Light & Color Review

Front

What is an opaque object?

Back

An opaque object is one that does not allow light to pass through. Examples include a brick wall and a wooden door.

Front

What are transparent materials?

Back

Transparent materials are those that allow light waves to pass through easily, such as clear glass or water.

Front

What type of wave is light?

Back

Light is an electromagnetic wave, which means it does not require a medium to travel through.

Front

Why does a blue shirt appear blue?

Back

A blue shirt appears blue because it reflects blue light and absorbs all other colors.

Front

Is visible light a form of radiation?

Back

True, visible light is a form of electromagnetic radiation.

Front

What is a translucent object?

Back

A translucent object allows some light to pass through but scatters it, making objects behind it appear blurry. Examples include frosted glass.

Front

What happens when light hits a mirror?

Back

When light hits a mirror, it reflects off the surface, allowing us to see our reflection.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light when it hits a surface, while refraction is the bending of light as it passes from one medium to another.

Front

What is the color of an object determined by?

Back

The color of an object is determined by the wavelengths of light it reflects and the wavelengths it absorbs.

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).