S8P4E

What is causing you to be able to see two sets of mountains in this picture? 

• refraction of light

• reflection of light

• transmission of light

• absorption of light

Which statement correctly describes BOTH sound and light waves?

• Light waves travel slower than sound waves.

• Light and sound waves both travel as mechanical waves.

• Light waves can travel through water, sound waves cannot.

• Light waves can travel through a vacuum, sound waves cannot.

An echo is a(n) ________________ sound wave.

• transervse

• refracted

• absorbed

• reflected

Tags

NGSS.MS-PS4-2

If a material absorbs all frequencies of light waves EXCEPT green, what color will be perceived by the observer?

• Green

• White

• Black

• Yellow

Tags

NGSS.MS-PS4-2

Which of the following demonstrates the result of waves travelling at different speeds when moving from one medium to another?

• The absence of any sounds in outer space

• The bending of light when it goes from air to water

• The movement of ocean currents as Earth rotates

• The up and down motion of a coiled metal spring

Tags

NGSS.MS-PS4-2

S8P4e In which medium would sound waves travel fastest?

• nitrogen gas

• liquid kerosene

• solid iron

• liquid water

Wave A and Wave B have the same frequency and wavelength. Wave A has a greater amplitude than Wave B. Which statement best compares the two waves?

• Wave A has more energy than Wave B

• Wave B has more energy than Wave A

• Wave B transmits energy through matter, while Wave A does not

• Wave A transmits energy through matter, while Wave B does not

Tags

NGSS.MS-PS4-1

A musician is playing an electric guitar. She turns a knob to increase the amplitude of the sound wave produced. How does the sound change?

• the pitch increases

• the pitch decreases

• the volume increases

• the volume decreases

Tags

NGSS.MS-PS4-1

The chart above shows the range of wavelengths for different types of electromagnetic waves. Use the data in the chart to answer the question: Which of the waves transmits the least energy?

• gamma rays

• x-rays

• ultraviolet light

• visible light

Tags

NGSS.HS-PS4-1

Which of the following best describes the nature of sound waves?

• Transverse waves

• Longitudinal waves

• Electromagnetic waves

• Surface waves

Tags

NGSS.MS-PS4-2