Search Results

In this activity, learners will model the mechanical weathering and erosion of rocks in a stream or river.

Visitors observe three beakers. One beaker contains an egg immersed in vinegar. Visitors observe carbon dioxide gas escaping from the shell as the calcium carbonate reacts with the vinegar.

In this activity, learners will explore globes of frozen water to learn how to ask and then answer 'investigable' questions. The activity web page includes a short video demonstration.

Learners work in groups to construct bridges using stale marshmallows and toothpicks.

This activity uses Jell-O(R) to introduce learners to microfluidics, the flow of fluids through microscopic channels.

Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans.