Summative Test 2 Quarter 3

What is a periodic disturbance that moves away from the source and carries energy?

• Vibration

• Motion

• medium

• wave

Which of the following term describes how fast a wave is moving through a medium?

• Frequency

• Amplitude

• Wavelength

• Wave speed

When the frequency of a wave increases, what happens to the wavelength?

• The wavelength is not directly affected by the frequency of a wave.

• The wavelength increases

• The wavelength decreases

• Nothing happens

The wave in lake are 10 meters in length and pass an anchored boat 2.50 seconds apart. What is the speed of the wave?

• 4.00 m/s

• 25 m/s

• 12.50 m/s

• 7.50 m/s

What type of wave is sound?

• transverse

• longitudinal

• surface

• all of the above

Which of the following objects will produce sound?

• Soft objects

• Vibrating objects

• Hard objects

• Objects under pressure

In which of the following materials does sound travel fastest?

• Solid

• Liquid

• Gas

• Vacuum

Which of the following refers to the highness or lowness of sound?

• amplitude

• timbre

• pitch

• quality

How does the frequency of wave A differ from the frequency of wave B?

• Wave A have lower frequency than wave B.

• Wave A have higher frequency than wave B.

• Wave A have the same frequency with wave B.

• Their frequencies cannot be compared

What determines the amplitude of the sound wave?

• Low and High of sound

• Soft and Loud of sound

• Low and Soft of sound

• High and Loud of sound