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science chap. 3
Energy
| Question | Answer |
|---|---|
| the ability to cause a change | Energy |
| energy______include fuels,foods,wind,and coal | sources |
| all forms of energy can be______into other forms of energy. | transformed |
| the energy an object has because it is in motion is called______energy | kinetic |
| the amount of kinetic energy am object has depends on the____of the object | mass |
| the more mass a moving object has, the____kinetic energy it has | more |
| when electrons move, they have____energy and create an electric current | kinetic |
| ______is a form of kinetic energy that an electric current carries | electric energy |
| Stored energy, which depends on interactions among objects,particles,or atoms is called _____energy | potential |
| a type of potential energy stored in an object due to its height above earth's surface is called______potential energy | gravitational |
| Atoms are joined by chemical bonds; energy that is stored in and released from the bonds between atoms is called______energy | chemical |
| Burning fossil fuels _________ the chemical bonds that hold the atoms together. | break apart |
| when the chemical bonds break,some of the chemical energy in the burning fossil fuel is converted into _____energy | thermal |
| In the sun, the nuclei of atoms join in a process called ________which releases large amounts of energy | nuclear fusion |
| The energy stored in and released from the nucleus of an atom is known as ______energy | nuclear |
| In nuclear energy plants, the nuclei certain atoms, such as uranium, are broken apart in a process called_____,which produces large amounts of energy | fission |
| the process of nuclear_____produces energy as well as_______ waste. | fission, radioactive |
| ________ is the sum of the potential energy and the kinetic energy in a system of objects | Mechanical energy |
| the sum of the kinetic energy and the potential energy of the particles that make up an object is _____energy | thermal |
| Particles in Earth's interior contain great amounts of thermal energy, which is called______energy | geothermal |
| In geothermal energy plants, geothermal energy can be converted into_______energy. | electric |
Created by:
mnmoser
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