Sink or float
With a large vat of water, drop a number of household items in/ fruits etc to see if they sink or float. Hold the item, beavers run to sink, float, or both, stations marked on the floor. ( the both station relates to say a plate, which slid into the water sinks, but gently lowered onto the water floats.
water and loads of stuff/fruits etc....
- experiment badge
- Experiment - Predict