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Before there were clocks, people used shadows to tell time. In this outdoor activity, learners will discover how to tell time using only a compass, a pencil, a handy printout, and a sunny day.

In this math activity, learners make their own bubble wands and determine if the size of the wand affects the number of bubbles it produces.

This is a tape and glue activity in which learners make binoculars that they can decorate and then use to go bird watching.

In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.

In this water activity, learners discover ways to move water across the water table.