Students investigate different materials and their relative densities. They consider how changes in shape make a difference to the property of a material.
- properties of materials
- careful handling of materials
- using observations to make predictions
Prior learning required
Further study ideas
- Mystery: Eggs which float in salt water but sink in pure water – can students work out what the trick is?
- Mystery: Raisins in lemonade – why do they float and then sink again?