It defines energy as the ability to do work, and discusses different types of potential and kinetic energy.
2. It classifies energy as either potential (stored) or kinetic (in motion), and describes potential energy of position and form.
3. It explains how energy can be converted between different forms, using examples like solar energy driving water evaporation and plant photosynthesis.
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The document discusses various types of energy sources including:
1) Mechanical energy which includes kinetic and potential energy.
2) Heat, light, chemical, sound, magnetic, electrical, atomic, solar, wind, hydro, tidal, ocean thermal, bio, and geothermal energy.
3) Fossil fuels like coal, petroleum, and natural gas which are non-renewable sources of energy that should be conserved. Renewable sources like solar, wind, and hydro are also discussed.
The key forms of energy production are discussed as well as safety measures for nuclear energy and conservation strategies.
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Energy can be converted from one form to another but is never created or destroyed. This document provides examples of energy conversions:
1) Chemical energy from a battery is converted to electrical energy which powers a light bulb, producing heat energy and increasing the bulb's temperature.
2) Electrical energy from a battery powers a coil of wire, creating magnetic energy that attracts paperclips.
3) Light energy from the sun hits a solar panel, converting to electrical energy that powers a motor and is converted to kinetic energy spinning the motor's fan blades.
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2. Work done in reversible processes allows for the maximum work extraction as the opposing pressure differs only infinitesimally from the internal pressure. In irreversible processes, the maximum work is not extracted.
3. Enthalpy (H) is a state function that accounts for heat transfer and work done at constant pressure. The change in enthalpy equals the heat absorbed or released by a system at
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The document summarizes an experiment investigating how different wind blade sizes affect the amount of electricity produced. The experiment tested 5 blade sizes ranging from 16cm^2 to 72cm^2 in area. The results showed that larger blades produced more electricity, with the largest 72cm^2 blade producing an average of 76mV compared to 52mV for the smallest 16cm^2 blade. This supported the hypothesis that bigger blades capture more wind energy and produce more electricity. Sources of error were inconsistent blade angles and temperature variations between trials.
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This document summarizes different types of energy:
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- It then focuses on non-renewable energy sources like fossil fuels, their formation, and uses. Nuclear energy and the processes of nuclear fusion and fission are also discussed.
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Utility companies generate electricity to meet fluctuating demand by using both base load and peak power stations. Base load stations operate continuously using cheaper fuels, while peak stations only operate during high demand periods and use more expensive fuels. Energy storage technologies allow excess energy, such as solar, to be stored and discharged later to better match supply with demand, reducing costs. Common storage methods include sensible heat storage using water, rocks or phase change materials, and thermochemical storage using chemical reactions.
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1. Newton's laws of motion describe how forces cause objects to accelerate or remain at rest. Kinetic energy is the energy of motion while potential energy is stored energy due to position or structure.
2. The law of conservation of energy states that energy cannot be created or destroyed, only changed from one form to another, such as chemical to electrical. Heat can be transferred through conduction, convection, or radiation.
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The document discusses different forms of energy including kinetic, potential, thermal, mechanical, electrical, magnetic, chemical, elastic, nuclear, and gravitational energy. It provides examples of each type of energy and common uses. The document also discusses renewable and non-renewable energy sources, providing advantages and disadvantages of each. Specific renewable energy sources are described like hydroelectric, tidal, solar, wind, biomass, and geothermal. The process of generating and transmitting electricity from different sources is summarized.
Mcas phys sci properties states energy forms short 2012
This document provides a summary of key concepts in physical science covered on the MCAS Science Review, including properties of objects and materials, states of matter, forms of energy, and state changes. It defines important physical science terms and concepts in 1-3 concise sentences. For example, it defines the three states of matter as solid, liquid, and gas and explains how energy and temperature changes can cause objects to transition between these states.
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1) The document investigates how different sizes of wind blades affect the amount of electricity produced. An experiment was conducted where 5 different sized paper wind blades were tested using a motor and multimeter.
2) The results showed that larger wind blades produced more electricity than smaller blades, supporting the hypothesis. The biggest blade of 12x6 cm produced the most electricity on average.
