CA2 Revision

What is communication?

• Giving information

• singing a song

• waving hands

• jumping

What will baby birds do when they are hungry?

• Silent

• Chirp

• Fly

Animals can communicate by making sounds only.

• True

• False

Sound is a form of ____.

What is vibration?

• Vibration is when something moves back and fro.

• Vibration is making sounds.

• Vibration is shaking things.

When we talk, which part of our body vibrates?

What is pitch?

Fast vibration cause ___?

Slow vibration cause ___?

what is volume?