Energy Transformations

Question 1

What is one energy transformation that is taking place in the photo?

Revolt · Accepted Answer

radiant energy to chemical energy

Question 2

What are the two main types of energy?

Revolt · Accepted Answer

kinetic and potential

Question 3

What is nuclear energy?

Revolt · Accepted Answer

energy locked in the nucleus of an atom

Question 4

A number of energy transformations occur when water that is stored behind a dam is changed into electrical energy. For each step listed, identify the energy transformation.

Revolt · Accepted Answer

Lake water flows downward through tunnels.: potential to kinetic; Flowing water turns turbines.: kinetic to mechanical; Turbines generate electricity.: mechanical to electrical

Question 5

Identify the form of energy that matches each example.

Revolt · Accepted Answer

✔ radiant energy; Energy from electromagnetic waves:: radiant energy; Energy caused by changes in the structure of a nucleus:: nuclear energy; Energy resulting from movement and vibration of molecules:: thermal energy; Energy an object has because of its position:: potential energy

Question 6

kinetic energy✔ nuclear energypotential energy

Revolt · Accepted Answer

✔ nuclear energy

Question 7

radiant energy✔ thermal energykinetic energy

Revolt · Accepted Answer

✔ thermal energy

Question 8

✔ potential energymechanical energykinetic energy

Revolt · Accepted Answer

✔ potential energy

Question 9

Identify characteristics of energy from the Sun. Check all that apply.Almost all of the energy on Earth comes from the Sun.Energy from the Sun is known as mechanical energy.The energy in fossil fuels originally came from the Sun.Plants convert the energy of sunlight into chemical energy.

Revolt · Accepted Answer

Almost all of the energy on Earth comes from the Sun.; The energy in fossil fuels originally came from the Sun.; Plants convert the energy of sunlight into chemical energy.

Question 10

A number of energy transformations occur when water that is stored behind a dam is changed into electrical energy. For each step listed, identify the energy transformation.

Revolt · Accepted Answer

✔ potential to kinetic; Lake water flows downward through tunnels.: potential to kinetic; Flowing water turns turbines.: kinetic to mechanical; Turbines generate electricity.: mechanical to electrical

Energy Transformations Answers

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