Unit 3: Waves - Unit Test Review

Front

What are waves that do NOT require a medium called?

Back

Electromagnetic waves.

Tags

NGSS.HS-PS4-3

Front

Which color of the visible light spectrum has the highest amount of energy?

Back

Violet.

Tags

NGSS.HS-PS4-4

Front

Why does green grass appear green?

Back

It reflects green light and absorbs all other colors.

Tags

NGSS.MS-PS4-2

Front

What two properties of a wave are affected by color?

Back

Wavelength and frequency.

Front

What happens to a light wave when it enters a new medium perpendicular to the surface?

Back

It refracts.

Tags

NGSS.MS-PS4-2

Front

Define wavelength in the context of waves.

Back

Wavelength is the distance between successive crests of a wave.

Front

What is frequency in relation to waves?

Back

Frequency is the number of waves that pass a point in one second.

Front

How does the speed of light change when it enters a different medium?

Back

The speed of light decreases when it enters a denser medium.

Tags

NGSS.HS-PS4-1

Front

What is the relationship between wavelength and frequency?

Back

They are inversely related; as wavelength increases, frequency decreases.

Tags

NGSS.HS-PS4-1

Front

What is the visible light spectrum?

Back

The range of electromagnetic radiation that can be seen by the human eye.