8th Grade Summative #4 part 2 Light Review

Front

What color of light is absorbed by a yellow object?

Back

All colors except yellow.

Front

Why can't sound waves travel through space?

Back

Sound waves require a medium (like air or water) to travel through.

Front

What is the term for the bending of light as it passes from one medium to another?

Back

Refraction.

Front

What happens to the speed of light waves when they travel through a denser medium?

Back

The speed of light decreases.

Front

What type of lens is thicker in the middle than at the edges?

Back

Convex lens.

Front

What is the primary reason objects appear colored?

Back

Objects absorb certain wavelengths of light and reflect others.

Front

What is the relationship between the density of a medium and the speed of light?

Back

As the density of a medium increases, the speed of light decreases.

Front

What is the definition of a medium in the context of wave propagation?

Back

A medium is a substance through which waves can travel.

Front

What happens to light when it passes through a prism?

Back

It is refracted and dispersed into its component colors.

Front

What is the difference between a convex lens and a concave lens?

Back

A convex lens converges light rays, while a concave lens diverges them.