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Energy
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Which of the following laws best define this statement? The total amount of energy in a closed system stays the same.
A
The law of conservation of energy
B
The law of negative energy
C
Kepler's law
D
Avogadro's law
2) Energy transformations occur as energy changes from one form to another. As these transformations occur, which of the following happens?
A
pressure increases
B
mass is combusted
C
pressure decreases
D
heat is given off
3) If energy decreases in one part of a system, what will happen?
A
Energy will be created in the system.
B
Energy will be destroyed in the system.
C
Energy will increase in another part of the same system.
D
Energy will decrease in another part of the same system.
4) Which of the following types of energy originates below Earth's surface?
A
Geothermal energy
B
Electrical energy
C
Mechanical energy
D
Electromagnetic energy
5) What type of energy transfer is made possible by a nine-volt battery in a calculator?
A
electrical to electromagnetic
B
light to mechanical
C
chemical to electrical
D
electrical to chemical
6) _____________ is the ability to do work.
A
Energy
B
Force
C
Power
D
Joules
7) Which of the following has the most kinetic energy?
A
a helicopter getting ready to take off from the top of a tall building.
B
a player hanging on the rim after dunking a basketball.
C
a bus stopped at a red light.
D
a small child moving slowly on a tricycle.
8) Which of the following is not an example of chemical energy?
A
gasoline
B
pop corn
C
wood
D
gold
9) The law of the conservation of energy says that energy cannot be created and it cannot be --
A
destroyed
B
changed
C
transformed
D
used
10) E=mc2 means that
A
The speed of light is energy
B
Energy balances matter
C
Electricity equals matter
D
Matter can be converted into energy
*select an answer for all questions
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