Sink or Float Predictions
Gather objects, predict whether each will sink or float, then test in a tub of water.
Educational Value
Introduces density and buoyancy.
Materials Needed
Step-by-Step Instructions
- 1
Show one object and ask: sink or float?
- 2
Place it in the water and observe.
- 3
Sort into two groups: sinkers and floaters.
- 4
Discuss why some float and others sink.
Sink or Float Predictions
Gather objects, predict whether each will sink or float, then test in a tub of water.
Educational Value
Introduces density and buoyancy.
Materials Needed
- Large bowl or tub of water
- Various small objects (cork, coin, toy, apple)
Instructions
- Show one object and ask: sink or float?
- Place it in the water and observe.
- Sort into two groups: sinkers and floaters.
- Discuss why some float and others sink.
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