In this activity children dissolve salt in water to make a saturated solution and investigate evaporation on the size of salt crystals grown.
In this activity children find out how the melting of glaciers can increase the sea levels and what the implications may be.
In this activity children will investigate ways of measuring sunshine and discuss the validity of these methods.
In this activity children will learn about how rainbows are formed and the importance of the Sun as a source of light.
Please note that this is just an extract, to get the complete article please see CLEAPSS Primary Science and Technology Issue 66.