Buoyancy

Buoyancy on PhotoPeach



Buoyancy by Lyvia

First Mrs Brieseman gave plasticine to our table group. We rolled it up into a ball and put it in a container of water. It sunk. After that we flattened it down and tried to float that but it sunk too. Then we folded the sides up like a boat and that floated because the air had something to carry it in. Air doesn't sink. Boats float because they can hold air even though they can be heavy.

Buoyancy by Caroline

First we rolled up the plasticine and put it in the water. It sunk because there was no air. Then we made it flat with sides. It still sunk because there was a hole! Then we fixed the hole. Then we put the sides up more. Then it floated – yay!! We floated 2 marbles on our boat. It really needed sides to float.

Buoyancy by Nikora

First my group got plasticine. We rolled the plasticine into a ball and put it in the water. It sunk because it didn’t hold any air. Then we flattened the plasticine and tried to float that. It sunk too. Then we put sides on to make it look like a boat. It sunk because we had holes in it. Me and my group covered up the holes one by one and our boat floated.