3) Sources of error included inconsistent blade angles and holes in some corks that held the blades. Taking more measurements could help obtain more accurate data.
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Energy comes in different forms including heat, light, mechanical, electrical, chemical, and nuclear. It can be classified as either potential (stored) or kinetic (working) energy. Biomass is a renewable energy source that contains stored solar energy and includes materials such as wood, crops, and garbage. When burned, biomass releases chemical energy as heat. Biomass provides about 3% of energy in the United States and its use can reduce waste and support domestic agriculture.
ENERGY Chapter - 7 General Science 9th 10th
Subject : General Science
Teacher: Mr Ehtisham Ul Haq
Class: BS EDUCATION
Semester: 2nd (Spring(2023-2027)
Date Of Starting Of Semester : 4 September 2023
Date Of End Of Semester : 20 January 2024
University Of Sargodha
Institute of Education
These are the presentation slides that we prepare by our own research and work!
EA-Lesson-2.pdf..........................
This document discusses the internal heat sources of Earth. It states that Earth's internal heat comes from four main sources: 1) primordial heat remaining from Earth's formation over 4.6 billion years ago, 2) heat from radioactive decay of elements in Earth's interior like uranium, radium, and thorium, 3) gravitational pressure increasing temperature towards the core, and 4) heat generated by dense core materials like iron and nickel compressing under intense pressure and heat in the inner core.
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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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This document provides information about energy, including:
1. It defines energy as the ability to do work, and discusses different types of potential and kinetic energy.
2. It classifies energy as either potential (stored) or kinetic (in motion), and describes potential energy of position and form.
3. It explains how energy can be converted between different forms, using examples like solar energy driving water evaporation and plant photosynthesis.
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This document provides an introduction to solar energy, including how it works and its applications. Solar energy comes from the sun's radiation that reaches the Earth. It can be collected and stored in various ways, such as in batteries, and used for heating, cooling, generating electricity, and powering transportation. Common ways solar energy is applied include heating water and buildings, powering devices, and cooling buildings through changing the phase of liquids. Overall, the document outlines the basics of solar energy as an alternative to fossil fuels and discusses current uses.
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The document discusses energy and its various forms. It defines energy as the capacity to do work or produce heat. Energy cannot be created or destroyed, only transformed from one form to another. There are various types of material systems depending on how energy and matter can be exchanged. Energy exists in many forms including mechanical, thermal, chemical, electrical, electromagnetic, nuclear, and internal. Energy can be transferred or converted between these different forms.
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The document discusses various types of energy sources including:
1) Mechanical energy which includes kinetic and potential energy.
2) Heat, light, chemical, sound, magnetic, electrical, atomic, solar, wind, hydro, tidal, ocean thermal, bio, and geothermal energy.
3) Fossil fuels like coal, petroleum, and natural gas which are non-renewable sources of energy that should be conserved. Renewable sources like solar, wind, and hydro are also discussed.
The key forms of energy production are discussed as well as safety measures for nuclear energy and conservation strategies.
Kaw energy and_energy_conversions
Energy can be converted from one form to another but is never created or destroyed. This document provides examples of energy conversions:
1) Chemical energy from a battery is converted to electrical energy which powers a light bulb, producing heat energy and increasing the bulb's temperature.
2) Electrical energy from a battery powers a coil of wire, creating magnetic energy that attracts paperclips.
3) Light energy from the sun hits a solar panel, converting to electrical energy that powers a motor and is converted to kinetic energy spinning the motor's fan blades.
First and second law thermodynamics (sy p 8)
Thermodynamics is the study of energy and its transformation. There are several key concepts in thermodynamics including:
1. The first law of thermodynamics, also known as the law of conservation of energy, states that energy cannot be created or destroyed, only changed from one form to another.
2. Work done in reversible processes allows for the maximum work extraction as the opposing pressure differs only infinitesimally from the internal pressure. In irreversible processes, the maximum work is not extracted.
