Materials Investigation
Discover the properties materials by investigating a mix of wacky and familiar objects to find out what they are made from and why this material was chosen. Carry out an investigation into which material is the hardest.
Risk Assessment
| Activity | Hazard | Precaution | Risk |
|---|---|---|---|
| Cups | Cuts if glass or ceramic cups are broken | Clear up any breakage immediately | Very low |
| Which material and why? | Knife | • children are supervised • table knife used | Very low |
| Jewelry - potential choke hazard | • children alerted to danger and warned not to put anything in their mouths in lab | Very low | |
| Natural and man made | Brick could cause injury if dropped | No need to move brick off the table for activity | Very low |
| Hardness investigation | Minor cuts from metal squares | • Safety precautions discussed before activity • Children supervised in small groups activity | Low |
| Injury from dropped punch | Punches to be dropped down tubes |


