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Mad Science - Wriggly Worms

What does a worm look like?

We thought and described them as long, thin, brown, lives in the ground.

Time to learn more about worms!

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A worm's body is completely made of muscle, they have no bones and are very strong. Worms drag their bodies though the soil. They have tiny eyes, a tiny mouth and tiny ears, infact their ears are tiny little holes on the side of their head. A worms body needs lots of moisture that is why they live underground in moist soil.

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What do worms eat?

Worms like to eat grass and leaves but they have no teeth. They cannot munch on grass stalks or leaves instead they suck the soil which has tiny pieces of grass and leaves in it as well as water. Worms have very clever tummies they digest all of the goodness from the soil which they turn into energy everthing else becomes waste which they excrete. This is good for the soil and it is why the worm is a gardeners best friend!

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To find out how hard it is for worms to eat food we tried to eat a dry cracker without using our teeth.

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It was incredibly hard and took a very long time!

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When a worm's body is stretched you can see through their skin. If you look very closely you can see dark patches, this is the soil travelling through their body.

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Animated Thank You Mad Science what a lot we have learnt about worms and what fun we have had!

Back to Science Week

 

 

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Christchurch Road, Tring, Hertfordshire HP23 4EE

Tel: 01442 823551 Email: admin@goldfield.herts.sch.uk

Headteacher: Mrs Debora Stevens