Sound and Earth Science Quiz

What causes sound to be produced?

• Light reflection

• Object rotation

• Vibration of objects

• Heat transfer

Which of these is a natural source of sound?

• Airplane engine

• Birds singing

• Car horn

• Radio music

What happens when you pluck a rubber band?

• It changes color

• It vibrates and makes a sound

• It melts

• It stops moving

Which material would likely produce the lowest pitch sound?

• Thin string

• Small whistle

• Large drum

• Glass bottle

What term describes how high or low a sound is?

• Speed

• Volume

• Pitch

• Tempo

Which sound is most likely to have high volume?

• Whisper

• Shouting

• Raindrop

• Clock ticking

Which of the following demonstrates how vibration creates sound?

• Drawing with a pencil

• Running across grass

• Striking a drum

• Reading silently

When more of a ruler hangs off a desk and is flicked, what happens to the sound?

• It disappears

• The pitch becomes lower

• The ruler breaks

• The vibration stops

Which of these is an example of a man-made sound?

• Wind blowing

• Waterfall

• Dog barking

• Car engine

Volume is measured in which unit?

• Watts

• Decibels

• Litres

• Volts