8th 2nd Quarter Nine Weeks Review 24

Front

What is an astronomical unit?

Back

The average distance between the Earth and the Sun.

Front

What part of the electromagnetic spectrum is used to measure temperature using light?

Back

Infrared radiation.

Front

What color do we see when a material absorbs all visible light?

Back

Black.

Front

How many stars are in our solar system?

Back

One.

Front

If an object appears black, what does this mean about the visible light spectrum?

Back

All 7 colors of the visible light spectrum are absorbed.

Front

What is the definition of infrared radiation?

Back

A type of electromagnetic radiation with wavelengths longer than visible light, used for thermal imaging.

Front

What is the primary source of light in our solar system?

Back

The Sun.

Front

What happens to light when it is reflected?

Back

It bounces off the surface of an object.

Front

What is the visible light spectrum?

Back

The range of wavelengths of light that can be seen by the human eye.

Front

What is the significance of the speed of light in space?

Back

It is the fastest speed at which information or matter can travel in the universe.