Early-Years Science: Floating and Sinking
Goals
Investigate why things float or sink.
Introduce the idea of formulating and testing hypotheses.
You will need
- 1 large, waterproof container. E.g. a bucket, basin, or watertight box. A bath or sink will also work fine.
- A variety of objects of different shapes and sizes, and made out of different materials: stone, metal, plasic, wood. E.g. metal, plastic and wooden spoons of similar sizes; different size spoons; metal and plastic bottle tops; stones; corks; matchsticks.
- Plasticine or play-dough.
- A small plastic tub that fits in the big container.
Early-Years Science: Cress-Growing
Goals
Investigate what seeds and plants need to grow.
Introduce the basic idea of a controlled trial.
You will need
- cress seeds
- 4 trays (plastic food trays are perfect - remember to wash them throughly first!)
- 2 cardboard boxes (big enough for the trays to fit in)
- 4 pieces of kitchen roll, or enough cotton wool to line each tray