Materials may be natural or man-made. They may exist as solids, liquids and gases, and as a mixture of states.
In this activity children use the exciting space mission to understand the concept of orbits and to link this to their understanding of gravity.
In this activity children will investigate the process of evaporation by designing an investigation that can be done in the classroom or playground.
<p>In this activity children are asked to work out a recipe for a new chocolate bar.</p>
In this activity children argue why a hydrogen-powered plane will be better for the environment and learn about other gases and their uses.