Light Waves

Front

What is a light wave?

Back

A light wave is a type of electromagnetic wave that is visible to the human eye and is responsible for the sense of sight.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Front

What happens when a material absorbs energy from light?

Back

The energy causes the material to change, which can affect its temperature, color, or state.

Tags

NGSS.MS-PS1-4

Front

What type of light wave can cause sunburns?

Back

Ultraviolet (UV) light waves can cause sunburns and increase the risk of skin cancer.

Tags

NGSS.HS-PS4-4

Front

Can light travel through empty space?

Back

Yes, light can travel through empty space as well as through matter (gas, liquid, solid).

Front

What is the measurement from one wave crest to the next called?

Back

Wavelength.

Front

What is reflection in terms of light waves?

Back

Reflection is the bouncing back of light waves when they hit a surface.

Tags

NGSS.MS-PS4-2

Front

What is transmission in the context of light?

Back

Transmission is the passing of light through a material without being absorbed.

Tags

NGSS.MS-PS4-2

Front

What is absorption in relation to light waves?

Back

Absorption is when a material takes in light energy, which can cause a change in the material.

Tags

NGSS.MS-PS4-2

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second (km/s).

Front

What is the difference between visible light and ultraviolet light?

Back

Visible light is the part of the electromagnetic spectrum that can be seen by the human eye, while ultraviolet light is not visible and can cause skin damage.