- A tub filled with water, corks, pencils, paper clips, crayons, pieces of wood, marbles, plastic spoons, bar of soap, Styrofoam, aluminum foil, commercial playdoh.
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- Understand vocab: sink, float, heavy, light. observe, predict, conclusion
- Observe and discuss general properties of each item, and predict whether it might float or sink.
- After testing, talk about why it sank or floated.
- Make “boats’’ from foil and/or Styrofoam, and place items in the boats. What happens? Why?
- How can you make a ball of commercial playdoh float?
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- Try this with various kinds of fruit and vegetables
- Categorize items in various ways – e.g. size, material, buoyancy, weight, etc on a divided paper. Label and read.
- Create boats from pop sticks, sponges, plastic baggies, plastic lids, paper and cardboard – be creative!
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