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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 negative energy
B
The law of conservation of 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
pressure decreases
C
mass is combusted
D
heat is given off
3) If energy decreases in one part of a system, what will happen?
A
Energy will be destroyed in the system.
B
Energy will decrease in another part of the same system.
C
Energy will be created in the system.
D
Energy will increase in another part of the same system.
4) Which of the following types of energy originates below Earth's surface?
A
Electrical energy
B
Geothermal 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
light to mechanical
B
electrical to chemical
C
chemical to electrical
D
electrical to electromagnetic
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 small child moving slowly on a tricycle.
C
a bus stopped at a red light.
D
a player hanging on the rim after dunking a basketball.
8) Which of the following is not an example of chemical energy?
A
pop corn
B
gold
C
wood
D
gasoline
9) The law of the conservation of energy says that energy cannot be created and it cannot be --
A
used
B
destroyed
C
transformed
D
changed
10) E=mc2 means that
A
Energy balances matter
B
Matter can be converted into energy
C
Electricity equals matter
D
The speed of light is energy
*select an answer for all questions
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