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

Learners will do an experiment to determine which type of paper is strongest while focusing on variables and collecting data.

In this activity, learners discover that it is difficult to trace a curve by using its reflection in a mirror. Use this activity to discuss how the brain works.

Extract your DNA from your very own cells! First, learners swish salt water in their mouth to collect cheek cells and spit the water into a glass.

In this trick, learners discover how to stick a straw to the palm of their hand, window door, or anywhere using static electricity.