Waves and Electromagnetic Radiation - Test Review

Aria is using a prism to separate white light into its different colors. She notices that the colors spread out in a rainbow pattern. Which of these statements describes what Aria observes about visible light? Choose the TWO that apply.

• Red light has a longer distance between wave crests than blue light.

• Yellow light has a shorter distance between wave crests than green light.

• Blue light has a longer distance between wave crests than red light.

• Blue light has a shorter distance between wave crests than orange light.

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

Sophia observes a rainbow after a rainstorm. What is the name of the process that causes light to bend when it moves from air to water?

• absorption

• amplification

• reflection

• refraction

Tags

NGSS.MS-PS4-2

Grace is using a prism to split sunlight into its different colors. She wants to know which color of visible light has the highest frequency. Which color should she choose?

• Violet

• Red

• Yellow

• Green

Tags

NGSS.HS-PS4-1

Arrange the following colors in order from highest to lowest frequency: Red, Yellow, Blue, Orange, Violet, Green, Indigo.

• Violet, Indigo, Blue, Green, Yellow, Orange, Red

• Red, Orange, Yellow, Green, Blue, Indigo, Violet

• Blue, Green, Indigo, Violet, Red, Orange, Yellow

• Yellow, Orange, Red, Green, Indigo, Blue, Violet

When Mark yells across a large empty hall, he hears his voice coming back to him. What causes this phenomenon?

• The sound waves are absorbed by the walls.

• The sound waves are reflected by the walls.

• The sound waves travel faster in the hall.

• The sound waves are scattered by the air.

Tags

NGSS.MS-PS4-2

David is at a swimming pool and notices how things look and sound different underwater compared to above the water. Describe how light and sound waves are affected when they move from air to water.

• Both light and sound waves speed up when moving from air to water.

• Light waves slow down and sound waves speed up when moving from air to water.

• Light waves speed up and sound waves slow down when moving from air to water.

• Both light and sound waves slow down when moving from air to water.

Tags

NGSS.MS-PS4-2

Electromagnetic waves are used in many technological devices. Which of the following is an example of how energy from electromagnetic waves is used in technology, and what wave property is important for that example?

• Microwaves in microwave ovens; frequency is important for heating food.

• Sound waves in radios; amplitude is important for tuning stations.

• Water waves in hydroelectric dams; wavelength is important for generating electricity.

• Seismic waves in GPS devices; speed is important for navigation.

Tags

NGSS.MS-PS4-1

Sam is designing a model of a longitudinal sound wave for her science classroom. Which of the following pieces of information should Sam include in his model? Choose the two statements that apply.

• Sound must travel through a material (medium) to transfer energy.

• Sound must travel through a vacuum to transfer energy.

• Rarefaction and compression are properties of longitudinal waves.

• Crests and troughs are properties of longitudinal waves.

What is the term for the distance a wave travels before repeating?

• Frequency

• Wavelength

• Speed

• Amplitude

Which property of a wave is defined as the distance a wave travels in a certain amount of time?

• Frequency

• Wavelength

• Speed

• Amplitude