Unit 5 Test - Light

Front

What is reflection in terms of light?

Back

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

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, such as from air to water.

Front

What happens to light when it hits a mirror?

Back

Light reflects off the mirror, allowing us to see our image.

Front

Why do objects appear distorted when viewed underwater?

Back

Objects appear distorted due to the refraction of light as it passes from water to air.

Front

What is the law of reflection?

Back

The angle of incidence is equal to the angle of reflection.

Front

What is absorption in the context of light?

Back

Absorption is when light is taken in by an object and not reflected or transmitted.

Front

What is the difference between transparent, translucent, and opaque materials?

Back

Transparent materials allow light to pass through clearly, translucent materials allow some light to pass but scatter it, and opaque materials do not allow light to pass through.

Front

How does light travel?

Back

Light travels in straight lines until it hits an object.

Front

What is a shadow?

Back

A shadow is formed when an object blocks light from reaching a surface.

Front

What is the role of light in seeing objects?

Back

We see objects because they reflect light into our eyes.