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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
Avogadro's law
B
The law of negative energy
C
The law of conservation of energy
D
Kepler'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
heat is given off
C
pressure decreases
D
mass is combusted
3) If energy decreases in one part of a system, what will happen?
A
Energy will increase in another part of the same system.
B
Energy will be destroyed in the system.
C
Energy will decrease in another part of the same system.
D
Energy will be created in the 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
electrical to electromagnetic
B
electrical to chemical
C
chemical to electrical
D
light to mechanical
6) _____________ is the ability to do work.
A
Energy
B
Power
C
Joules
D
Force
7) Which of the following has the most kinetic energy?
A
a player hanging on the rim after dunking a basketball.
B
a helicopter getting ready to take off from the top of a tall building.
C
a small child moving slowly on a tricycle.
D
a bus stopped at a red light.
8) Which of the following is not an example of chemical energy?
A
gold
B
wood
C
pop corn
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
changed
D
transformed
10) E=mc2 means that
A
Energy balances matter
B
The speed of light is energy
C
Matter can be converted into energy
D
Electricity equals matter
*select an answer for all questions
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