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In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach.

Learners use a candle to investigate the products of combustion. When a glass rod is held over a lit candle, the candle flame deposits carbon on the rod.

This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.

In this activity, learners simulate what happens to a human spine in space by making Sponge Spool Spines (alternating sponge pieces and spools threaded on a pipe cleaner).

Learners explore water adhesion and learn about why water molecules are more strongly attracted to some substances than others.