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In order to examine the random nature of mutations and natural selection, learners "breed" clutches of Egyptian Origami Birds (Avis papyrus) using random number generators (dice and coins) to mutate s

In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way.

Learners examine the manufacturing process while they make picture frames from cereal boxes.

In this activity, pairs of learners model how scientists use craters to determine the ages of lunar surfaces. One partner keeps time while the other creates a painting for the other to interpret.

In this activity, learners explore why animals, specifically dinosaurs, live in families.

In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.

In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.

In this activity, learners explore sound by constructing their very own instruments using PVC pipes, soda bottles, and a straw.

Build your own version of a favorite carnival game, in which a marble races down a maze consisting of rows of nails.

In this activity (located on page 10 of the PDF), learners explore the properties of spraying and dripping water, while making art.

In this technology activity, learners light up the room with electrifying play dough creations. Learners use conductive and insulating homemade play dough to build simple circuits.

In this activity, learners make or use pre-made clay beams to scale and proportion. Specifically, they discover that when you scale up proportionally (i.e.

In this activity, learners build a seesaw powered by magnets.

In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

In this technology activity, learners build simple circuits, design soft circuits using conductive thread, and then sew switch-activated circuits.

Learners draw comic-style pictures to show the water cycle. From a starting picture, one learner draws what happens to the water in the next panel, then passes the comic strip to another learner.

In this activity, learners explore sound by constructing an instrument using some metal pipes, rubber bands, and a baseboard.

In this activity (located on page 5 of PDF), learners work in groups to create dig sites for display.

This is an activity exploring color and color mixing.

In this activity, learners construct a traditional handicraft toy that illustrates a motion commonly associated with violins and earthquakes.