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Alarming Clock

Topic: 5F Changing sounds

A "woodpecker clock" invented by a 22-year-old student has replaced the annoying clangs and buzzes of traditional alarms with a gentle tapping wake-up.

In this activity children will investigate how this clock works and determine how they would change the sound.

Large activity image
 

to generalise that when a sound is made something is vibrating

Children will demonstrate this by completing the task on page 1 successfully.

to state that a sound has reached them by travelling through solid e.g. brick, wood and gas (air)

Children will demonstrate this by completing the task on page 2 successfully.

to record e.g. in a table observations indicating how well sound travels through different materials

Children will demonstrate this by completing the task on page 3 successfully.

to generalise that sound can travel through solids, liquids and gases

Children will demonstrate this by completing the task on page 3 successfully.

 
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