Understand/demonstrate the difference water/air make
How to fill a syringe and pipe with water
Consider uses of hydraulics in DT projects
Equipment
Pairs of syringes with connecting pipe (3 boxes with 40+ pairs per box – comfortably enough for 1 per child in the year group or more if working on a project in groups)
Pictures of hydraulics in use
Cups of water for filling
How to fill system
Fill one syringe
Connect tube
Push syringe to fill the tube
Put tube in water and pull to fill the syringe and tube