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Energy Forms and Sources
Types of energy, energy changes and energy sources.
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60 cards
- EnergyQuestionThe ability to cause change or do work
- Kinetic energyQuestionEnergy of movement
- Potential energyQuestionStored energy
- Mechanical energyQuestionKinetic plus potential energy of an object
- Chemical energyQuestionEnergy stored in food, fuel and batteries
- Electrical energyQuestionEnergy of moving electric charges
- Thermal energyQuestionEnergy of moving particles; felt as heat
- Light (radiant) energyQuestionEnergy carried by electromagnetic waves
- Sound energyQuestionEnergy carried by vibrations
- Nuclear energyQuestionEnergy stored in an atom's nucleus
- Elastic energyQuestionEnergy stored in a stretched rubber band or spring
- Gravitational energyQuestionEnergy stored by an object that is high up
- Energy change in a lampQuestionElectrical to light and heat
- Energy change in a toasterQuestionElectrical to heat
- Energy change in a car engineQuestionChemical to thermal to motion
- Energy change in a solar cellQuestionLight to electrical
- Energy change in a batteryQuestionChemical to electrical
- Energy change in a microphoneQuestionSound to electrical
- Energy change in a speakerQuestionElectrical to sound
- Energy change in a plantQuestionLight to chemical
- Energy change in a falling ballQuestionPotential to kinetic
- Energy change in rubbing handsQuestionMotion to heat
- Energy change in a hydroelectric damQuestionGravitational potential to kinetic to electrical
- Renewable energyQuestionEnergy from sources that can be replaced naturally
- Nonrenewable energyQuestionEnergy from sources that cannot be replaced soon
- Fossil fuelsQuestionCoal, oil and natural gas made from ancient living things
- CoalQuestionA solid fossil fuel made from ancient plants
- PetroleumQuestionLiquid fossil fuel also called crude oil
- Natural gasQuestionFossil fuel made mostly of methane
- Solar energyQuestionEnergy from the Sun
- Wind energyQuestionEnergy from moving air that turns turbines
- Hydroelectric powerQuestionElectricity from moving water
- Geothermal energyQuestionHeat from inside the Earth
- BiomassQuestionEnergy from burning plants or waste
- BiofuelQuestionFuel made from plants, like ethanol
- Tidal energyQuestionEnergy from the rise and fall of ocean tides
- Nuclear powerQuestionElectricity from splitting atoms in a reactor
- UraniumQuestionThe fuel used in most nuclear plants
- Photovoltaic cellQuestionA solar cell that makes electricity from light
- TurbineQuestionA wheel that spins to run a generator
- GeneratorQuestionA machine that turns motion into electricity
- Power plantQuestionA facility that makes electricity
- Energy conservationQuestionUsing less energy
- Energy efficiencyQuestionGetting the same job done using less energy
- Greenhouse gasQuestionA gas that traps heat in the atmosphere, such as carbon dioxide
- Sun's energy sourceQuestionNuclear fusion of hydrogen into helium
- Law of conservation of energyQuestionEnergy is never made or destroyed, only changed
- Where does most of Earth's energy come from?QuestionThe Sun
- JouleQuestionThe unit of energy
- WattQuestionA rate of energy use, one joule per second
- Kilowatt-hourQuestionA unit of electrical energy used on a power bill
- CalorieQuestionA unit of energy in food (the Calorie on labels is 1,000 small calories)
- GridQuestionThe network that delivers electricity to homes
- BatteryQuestionStores chemical energy and gives electrical energy
- Fuel cellQuestionA device that makes electricity from a reaction such as hydrogen with oxygen
- Wasted energyQuestionEnergy that ends up as unwanted heat
- InsulationQuestionMaterial that slows heat loss
- LEDQuestionA light bulb that uses much less energy than an old incandescent bulb
- Passive solarQuestionUsing building design to gather the Sun's heat
- Smart meterQuestionA meter that tracks electricity use in detail
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