project day in the hall

 On project day we had lots of stuff to learn about.In the hall there were heaps of projects we had a pulley and our roommates had a leaver.there was ay project called air pressure and when you put 

The bottle in the hot cup the air starts to heat up the pressure and when you put it in the cold cup it will come down.our last roommates project was at most friction and medium friction and 

Fastest friction. Room 6 project was a basketball hoop and a shape of going down first you have to shoot the marble in the hoop and it will go down.