Light Unit Review

Front

What is reflection in terms of light?

Back

Reflection is the bouncing back of light when it hits a surface, such as a mirror.

Front

What type of energy is produced when sunlight strikes a solar panel?

Back

Radiant energy is produced when sunlight strikes a solar panel.

Front

How does light travel compared to sound?

Back

Light travels fastest without a medium, while sound travels fastest in solids.

Front

What is visible light?

Back

Visible light is a form of radiant energy that can be seen by the human eye.

Front

What technology transforms light energy into electrical energy?

Back

Solar panels transform light energy into electrical energy.

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 transparent and translucent materials?

Back

Transparent materials allow light to pass through clearly, while translucent materials allow some light to pass but scatter it.

Front

What is an example of radiant energy?

Back

Sunlight is an example of radiant energy.

Front

What happens to light when it hits a black surface?

Back

A black surface absorbs most of the light that hits it.

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.