What are sounds made from?
Vibrations/Sound waves
What is the difference between loud sounds and quiet sounds? (vibrations)
Loud sounds have large vibrations, quiet sounds have small vibrations
Sound waves can only travel through a ________
Medium
What are the three mediums sound can travel through?
Liquid, air, gas
Sounds cannot travel through a ________
Vacuum
Sound travels faster through air than through water, true or false?
False. Sound travels 4x faster through water.
Is there sound in space? Explain.
No, because space is a giant empty vacuum with no air molecules.
Sing your favourite song. :-)
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What molecules vibrate to make sound?
Air molecules
What is the loudest place in school?
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