8.PS4.2

Front

What is a medium?

Back

The substance through which a wave can travel.

Front

What is refraction?

Back

The bending of light as it passes from one medium to another.

Front

What allows us to see objects around us?

Back

Light is being reflected off surfaces.

Front

Which of the following is not in the electromagnetic spectrum?

Back

Sound waves.

Front

What happens to sound waves when you scream into a pillow?

Back

The sound waves are absorbed.

Front

What is reflection?

Back

The bouncing back of a wave when it hits a surface.

Front

What is diffraction?

Back

The bending of waves around obstacles or through openings.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation.

Front

What is absorption in the context of waves?

Back

The process by which a wave's energy is taken in by a medium.

Front

What is the difference between reflection and refraction?

Back

Reflection is bouncing back of waves, while refraction is the bending of waves.