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This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.

In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

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 activity, learners build a kite out of paper, change it, and try to make it fly even better. With their new knowledge of kite making, students can then go on to create their own kite designs.

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

In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.