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Energy
Test Description: Review Questions
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
Kepler's law
B
The law of negative energy
C
Avogadro's law
D
The law of conservation of energy
2) Energy transformations occur as energy changes from one form to another. As these transformations occur, which of the following happens?
A
heat is given off
B
pressure decreases
C
mass is combusted
D
pressure increases
3) If energy decreases in one part of a system, what will happen?
A
Energy will be destroyed in the system.
B
Energy will be created 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
electromagnetic energy
B
geothermal energy
C
mechanical energy
D
electrical 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 electromagnetic
C
chemical to electrical
D
electrical to chemical
6) An example of ________ energy is food since it can be stored and used later.
A
kinetic
B
potential
C
chemical
D
B and C
7) The energy that moving objects have is called ________ energy.
A
chemical
B
B and C
C
kinetic
D
potential
8) Stored energy is called _________________.
A
potential
B
kinetic
C
electromagnetic
D
heat
9) Which of the following has the most kinetic energy?
A
a small child moving slowly on a tricycle
B
a helicopter getting ready to take off from the top of a tall building
C
a bus stopped at a red light
D
a player hanging on the rim after dunking a basketball
10) A large mass resting a meter off the ground could have as much ________ energy as a smaller mass resting from a greater height.
A
kinetic
B
gravitational
C
gravitational potential
D
potential
*select an answer for all questions
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