Untitled Lesson

Open Ended

What is energy?

Multiple Choice

Which of the following is an example of energy transformation?

• A ball rolling to a stop and generating heat

• A book sitting on a table

• A pencil lying on the floor

• A closed box on a shelf

Multiple Choice

Which of the following factors affect an object's kinetic energy?

• Mass and speed

• Shape and color

• Temperature and volume

• Height and density

Open Ended

Explain how a skater on a ramp demonstrates both kinetic and potential energy as he moves from the top to the bottom.

Multiple Select

Which of the following are forms of energy that can be found in a pinball machine?

• Mechanical energy

• Sound energy

• Electromagnetic energy

• Chemical energy

Multiple Choice

Why is the chemical energy of a battery considered potential energy and not kinetic energy?

• Because it is stored and not in motion

• Because it is moving rapidly

• Because it is related to temperature

• Because it is a form of sound energy

Open Ended

Describe two ways space weather can affect technology on Earth.

Multiple Choice

Which of the following best describes an energy transformation?

• When energy is created from nothing

• When energy changes from one form to another

• When energy is destroyed

• When energy stays the same form

Open Ended

Describe how energy is transformed in a flashlight, using the diagram and explanation provided.

Multiple Select

Which of the following are examples of energy transformation?

• Chemical energy in food turning into kinetic energy when you move

• Electrical energy in a wire turning into light in a bulb

• Mechanical energy turning into sound and heat when you rub your hands

• All of the above

Multiple Choice

According to the law of conservation of energy, what happens to the total amount of energy in a closed system as energy transformations occur?

• It increases

• It decreases

• It remains the same

• It disappears

Open Ended

Name at least three types of energy associated with the microwave shown in the picture.

Multiple Choice

Which of the following is NOT a vocabulary term introduced in this lesson?

• energy

• kinetic energy

• potential energy

• thermal expansion

Open Ended

Summarize how energy is transformed in the example of fireworks as described in the lesson.