Energy Review-7th grade

The diagram below shows a swinging pendulum ball. Where does the ball have the most potential energy?

• Positions 2 and 3

• Positions 1 and 4

• Positions 3 and 4

• Positions 1 and 2

Tags

NGSS.MS-PS3-2

The following diagram shows books on a shelf. The books with the most potential energy are located on shelf number ____.

• Shelf #1

• Shelf #2

• Shelf #3

• Shelf #4

Tags

NGSS.MS-PS3-2

The Law of Conservation of Energy states that:

• Energy can run out, but it can change forms first

• Energy is dependent on mass

• Energy is neither created nor destroyed, but can change forms

• The larger they are, the harder they fall

Tags

NGSS.MS-PS3-5

Mechanical energy is best described as…

• A combination of Potential and Kinetic Energy

• When Kinetic Energy doubles

• When an object’s energy increases due to it’s mass

• The energy required to activate an object’s energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

You get on the Intimidator at Carowinds. Your potential energy is highest:

• At the bottom of the first hill

• At the top of the first hill

• At the bottom of the final hill

• At the top of the final hill

Tags

NGSS.MS-PS3-2

What kind of energy change occurs when a battery is operating a remote control toy?

• Heat energy is changed to light energy

• Potential energy is changed to kinetic energy

• Light energy is changed to heat energy

• Kinetic energy is changed to chemical energy

Tags

NGSS.MS-PS3-5

The picture shows a can opener being operated. Which form of energy is most likely used to open the can?

• Thermal

• Chemical

• Electrical

• mechanical

Tags

NGSS.MS-PS3-5

Energy is _________________

• The ability to change forms

• The ability to combine potential and kinetic

• The ability to do work

• The ability to move something

Tags

NGSS.MS-PS3-5

You turn on your chromebook. Which of the following is not a likely form of energy you will see?

• Chemical

• Electrical

• Radiant

• Thermal

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Electrical to Chemical

• Electrical to Radiant

• Chemical to Radiant

• Chemical to Electrical