Light waves and Electromagnetic Spectrum

You are sitting in front of the window in front of your room. Describe what the light wave is doing as it hits the glass pane?

• A. The wave is being reflected; because the wave is speeding up.

• B. The wave is being refracted; because the wave is slowing down.

• C. The wave is being reflected; because the wave is slowing down.

• D. The wave is being refracted; because the wave is speeding up.

Which of these statements describes visible light? Choose the two that apply.

• A. Red light has a longer wavelength than blue light.

• B. Yellow light has a shorter wavelength than green light.

• C. Blue light has a longer wavelength than red light.

• D. Blue light has a shorter wavelength crests than orange light.

• E. Orange light has a shorter distance between wave crests than violet light.

When you wear glasses, they can _______ light. This occurs because when light enters into a new material such as the glass of your spectacles or water, it slows down and bends.

• reflect

• absorb

• transmit

• refract

When you look at a calm lake, the surface of the water can _______ light. This occurs because when light hits the surface of the lake and bounces back.

• reflect

• absorb

• transmit

• refract

At a science fair, a demonstration shows a prism splitting a beam of light. Which of the following statements made during the demonstration is FALSE?

• White light has no color

• White light has all colors

• White light can be split by refraction into many colors

• Many colors can be re-combined into white light

How do scientists classify the radiation from the sun into different categories?

• A. They classify it by the wavelength of the radiation.

• B. They classify it by the speed of each type of radiation.

• C. They classify it by the path the radiation takes through space.

• D. They classify it by the effect the radiation has on the organisms of Earth.

Hal researches how rainbows form. He learns that when light traveling through the air bends as it moves through water droplets, a rainbow forms. Which process names what happens when light is transmitted (passing through) from air to water during the formation of a rainbow?

• A. absorption

• B. amplification

• C. reflection

• D. refraction

Describe what happens to the speed of light waves when it move from air to water.

Describe what happens to the speed of sound waves when it move from air to water. 

Which of the following correctly identifies the three regions of the solar spectrum? (3 types of light)

• A. infrared, radio, ultraviolet

• B. radio, ultraviolet, visible

• C. ultraviolet, visible, infrared

• D. visible, infrared, radio