Weekly Quiz: Potential and Kinetic Energy 4.PS3.2

Angela has a toy made out of a coil of wire. She places the toy at the top of some stairs. The toy can travel down each step, end-over-end. Which type of energy does the toy have when it is placed at the top of the stairs?

• electric

• kinetic

• magnetic

• potential

Barbara placed a marble at different places on a ramp. At which place will the marble have the most potential energy?

• A

• B

• C

• D

Ramon keeps some objects on his bookcase. All of the objects have the same mass. Based on the picture, which object in Ramon’s bookcase contains the most potential energy?

• Ball

• Vase

• Toy

• Book

Mrs. Pearson’s class is studying the amount of energy stored in objects. If the same rock is put in four different places, at which location will the rock have the most potential energy?

• On the ground

• On a shelf

• On top of a hill

• In a hole

The ram on a crane uses the force of kinetic energy to push a spike into the ground. From which position should the ram be released to have the greatest kinetic energy when it hits the spike?

• 1

• 2

• 3

• 4

Thomas watches an orange fall from a tree to the ground. Which best describes the flow of energy as the orange falls and hits the ground?

• Solar energy → Potential energy → Heat energy

• Potential energy → Sound energy → Heat energy

• Kinetic energy → Potential energy → Sound energy

• Potential energy → Kinetic energy → Sound energy

A student pushed a rock from the top of a hill. What type of energy change occurred after the rock was pushed?

• Heat energy was converted to potential energy.

• Electrical energy was converted to heat energy.

• Potential energy was converted to kinetic energy.

• Kinetic energy was converted to electrical energy.

Myra rides her bicycle as shown. At what point does Myra have the most potential energy?

• 1

• 2

• 3

• 4

What is potential energy?

• The energy an object has due to its motion.

• The energy an object has due to its position.

• The energy that increases the mass of an object.

• The energy that increases the temperature of an object.

Which is an example of kinetic energy?

• a book sitting on a shelf

• a ball rolling down a hill

• a runner about to start a race

• a window getting hot from the sun