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Tuesday 26 March 2013

Hilda-Rose learns about cogs.


What I learnt about Cogs  


Cogs are used in toys.
They are shaped like a circle and have teeth on the outside.

Cogs can be used for movement on any object, like a toy.


So yesterday we made a cog ourselves. We had to buddy up with a partner and I chose my best friend obviously. We were given a piece of cardboard to make our cog. We drew a perfect circle then we drew the teeth and cut out the shape of the cog. It didn't take time to finish our project. We tried them out and they worked perfectly.

1 comments:

Unknown said...

Thank you for sharing your story about cogs . It really shows your learning. Where do you find cogs?

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