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In this activity learners will create paint out of natural materials. Explore your natural world (or your fridge) and find berries, leaves, or flowers to find a great base for your paint.

When was the last time you took a really close look at a leaf? In this activity, learners will use leaves and simple materials to make colorful leaf rubbings.

Learners use a mortar and pestle to extract clove oil from cloves using denatured alcohol. They put this oil on paper, which they can take home.

In this chemistry demonstration, acid rain is simulated in a petri dish.

Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.

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.

In this interactive game, learners listen to the songs of four different thrushes and then try to match each bird with its song.

In this online activity, learners discover how random variation influences biological evolution.

In this activity, learners interact with a 3-D model of a watershed to better understand the interconnectedness of terrestrial and aquatic environments.

Some bugs can walk on the surface of a lake, stream, river, pond or ocean.

In this activity, learners examine nanoscale structures of common things.

"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?