tap in classroom. Children watch and wonder why. Teacher questions
children and establish what children know already about water. Teacher
leads children with questions of how we could find out ourselves,
what we already know, or how we could learn more.
Set up laptop
and data projector. Insert CD Rom and click on Al's Kitchen.
it - observing what happens to materials when temperature is lowered
Does it dissolve in water - which materials dissolve or do not dissolve
Ice, water and steam
the mouse children can see experiments carried out on screen. These
experiments show what happens to materials before and after the
change process eg what happens to materials when temperature is
27 shows different forms of water.
We see water:
as a liquid ; as a solid coming out of freezer; as a gas coming
out of a boiling pot.
We see how
water expands when frozen; how water condenses; how water evaporates
Click on pictures for results of experiments.
Fill plastic bottle with water and put in freezer. Observe what
happens over time.
Dissolve salt in water. Leave to evaporate. Observe what happens.
Fill two different containers with water - one bottle and one saucer/plate.
Observe rates of evaporation.