G4 Q2 final revision

In General Sound waves travel the fastest in __________

• solid
• liquid
• Gas
• plasma

In General Sound waves travel the slowest in __________

• solid
• liquid
• Gas
• Plasma

A reflected sound wave is called a(n) ______.

• frequency

• pitch

• echo

• rarefaction

Way in which sound waves are used by animals such as dolphins and bats.

• Echolocation

• Transverse

• Doppler Effect

• Longitudinal

Sound is made when a source of energy forces the matter around it to __________.

• Vibrate

• Amplitude

• Stay still

• Pitch

Sound waves CANNOT travel through which of these:

• Paper

• Milk

• Outer space

Which one has a higher pitch?

• Cello

• Violin

Which one has a lower pitch?

• Cello

• Violin

Which one is louder?

• Cello

• Violin

• They have the same loudness

Which sound wave has low pitch?

• a

• b

• c

• d