KS3 Sound and Movement

P4.2: Sound travels FASTEST through which of these materials?

• Air

• Empty space

• Metal

• Water

P4.1: Sound is caused by?

• force

• vibrations

• instruments

P4.1: What is vibration?

• how loud a sound is

• the back and forth movement of matter

• how high or low a sound is

• the loudness or softness of a sound

P4.8: What is frequency?

• the number of vibrations per second

• how high or low a sound is

• the loudness or softness of a sound

• the back and forth movement of matter

P4.7: Sound is a form of?

• energy

• pitch

• volume

P4.1: Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.

• Sound does not travel faster through a solid than a gas.

• Solid molecules are packed tightly.

• Gas molecules move slowly.

P4.1: What medium does sound travel through slowest?

• gas

• solid

• liquid

• trees

P4.1: Sound does not travel in space because

• Space is too far away.

• There is no matter in space.

• Space is the final frontier

• Space has planets.

P4.8: The number of wavelengths that pass a point each second

• frequency

• wavelength

• pitch

• amplitude

A reflected sound wave is called?

• frequency

• pitch

• echo

• rarefaction