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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this math activity, learners observe and sketch cracking patterns in pavement.

In this online activity, learners adjust mountain snowfall and temperature to see how glaciers grow and shrink. They will use scientific tools to measure thickness, velocity and glacial budget.

In this activity on page 15 of the PDF, learners measure the amount of bubbles that they make using a detergent.

In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.