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Shape Science

This activity went with our shape unit. 

It took me a little while to think of a shape science experiment. I had many ideas but I wanted it to be an experiment, not just an activity in the science category. 

I went with a shape container experiment. 


  • A circle container
  • A square container
  • Water 

For this experiment the two containers will have to be similar in size. 

I asked Little Dragon which container he thought held more water, the square or the circle. 
Before we made our hypothesis Little Dragon wanted to fully examine both containers to make his guess. I was impressed with his desire to make an educated guess so I helped him examine the containers. 

After checking the size difference, putting the containers inside eachother, and seeing which is taller he was ready to make his choice. 

After writing out our hypothesis we took our containers outside with a cup of water. 

We poured it into one container 

and then in the other. 

The results were very close. The shapes held just about the same amount of water but the square container ended up holding a tad bit more then the circle. A bit of water overflowed over the sides of the circle. 

Of course this is not an all squares hold more then squares experiment. But they were shapes and we did an experiment to determine which held more water. 

We finished by writing the results on the board

Thanks for reading and don't forget to have some fun with science! 


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