3. Enthalpy (H) is a state function that accounts for heat transfer and work done at constant pressure. The change in enthalpy equals the heat absorbed or released by a system at
Lab Wind Energy
The document summarizes an experiment investigating how different wind blade sizes affect the amount of electricity produced. The experiment tested 5 blade sizes ranging from 16cm^2 to 72cm^2 in area. The results showed that larger blades produced more electricity, with the largest 72cm^2 blade producing an average of 76mV compared to 52mV for the smallest 16cm^2 blade. This supported the hypothesis that bigger blades capture more wind energy and produce more electricity. Sources of error were inconsistent blade angles and temperature variations between trials.
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Energy is a fundamental in the universe, we must use more natural forms of energy to create a sustainable world.
Transfer of Heat
This document discusses the three main processes of heat transfer: conduction, convection, and radiation.
Conduction involves the transfer of thermal energy through direct contact of molecules in solids. Convection occurs through the circulation of liquids and gases, such as heated water rising. Radiation transfers heat through electromagnetic waves and does not require a medium. Good conductors readily transfer heat through conduction while insulators inhibit heat transfer. The processes spread heat from hot to cold regions through molecular vibration, fluid circulation, and electromagnetic radiation.
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This document summarizes different types of energy:
- It describes 7 main types of energy - kinetic, gravitational potential, thermal, chemical, electric, light, and sound energy.
- It then focuses on non-renewable energy sources like fossil fuels, their formation, and uses. Nuclear energy and the processes of nuclear fusion and fission are also discussed.
- Renewable energy sources like solar, wind, biomass, water, geothermal, tidal, and wave energy are defined and examples of how each is harnessed and transformed are provided.
Thermal power storage
Utility companies generate electricity to meet fluctuating demand by using both base load and peak power stations. Base load stations operate continuously using cheaper fuels, while peak stations only operate during high demand periods and use more expensive fuels. Energy storage technologies allow excess energy, such as solar, to be stored and discharged later to better match supply with demand, reducing costs. Common storage methods include sensible heat storage using water, rocks or phase change materials, and thermochemical storage using chemical reactions.
Ogt review science
1. Newton's laws of motion describe how forces cause objects to accelerate or remain at rest. Kinetic energy is the energy of motion while potential energy is stored energy due to position or structure.
2. The law of conservation of energy states that energy cannot be created or destroyed, only changed from one form to another, such as chemical to electrical. Heat can be transferred through conduction, convection, or radiation.
3. Chemical properties describe changes that produce new substances, while physical changes do not. Endothermic reactions absorb heat and exothermic reactions release heat. Phase changes alter a substance's state between solid, liquid, and gas.
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Mcas phys sci properties states energy forms short 2012
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This document provides instructions for an investigation into Alfred Wegener's theory of continental drift and the existence of the supercontinent Pangaea. Students are asked to cut out continents from a page of "continental pieces" and fit them together based on matching boundaries, fossils, and glacial patterns to recreate Pangaea, as Wegener had done using available evidence. They are then to glue the recreated continents and a key to a separate piece of paper and answer questions about which continents fit together best and other evidence that could support the existence of Pangaea.
Ocean bottom profiles
This document provides instructions for a classroom activity where students will label ocean basin features on three profiles and maps. Students are asked to match maps with profiles, draw a line indicating sea level, and label landforms and ocean zones. They also answer questions about crust types and relative depths. The activity aims to teach students about the structure of ocean basins through hands-on labeling and mapping.
Global Tectonic Plates HW
This document contains a worksheet for students to answer questions about tectonic plates based on a map on the back of the sheet. The questions ask students to identify different types of plate boundaries based on line thickness on the map, features characteristic of convergent and divergent boundaries, plates framed by convergent boundaries, specific plate boundaries, and distances between continental plates.
Earths Interior Questions HW
The document is a worksheet containing 11 multiple choice questions about the properties of Earth's interior layers based on a diagram. The questions ask about how temperature and pressure change with depth, the depth of boundaries between layers, observed temperatures, melting points, densities, compositions, and phases of the different layers.
Dynamic Earth Note Packet
This document is a note packet about plate tectonics, earthquakes, and volcanoes for an Earth Science class. It includes vocabulary words and information about plate tectonics theory, evidence for seafloor spreading, types of plate boundaries and plate motions, mantle convection cells, and hot spots. The packet contains diagrams and questions to help students understand key concepts about the dynamic nature of the Earth's interior and crust.
