Introduction to Energy

Question 1

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

Revolt · Accepted Answer

They involve changes in energy.

Question 2

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

Revolt · Accepted Answer

kinetic

Question 3

Which statement best describes the work and energy in these examples?Example 1: Running a car requires gas.Example 2: Humans require food to live.

Revolt · Accepted Answer

The gas and food are examples of energy.

Question 4

Which statement best defines the relationship between work and energy?

Revolt · Accepted Answer

Work can transfer energy between objects and cause a change in the form of energy.

Question 5

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

Revolt · Accepted Answer

mechanical energy

Question 6

Gabriel is performing an experiment in which he is measuring the energy and work being done by a ball rolling down a hill. Which statement best describes Gabriel’s measurements?

Revolt · Accepted Answer

They will both be recorded in joules.

Question 7

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?

Revolt · Accepted Answer

gravitational potential energy

Question 8

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

Revolt · Accepted Answer

radiant

Question 9

Shondra takes notes in class.

Revolt · Accepted Answer

Switch "the energy of moving objects" and "the ability to do work" and place chemical energy under "Forms of energy."

Question 10

If Jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, what is being done?

Revolt · Accepted Answer

work

Introduction to Energy Answers

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