{
 "source": "https://peabody.kids/flashcards/phys-energy",
 "id": "phys-energy",
 "title": "Energy Forms and Sources",
 "category": "science",
 "subject": "Physics",
 "levels": [
  "3-5",
  "6-8",
  "9-12"
 ],
 "description": "Types of energy, energy changes and energy sources.",
 "tags": [
  "energy",
  "resources"
 ],
 "frontLabel": "Question",
 "backLabel": "Answer",
 "cards": [
  [
   "Energy",
   "The ability to cause change or do work"
  ],
  [
   "Kinetic energy",
   "Energy of movement"
  ],
  [
   "Potential energy",
   "Stored energy"
  ],
  [
   "Mechanical energy",
   "Kinetic plus potential energy of an object"
  ],
  [
   "Chemical energy",
   "Energy stored in food, fuel and batteries"
  ],
  [
   "Electrical energy",
   "Energy of moving electric charges"
  ],
  [
   "Thermal energy",
   "Energy of moving particles; felt as heat"
  ],
  [
   "Light (radiant) energy",
   "Energy carried by electromagnetic waves"
  ],
  [
   "Sound energy",
   "Energy carried by vibrations"
  ],
  [
   "Nuclear energy",
   "Energy stored in an atom's nucleus"
  ],
  [
   "Elastic energy",
   "Energy stored in a stretched rubber band or spring"
  ],
  [
   "Gravitational energy",
   "Energy stored by an object that is high up"
  ],
  [
   "Energy change in a lamp",
   "Electrical to light and heat"
  ],
  [
   "Energy change in a toaster",
   "Electrical to heat"
  ],
  [
   "Energy change in a car engine",
   "Chemical to thermal to motion"
  ],
  [
   "Energy change in a solar cell",
   "Light to electrical"
  ],
  [
   "Energy change in a battery",
   "Chemical to electrical"
  ],
  [
   "Energy change in a microphone",
   "Sound to electrical"
  ],
  [
   "Energy change in a speaker",
   "Electrical to sound"
  ],
  [
   "Energy change in a plant",
   "Light to chemical"
  ],
  [
   "Energy change in a falling ball",
   "Potential to kinetic"
  ],
  [
   "Energy change in rubbing hands",
   "Motion to heat"
  ],
  [
   "Energy change in a hydroelectric dam",
   "Gravitational potential to kinetic to electrical"
  ],
  [
   "Renewable energy",
   "Energy from sources that can be replaced naturally"
  ],
  [
   "Nonrenewable energy",
   "Energy from sources that cannot be replaced soon"
  ],
  [
   "Fossil fuels",
   "Coal, oil and natural gas made from ancient living things"
  ],
  [
   "Coal",
   "A solid fossil fuel made from ancient plants"
  ],
  [
   "Petroleum",
   "Liquid fossil fuel also called crude oil"
  ],
  [
   "Natural gas",
   "Fossil fuel made mostly of methane"
  ],
  [
   "Solar energy",
   "Energy from the Sun"
  ],
  [
   "Wind energy",
   "Energy from moving air that turns turbines"
  ],
  [
   "Hydroelectric power",
   "Electricity from moving water"
  ],
  [
   "Geothermal energy",
   "Heat from inside the Earth"
  ],
  [
   "Biomass",
   "Energy from burning plants or waste"
  ],
  [
   "Biofuel",
   "Fuel made from plants, like ethanol"
  ],
  [
   "Tidal energy",
   "Energy from the rise and fall of ocean tides"
  ],
  [
   "Nuclear power",
   "Electricity from splitting atoms in a reactor"
  ],
  [
   "Uranium",
   "The fuel used in most nuclear plants"
  ],
  [
   "Photovoltaic cell",
   "A solar cell that makes electricity from light"
  ],
  [
   "Turbine",
   "A wheel that spins to run a generator"
  ],
  [
   "Generator",
   "A machine that turns motion into electricity"
  ],
  [
   "Power plant",
   "A facility that makes electricity"
  ],
  [
   "Energy conservation",
   "Using less energy"
  ],
  [
   "Energy efficiency",
   "Getting the same job done using less energy"
  ],
  [
   "Greenhouse gas",
   "A gas that traps heat in the atmosphere, such as carbon dioxide"
  ],
  [
   "Sun's energy source",
   "Nuclear fusion of hydrogen into helium"
  ],
  [
   "Law of conservation of energy",
   "Energy is never made or destroyed, only changed"
  ],
  [
   "Where does most of Earth's energy come from?",
   "The Sun"
  ],
  [
   "Joule",
   "The unit of energy"
  ],
  [
   "Watt",
   "A rate of energy use, one joule per second"
  ],
  [
   "Kilowatt-hour",
   "A unit of electrical energy used on a power bill"
  ],
  [
   "Calorie",
   "A unit of energy in food (the Calorie on labels is 1,000 small calories)"
  ],
  [
   "Grid",
   "The network that delivers electricity to homes"
  ],
  [
   "Battery",
   "Stores chemical energy and gives electrical energy"
  ],
  [
   "Fuel cell",
   "A device that makes electricity from a reaction such as hydrogen with oxygen"
  ],
  [
   "Wasted energy",
   "Energy that ends up as unwanted heat"
  ],
  [
   "Insulation",
   "Material that slows heat loss"
  ],
  [
   "LED",
   "A light bulb that uses much less energy than an old incandescent bulb"
  ],
  [
   "Passive solar",
   "Using building design to gather the Sun's heat"
  ],
  [
   "Smart meter",
   "A meter that tracks electricity use in detail"
  ]
 ]
}