Soundwaves

What does vibrate mean?

• a type of energy that you can hear
• how loud or soft a sound is
• how high or low a sound is
• to move back and forth quickly

Sound is caused by? 

• force
• vibrations
• instruments

What is the name of the waves in which sound travels?

• pulling waves
• complementary waves
• transverse waves
• compression waves

What might you say to this boy who is yelling?

• "Lower your sound wave amplitude!"
• "Lower your sound wave frequency!"
• "Increase your sound wave frequency!"
• "Increase you sound wave amplitude!"

What is being shown by the line between the tops of the waves in figure (a)?

• Amplitude
• Direction
• Trough
• Wavelength

A scientist in a sound lab is counting the number of troughs of sound waves that pass every second. What is she measuring?

• Amplitute
• Wave frequency
• Wave height
• Wavelength

Area where air is pushed together by vibrations

• speed of sound
• compression
• pitch
• sound waves

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

The measure of energy a wave carries

• sound wave
• wavelength
• amplitude
• pitch

Measure of the distance from the point on one wave to the same point on the next wave.

• loudness
• wavelength
• compression
• pitch