Level 5 Safety check of school based on characteristics of materials. Playground hardness - natural v. manmade. Thermal insulation in a compost bin. Devising fair tests to compare different compost bins. Testing for conductivity and uses.
Liquids have weight and volume.
Weighing a gas. Third Year - Term 1 Programme of Study Physical processes 3. Light makes shadows. The Earth, Sun and Moon are approximately spherical. The Sun's position in the sky - how shadows change.