Page 57 - science

Look at things moving in water and wind

In this lesson you will learn what causes things
to move. Key words

move

A sailboat uses the wind to move. speed up/
slow down

Science fact

Racing sailboats can move at speeds
of up to 28 kilometres per hour. That’s

pretty fast.

Racing a sailing boat

Your teacher will give you a model sailing boat.

1 Float the boat in a water tray.

Pretend to be the wind. Blow on the boat to

make it move.

Make the boat start, speed up, slow down

and stop, using your breath.

2 Take it in turns to make the boat move.

Who can make the boat move the fastest?

Stretch zone

Was it harder to make the boat start or to make it stop?

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■ For more activities, go to Workbook 1 page 58.