Lessons 14-15 (p. 106-116)

Which statement about waves is true?

• All waves travel through a medium.

• All waves contain crests and troughs.

• All waves contain compressions and rarefactions.

• All waves transmit energy.

Tags

NGSS.MS-PS4-2

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 and 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

Which waves contain compressions and rarefactions?

• transverse waves

• longitudinal waves

• electromagnetic waves

• all waves.

A bell and a siren are producing sound waves. The sound wave produced by the bell has a low frequency. The siren has a high frequency. Based on this information, which of the following must be true?

• The sound wave produced by the bell has a shorter wavelength than the siren.

• The sound wave produced by the bell has a longer wavelength than the siren.

• The sound wave produced by the bell has a higher amplitude than the siren.

• The sound wave produced by the bell has a lower amplitude than the siren.

Tags

NGSS.MS-PS4-1

What kind of wave carries energy?

• transverse

• longitudinal

• both transverse and longitudinal

Tags

NGSS.MS-PS4-1

What kind of wave has crests?

• transverse

• longitudinal

• both transverse and longitudinal

Tags

NGSS.MS-PS4-1

Which wave has rarefactions?

• transverse

• longitudinal

• both transverse and longitudinal

Which type of wave has frequency as a characteristic?

• transverse

• longitudinal

• both transverse and longitudinal

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

What kind of wave is a sound wave?

• electromagnetic wave

• longitudinal wave

• transverse wave

• air wave

Tags

NGSS.MS-PS4-2