6th Grade Science - Energy

​Energy Practice and Review

Multiple Choice

A battery converts what type of energy to another?

• sound to kinetic
• light to heat
• mechanical to electrical
• chemical to electrical

Multiple Choice

A ball is released from rest at position 1.  The diagram shows the ball in four positions as it rolls along a track from left to right. In which position does the ball have its minimum gravitational potential energy and maximum kinetic energy?

• 1
• 2
• 3
• 4

Multiple Choice

What type of energy is stored in a stretched or compressed spring?

• Kinetic energy

• Gravitational potential energy

• Elastic potential energy

• Thermal energy

Multiple Choice

What is the energy transformation that occurs in an electric pencil sharpener?

• mechanical energy to electrical energy

• electrical energy to mechanical energy

• radiant energy to sound energy

• chemical energy to mechanical energy

Multiple Choice

In the classroom demonstration shown below, a rubber ball is dropped from Position 1. The ball bounces as shown. At which of these positions does the ball have both the greatest kinetic energy and the least potential energy?

• Position 1

• Position 2

• Position 3

• Position 4

Multiple Choice

At which point does the ball have the most potential energy?

• Position 1

• Position 2

• Position 3

• Position 4

Multiple Choice

Which statement correctly describes the cart's kinetic energy and gravitational potential energy?

• At point S, gravitational potential energy and kinetic energy are equal.

• At point R, both kinetic energy and gravitational potential energy are increasing.

• At point S, kinetic energy and gravitational potential energy both begin to decrease.

• At point R, kinetic energy is increasing and gravitational potential energy is decreasing.

Multiple Choice

Elastic potential energy is energy stored in an object, such as a spring, due to the object being stretched or compressed. In which position is it most likely that the spring has lost its elastic potential energy?

• W

• Y

• X

• Z

Multiple Choice

At what point on the image does the roller coaster car have the greatest gravitational potential energy?

• A

• B

• C

• D

Multiple Choice

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 

• The PE and KE increase and decrease together
• The PE decreases while the KE increases 
• Impossible to know without knowing the mass  

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident