S8P4D Light and Sound Waves

Front

What is a medium in the context of wave propagation?

Back

A medium is a substance or material through which waves travel, such as air, water, or solid materials.

Tags

NGSS.MS-PS4-2

Front

Which type of wave requires a medium to travel?

Back

Sound waves require a medium to travel.

Tags

NGSS.MS-PS4-2

Front

What happens to light when it hits a black object?

Back

A black object absorbs all colors of light and reflects none, making it appear black.

Tags

NGSS.MS-PS4-2

Front

What happens to light when it hits a red object?

Back

A red object reflects red light and absorbs other colors.

Tags

NGSS.MS-PS4-2

Front

What is the relationship between density and the speed of sound in water?

Back

Sound travels faster in denser mediums; therefore, sound travels faster in salt water than in fresh water due to its higher density.

Tags

NGSS.MS-PS4-2

Front

What are electromagnetic waves?

Back

Electromagnetic waves are waves that can travel through a vacuum or a physical medium, including visible light, radio waves, and X-rays.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS4-2

Front

Can electromagnetic waves travel through a vacuum?

Back

Yes, electromagnetic waves can travel through a vacuum.

Front

What is refraction of light?

Back

Refraction is the bending of light as it passes from one medium to another, changing its speed.

Tags

NGSS.MS-PS4-2

Front

What is diffraction of light?

Back

Diffraction is the bending of light waves around obstacles or through openings.

Tags

NGSS.MS-PS4-2

Front

What is the speed of sound in fresh water compared to salt water?

Back

Sound travels faster in salt water than in fresh water due to the higher density of salt water.

Tags

NGSS.MS-PS4-2