Light

Front

What is infrared light used for?

Back

Infrared light can be used to identify heat signatures of people lost in the wilderness.

Front

What happens to light when it is refracted?

Back

Light bends when it is refracted.

Front

What is the peak of a wave called?

Back

The peak of a wave is called the crest.

Front

What type of light is emitted by sunlight and tanning beds?

Back

Ultraviolet (UV) light is emitted by sunlight, tanning beds, and plant lights.

Front

What is the distance between two crests or two troughs of a wave called?

Back

The distance between waves is called the wavelength.

Front

What is the definition of wavelength?

Back

Wavelength is the distance between two consecutive crests or troughs of a wave.

Front

What is the definition of amplitude in a wave?

Back

Amplitude is the height of the wave from the rest position to the crest.

Front

What is the difference between reflection and refraction?

Back

Reflection is when light bounces off a surface, while refraction is when light bends as it passes through different mediums.

Front

What type of light can cause sunburn?

Back

Ultraviolet (UV) light can cause sunburn.

Front

What is the trough of a wave?

Back

The trough is the lowest point of a wave.