Between ball B and ball C, ball ____________ has LESS potential energy because_________________________

• B; its mass is greater

• B; its mass is smaller

• C; its mass is smaller

• C; its mass is larger

Tags

NGSS.MS-PS3-2

The Relationship of Potential Energy is that when ____________ increases or ____________ increases, Potential Energy will increase also

• Speed, Direction

• Weight, Height

• Mass, Velocity

• Volume, Mass

The Relationship of Kinetic Energy is that when ____________ increases or ____________ increases, Kinetic Energy will increase also.

• Weight, Height

• Mass, Height

• Mass, Velocity

• Speed, Direction

Tags

NGSS.MS-PS3-1

The picture shows a roller coaster car at two positions on the track. Which would be evidence of the conservation of energy?

• The energy of the car at X is half the energy of the car at Y

• The energy of the car at X is twice the energy of the car at Y.

• The energy of the car at X is the same as the energy of the car at Y.

• The energy of the car at X is destroyed by the time the car reaches Y

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A ball falls off the desk and hits the floor. Which situation explains what happens to the kinetic energy and gravitational potential energy of the ball as it falls?

• The gravitational potential energy and kinetic energy both increase

• The gravitational potential energy and kinetic energy both decrease.

• The gravitational potential energy increases, and kinetic energy decreases

• The gravitational potential energy decreases, and kinetic energy increases.

Tags

NGSS.MS-PS3-5

A student is investigating thermal energy transfer. The student touches a piece of metal to a hot object, causing the metal to heat up. Which process of thermal energy transfer is the student demonstrating?

• conduction

• convection

• radiation

• evaporation

Jackson uses a battery operated toothbrush that is rechargeable. What happens when Jackson plugs his toothbrush into an electrical outlet to recharge it?

• Chemical energy is transformed to sound energy.

• Chemical energy is transformed to kinetic energy

• Electrical energy is transformed to kinetic energy.

• Electrical energy is transformed to chemical energy.

Tags

NGSS.MS-PS3-5

Jeriah places two metal cubes in contact with each other. Energy and heat flow from Cube A to Cube B. What conclusion can be drawn regarding Cube A?

• It is larger than Cube B.

• It is warmer than Cube B

• It is cooler than Cube B

• It is smaller than Cube B.

Which beaker contains water with the GREATEST thermal energy?

• Beaker A

• Beaker B

• Beaker C

• Beaker D

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Carly is investigating the effects of heat transfer on molecular motion. She pours cold water into a beaker, places the beaker on top of a heat source, and turns on the heat. Her set up is shown in the image.

• convection

• radiation

• conduction

• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4