Forms of Energy

1.  Sound can’t travel through liquids.

• True
• False

Tags

NGSS.MS-PS4-2

1.  Sound travels through gas.

• True
• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

1. Sound travels fastest through gases (air).

• True

• False

Sound is caused by? 

• force
• vibrations
• instruments

Many people ride a bicycle for fun and exercise. Some people ride a bicycle to work because it saves money and benefits the environment by reducing the use of fossil fuel.

Which of the following is NOT an example of a use of mechanical energy?

• The pedals, gears, and chain help turn the wheels

• The wheels turn when the bicycle moves.

• The front wheel guides the bicycle as it moves.

• The reflector allows the bicycle to be seen at the night.

Energy of motion is which type of energy?

• Light

• Mechanical

• Sound

• Gravitational

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Light travels

• around corners
• in a straight line

Tags

NGSS.4-PS4-1

Light bounces when it is 

• reflected
• absorbed
• refracted

Tags

NGSS.MS-PS4-2

Light bends when it is 

• refracted
• reflected
• absorbed

Tags

NGSS.MS-PS4-2

Jenny poured some hot chocolate into a cup and stirred it with a metal spoon.  She noticed the spoon was really warm.  What is the best explanation for this?

• The spoon is a conductor.
• The spoon reflects heat.
• The spoon is an insulator.
• She touched the spoon first and waited to touch the cup.

Tags

NGSS.MS-PS1-4