Dynamic Earth
The document summarizes the structure and composition of Earth's interior. It has four main layers from innermost to outermost - the solid inner core made of iron and nickel, the liquid outer core also made of iron and nickel, the solid mantle made of iron, silicon and magnesium minerals, and the rigid outer crust made of lighter rock. Temperature and pressure increase from the crust towards the core. The crust is thinnest under oceans and thickest under mountains.
Earths dimension sci 8 ppt np1
This document provides information about Earth's spheres and mapping locations on Earth. It discusses the geosphere, atmosphere, hydrosphere, and biosphere. It describes latitude and longitude and how they are used in a coordinate system to locate positions on Earth. It also covers topics like time zones, topographic maps, and drawing contour lines.
Metamorphic Rocks
Metamorphic rocks are formed from existing rocks through recrystallization caused by heat and pressure, without melting. There are two types of metamorphism: regional metamorphism occurs over large areas with extreme heat and pressure, as in mountain building; contact metamorphism occurs only near intrusions and does not melt the rock. During metamorphism, new mineral crystals form and original structures can be distorted, resulting in foliated rocks like schist. Limestone becomes marble, sandstone becomes quartzite, and shale becomes slate through metamorphism. Fossils are not found in metamorphic rocks as the heat and pressure would destroy them.
More from West Hollow MS Ms. Gill (20)
Review sheet for energy and heat
- 1. Review Sheet For Energy and Heat!<br />Make these index cards for 5pts extra credit!<br />ON FRONT OF CARD: PUT WHAT IS BEFORE THE SLASH<br />ON BACK OF CARD PUT WHAT IS AFTER THE SLASH!<br />1. Energy/ the ability to do work<br />2. Work/ when a force causes an object to move in the same direction as the force<br />3. Potential Energy/ Stored Energy due to an objects position, shape or composition. 4. More Height and More Mass/ greater potential energy<br />5. Kinetic Energy/ energy of motion, depends on mass and speed<br />6. Faster and Massive/ greater kinetic energy<br />7. Forms of Energy/ Thermal, Geothermal, Chemical, Nuclear, Mechanical, Sound, Light and Electricity<br />8. Thermal/ Heat energy, total kinetic energy of particles in matter<br />9. Geothermal/ Heat energy stored within the Earth. Ex: volcanoes, geysers<br />10. Chemical/ Energy STORED in chemical bonds that can be released. Ex: food, fuels, and battery acid<br />11. Nuclear/ Energy stored in the nucleus of an atom. Ex: nuclear bombs<br />12. Mechanical/ Energy with which moving objects perform work. Ex. Wind, water, hammer<br />13. Sound/ A type of mechanical energy , the energy produced when objects vibrate. Ex: tuning fork, bell<br />14. Light/ A form of radiant energy that moves in a wave. Ex: lamp stars<br />15. Electricity/ A form of energy produced by the movement of electrons<br />16. Solar Energy/ all forms of energy that come from the sun.<br />17. Stored Mechanical Energy/ due to change in the shape of an object example: a stretched rubber band<br />18. Law of Conservation of Mass and Energy/ Energy can not be made, Energy can not be destroyed, Energy can only change form.<br />19. Unusable Energy/ Some heat energy is lost due to friction to the environment<br />20. Non-Renewable Resource/ is used faster than Earth produces it ex: fossil fuels, minerals<br />21. Renewable Resource/ Earth supplies faster than we use it, therefore it is unlimited. Produces less pollution Ex: solar, wind, biomass<br />22. Heat/ the energy of moving particles<br />23. Hot objects/ contain more heat than cold ones<br />24. Absolute zero/ contains no heat, but anything above this temperature does.<br />25. Heat flows…/ from Hot to Cold, the bigger the difference, the faster it flows<br />26. Conduction/ is a form of heat transfer by direct contact, occurs faster in solids. <br />27. Metals/ are the best conductors of heat<br />28. Convection/ is heat transfer that occurs by up and down motions of a fluid because of density differences. It only occurs in fluids which are liquids and gases.<br />29. Radiation/ the transfer of heat in waves. <br />30. Electromagnetic radiation/ travels at the speed of light and can travel through empty space<br />