SIE 5 sound and magnet

What is the different between magnet and magnetic materials?

How the sounds are made?

Pitch depends on the … of vibration

When an objects vibrate slowly, we hear … sound.

• low pitched

• high pitch

When an objects vibrate quickly , we hear … sound.

• low pitched

• high pitch

Why do sounds have different volumes?

The volume of sound depends on the … of vibration.

Sounds are made when objects vibrate.

What is vibration?

• a back and forth movement

• a cirucular movement

• an upward movement

What can happen when an object vibrates?

Choose two correct answers

• It can make the air particles around it to vibrate

• it does not affect the particles around it

• the vibration can travel through different types of matter

• the vibration cannot travel through solids

 Soft drink can is made of metal, but it is not attracted to magnets. Why?