WHAT IS SOUND?

STARTER - PARTICLES

TODAY

• Know what sounds are and how they are caused?
• Understand that sounds need particles in order to move?
• Apply the particle model to explain differences in sound travel?
• How would you describe this sound?

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USE A DEVICE TO MAKE SOUND

LEARNING CHECK

• Know what sounds are and how they are caused?
• Understand that sounds need particles in order to move?
• Apply the particle model to explain differences in sound travel?

STRING CUPS

• In pairs! And spread out
• Talk to each other quietly
• Remember what was said
• What happens when string is slack.
• Write it down in your book

EXPLAINING SOUND

WRITE YOUR EXPLANATION

LEARNING CHECK

• Know what sounds are and how they are caused?
• Understand that sounds need particles in order to move?
• Apply the particle model to explain differences in sound travel?

AND IN LIQUIDS?

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BELL JAR

FINAL CHECK