The mini Science kits provide the non-specialist teacher with the time and confidence to engage children in various practical activities. Each kit focuses on a particular Science unit of the QCA Guidelines for Key Stage 2 and contains user friendly components and teacher's guide. Each kit can be used with up to 3 children. This kit has resources for many lessons, including:. Cleaning water. Evaporation. What makes a solid dissolve more quickly?. Temperature and the effects on dissolving. Mixing materials. What changes occur when materials are mixed?. Changing materials.