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What is energy? Energy, in short, is simply the ability by which people and things can work. It is the ability to change and/or move matter. The study of energy is performed by physicists. They study the energy’s forces and effects.
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There are a number of different types of energy that include potential energy (or stored energy), kinetic energy (the motion of objects), thermal energy (caused when there is a sharp change in temperature), chemical energy (caused when a substance is transformed through a chemical reaction), nuclear energy (is energy associated with an atomic reaction), mechanical energy (is the sum of potential energy and kinetic energy) and electrical or electromagnetic energy (changes that are caused by the flow of charged ions or electrons through a current).
The energy in matter can cause the matter to change. For example, if you (the mass) stand still at the street corner waiting for the traffic light to turn red, you have potential energy. The potential energy is the ability to move forward across the street but by standing still, that potential energy is being stored.
Law of Conservation of Energy:
According to the Law of Conservation of Energy, energy is neither created nor destroyed. Rather, energy can only be converted from one form of energy to another form of energy.
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1.
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If you are sitting down at a table, not moving, what kind of energy exists? |
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| [ ] |
Stored energy |
| [ ] |
Thermal energy |
| [ ] |
Kinetic energy |
| [ ] |
Electrical energy |
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2.
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This is the form of energy an object has as it is moving. |
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| [ ] |
Thermal energy |
| [ ] |
Kinetic energy |
| [ ] |
Potential energy |
| [ ] |
Stored energy |
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3.
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Energy is never ______________. |
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| [ ] |
balanced |
| [ ] |
without mass |
| [ ] |
stationary |
| [ ] |
created or destroyed |
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4.
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Energy is the ability to __________. |
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| [ ] |
create |
| [ ] |
change or move matter |
| [ ] |
transform |
| [ ] |
reproduce |
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5.
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Looking at the following list of objects, which would be using kinetic energy? |
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| [ ] |
A docked boat |
| [ ] |
A willow tree |
| [ ] |
Falling leaves |
| [ ] |
A sleeping cat |
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6.
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Looking at the following list of objects, which would be using thermal energy? |
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| [ ] |
Melting butter |
| [ ] |
Snow sled |
| [ ] |
Chocolate chip cookies |
| [ ] |
Green salad |
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7.
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Who studies energy? |
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| [ ] |
Engineers |
| [ ] |
Doctors |
| [ ] |
Archeologists |
| [ ] |
Physicists |
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8.
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Looking at the following list of objects, which would be using chemical energy? |
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| [ ] |
Pogo stick |
| [ ] |
Thermometer |
| [ ] |
Baseball bat |
| [ ] |
Ice cream |
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9.
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Energy can only be ____________. |
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| [ ] |
converted from one form of energy to another form of energy |
| [ ] |
electrical or mechanical |
| [ ] |
positive or negative |
| [ ] |
created and destroyed |
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10.
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Electrical or electromagnetic energy occurs when there is __________. |
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| [ ] |
a sharp change in temperature |
| [ ] |
a change in a substance due to a chemical reaction |
| [ ] |
a flow of charge ions or electrons through a current |
| [ ] |
an atomic reaction |
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|
1.
|
If you are sitting down at a table, not moving, what kind of energy exists? |
|
| [x] |
Stored energy |
| [ ] |
Thermal energy |
| [ ] |
Kinetic energy |
| [ ] |
Electrical energy |
|
|
|
2.
|
This is the form of energy an object has as it is moving. |
|
| [ ] |
Thermal energy |
| [x] |
Kinetic energy |
| [ ] |
Potential energy |
| [ ] |
Stored energy |
|
|
|
3.
|
Energy is never ______________. |
|
| [ ] |
balanced |
| [ ] |
without mass |
| [ ] |
stationary |
| [x] |
created or destroyed |
|
|
|
4.
|
Energy is the ability to __________. |
|
| [ ] |
create |
| [x] |
change or move matter |
| [ ] |
transform |
| [ ] |
reproduce |
|
|
|
5.
|
Looking at the following list of objects, which would be using kinetic energy? |
|
| [ ] |
A docked boat |
| [ ] |
A willow tree |
| [x] |
Falling leaves |
| [ ] |
A sleeping cat |
|
|
|
6.
|
Looking at the following list of objects, which would be using thermal energy? |
|
| [x] |
Melting butter |
| [ ] |
Snow sled |
| [ ] |
Chocolate chip cookies |
| [ ] |
Green salad |
|
|
|
7.
|
Who studies energy? |
|
| [ ] |
Engineers |
| [ ] |
Doctors |
| [ ] |
Archeologists |
| [x] |
Physicists |
|
|
|
8.
|
Looking at the following list of objects, which would be using chemical energy? |
|
| [ ] |
Pogo stick |
| [x] |
Thermometer |
| [ ] |
Baseball bat |
| [ ] |
Ice cream |
|
|
|
9.
|
Energy can only be ____________. |
|
| [x] |
converted from one form of energy to another form of energy |
| [ ] |
electrical or mechanical |
| [ ] |
positive or negative |
| [ ] |
created and destroyed |
|
|
|
10.
|
Electrical or electromagnetic energy occurs when there is __________. |
|
| [ ] |
a sharp change in temperature |
| [ ] |
a change in a substance due to a chemical reaction |
| [x] |
a flow of charge ions or electrons through a current |
| [ ] |
an atomic reaction |
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