Light

Front

What happens to light when it passes from air into water?

Back

Light is refracted when it passes from air into water.

Tags

NGSS.MS-PS4-2

Front

What does the term 'artificial' mean in the context of light sources?

Back

Artificial means made by humans.

Front

What color of light is absorbed by a green leaf?

Back

All colors are absorbed except green.

Tags

NGSS.MS-LS1-6

Front

What are examples of natural sources of light?

Back

Natural sources of light include the sun, stars, and fire.

Front

How does light travel through empty space?

Back

Light travels in a straight line without stopping.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What is the difference between natural and artificial light sources?

Back

Natural light sources occur in nature (e.g., the sun), while artificial light sources are created by humans (e.g., light bulbs).

Tags

NGSS.MS-LS1-6

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 (or about 186,282 miles per second).

Tags

NGSS.HS-PS4-1

Front

What is the role of chlorophyll in plants regarding light?

Back

Chlorophyll absorbs light energy, primarily in the blue and red wavelengths, and reflects green light.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is the principle of light traveling in straight lines called?

Back

The principle is known as the rectilinear propagation of light.