Exploring Light Waves in Physical Science

What is a wave?

• A disturbance that propagates through a medium

• A flow of water

• A type of wind

• A static object

Tags

NGSS.MS-PS4-1

What happens when a speaker shakes back and forth?

• It generates a disturbance that travels through the air

• It creates wind

• It remains stationary

• It moves air from one place to another

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How does a wave on the water surface behave?

• The disturbance travels across the surface

• The water moves from one side to the other

• The water evaporates

• The water remains still

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is the medium in the context of waves?

• A large object

• A small object

• The material through which a wave travels

• A type of wave

Tags

NGSS.MS-PS4-2

Why can't sound waves travel through space?

• Sound waves are too weak

• Space is too cold

• There is no air to carry the disturbance

• Space is too hot

How do astronauts communicate in space?

• By using hand signals

• By shouting

• Through radio waves

• By writing notes

What is always involved in a wave?

• A back and forth motion

• A stationary position

• A circular motion

• A linear motion

Tags

NGSS.MS-PS4-1

What does a high frequency oscillation mean?

• Few back and forth motions in a given time

• A lot of back and forth motions in a given time

• A single back and forth motion

• No motion at all

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

What is the frequency of the note middle C?

• 440 Hertz

• 128 Hertz

• 512 Hertz

• 256 Hertz

What does the unit Hertz represent?

• Oscillations per minute

• Oscillations per second

• Oscillations per hour

• Oscillations per day