AnswersFL-2002040-MJ Comprehensive Science 1 A-CRUnit Test

Introduction to Energy Answers

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1
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Which statement best defines the relationship between work and energy?

A
Work can transfer energy between objects and increase radiant energy.
B
Work can transfer energy between objects and cause a change in the form of energy.
C
Work can transfer energy between objects and decrease nuclear energy.
D
Work can transfer energy between objects and cause a change in the amount of total energy.
2
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Abin is doing work by lifting a bowling ball. Which statement could be made about the energy in this situation?

A
Energy is being transferred from the ball to his arm muscles.
B
Energy is being transferred from his arm muscles to the ball.
C
Energy would be recorded in units of hertz and power.
D
Energy would change from potential to chemical.
3

The sun emits electromagnetic waves at many frequencies, but mostly in the infrared, visible, and ultraviolet spectrums. What kind of energy is this?

A
nuclear
B
radiant
C
thermal
D
chemical
4

Johanna is studying what happens to the energy as a ball rolls down a ramp. What is one form of energy that she is studying?

A
gravitational potential energy
B
electrical energy
C
chemical energy
D
elastic potential energy
5

Shondra takes notes in class.

Question illustration
A
Switch "the energy of moving objects" and "the ability to do work" and place chemical energy under "Forms of energy."
B
Switch "the energy of flowing electrical charges" and "the energy in a spring" and place kinetic energy under "Forms of energy."
C
Switch "the energy in the nuclei of atoms" and "the energy stored in objects'" and place nuclear energy under "Main categories of energy."
D
Switch "the energy from the Sun" and "the energy of a rock on a hill" and place electrical energy under "Main categories of energy."
6

Four people make observations recorded in the table.Which best describes what the observations have in common?

Question illustration
A
They involve nuclear energy.
B
They involve radiant energy.
C
They involve changes in waves.
D
They involve changes in energy.
7

What is the energy of an object because of its potential and kinetic energies?

A
chemical energy
B
electrical energy
C
nuclear energy
D
mechanical energy
8

What kind of energy involves the flow of charged particles?

A
thermal
B
radiant
C
electrical
D
nuclear
9

Which term describes the energy an object has because of its motion?

A
potential
B
nuclear
C
kinetic
D
thermal
10

How does work affect energy between objects so it can cause a change in the form of energy?

A
Work transfers energy.
B
Work changes energy.
C
Work increases energy.
D
Work decreases energy.

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