Energy Review

The ____ energy of an object increases with its height.

• chemical potential

• kinetic

• thermal

• gravitational potential

Tags

NGSS.MS-PS3-2

An object that has kinetic energy must be

• lifted above Earth’s surface

• in motion

• at rest

• changing direction

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

The law of ____ states that energy in a system can change forms but can never be created or destroyed.

• conservation of energy

• consecration of energy

• conversion of energy

• construction of energy

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-3

How much force is required to lift a rock a vertical distance of 8 m if 80 J of work were done?

• 80 J

• 80 N

• 10 J

• 10 N

Energy stored in food would be considered

• chemical potential

• kinetic

• thermal

• gravitational potential

Green plants convert light energy from the sun into ____ during photosynthesis.

• gravitational potential energy

• chemical potential energy

• thermal energy

• mechanical energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

A constant force of 2.0 N is used to push a box 4.0 m across the floor. How much work is done?

• 6 J

• 8 J

• 12 J

• 24 J

Tags

NGSS.MS-PS2-2

The rate at which work is done is ____

• power

• force

• efficiency

• momentum

A material that resists/limits the flow of heat by conduction, convection, and radiation is a(n) ____.

• conductor

• insulator

• radiator

• generator

Tags

NGSS.MS-PS3-3

In the diagram to the right, a roller coaster car starts from rest and moves along the track. At which point does the roller coaster car have the greatest potential energy?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-2