Unit Review

What is the definition of potential energy?

• Energy of motion and movement

• Energy that is stored

• Energy that gets power from the sun

• Energy that is converted to solar energy

Ball B has more ____ energy than ball C

You are mad at Mr. Wilkinson. You see him at the bottom of a hill and want to roll a ball down in the hopes that it hits him. Which hill would you want to roll your ball down down to make sure he gets hit the hardest? Explain how you know.

Which ball has more potential energy than ball C. Check all that apply.

• B

• D

• E

• G

• A

Which graph shows an object not moving? How do you know?

SPICEY: Explain why Ball A has more potential energy than Ball E. Be ready to share out with the class to defend your answer!

Does the arrow have potential energy or kinetic?

• Potential

• Kinetic

Where is the arrow getting its potential energy from?

• Gravity pushing the arrow forward

• The man pulling the arrow back

• Solar energy from the sun

• Thermal energy

What is constant speed?

• When an object is traveling at different speeds over time

• When an object is not moving at all

• When an object is traveling equal distance in an equal amount of time

• When an object is traveling faster and faster over time

What is acceleration?

• When an object is traveling at different speeds over time

• When an object is not moving at all

• When an object is traveling equal distance in an equal amount of time

• When an object is traveling faster and faster over time