Y8 Physics Week 5

What type of energy is elastic energy?

• Kinetic Energy

• Potential Energy

• Chemical Energy

• Mechanical Energy

Which of the following shows an example of Potential Energy?

• A football flying through the air

• Two kids high-fiving

• A rock sitting on top of a high ledge

• A flashlight shining brightly

Tags

NGSS.MS-PS3-2

What is it called when two surfaces pass across one another creating heat?

• Thermal Energy

• Friction

• Motion Energy

• Photosynthesis

When rolling a marble down a ramp when does it have the most potential energy?

• At the bottom of the ramp

• While traveling down the ramp

• While being lifted to the top of the ramp

• At the top of the ramp

What is kinetic energy?

• moving energy

• potential energy

• stored energy

• renewable energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

At which point of the roller coaster is potential energy the greatest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

The faster an object moves, the ________ kinetic energy it has.

• more

• less

Tags

NGSS.MS-PS3-1

The law of conservation of energy states that when one form of energy is converted into another,

• energy is destroyed in the process
• no energy is destroyed in the process
• energy is created in the process
• some amount of energy cannot be accounted for

Tags

NGSS.HS-PS3-3

The process of energy changing from one form into another

• efficency
• law of conservation of energy
• energy transformation
• thermal energy

Tags

NGSS.MS-PS3-3

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NGSS.MS-PS3-5

Efficiency is...

• The percentage of energy that is actually used to do work
• The stuff in the walls that keeps energy in

Tags

NGSS.MS-PS3-5