Thursday 15 March 2012

Gases all around us

 
We wanted to find out how much air there was inside the different sponges. By squeezing out the air and replacing it with water we could measure how much it could hold.


Then we tried to find out if air had weight so we put a ballon full of air on one side of the balance and an empty balloon on the other. This proved that air is matter and has weight.

Air is forced into the balloon under pressure, so it will be denser than the surrounding air - more particles will be squeezed in than the particles in the sme volume of air outside the balloon!



Changes of state of water




We did an experiment to find out how quickly the ice cube melted. We wondered if it would melt more quickly if we added salt to the ice cube.

The salt made the ice cube go very cold - but it melted more quickly!

Tuesday 13 March 2012

World Book day 2012
























Can you tell who we are dressed up as?

Duxford trip

Swifts had a lovely day out on 8th March. We went to Duxford. Mr Kelly told us all about the Battle of Britain and showed us films, pictures and artefacts. He told  us all about Duxford's role in the war and we had a look at the operations room which showed you what it was like in the war years.











A Lancaster Bomber





A 'Doodlebug'



Year 5 STEM Day

Year 5 had fun at High School working on some science and technology activities.

How quickly will the plasticene fall to the bottom of the cylinder?
What effect does the shape of the plasticene have on the speed of the fall?


Mr Gladwin showed the children how to make rockets.

They were fired into the air using air pressure.

This group won the competition to see who could make the tallest and strongest tower using straws and sellotape.
Well done!