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In this bilingual (English/Spanish) activity, learners create family trees by tracing the hands of their family members.

In this activity, learners construct drawing machines using a cup, some markers, and a battery pack. The markers act as "legs" for the machine, making a drawing that records as it moves.

In this guided discussion activity, learners watch a video about Central Africa's Lower Congo River, one of the most biologically diverse rivers in the world.

In this neuroscience activity (5th activity on the page), learners explore their sense of touch without using their senses of vision and hearing.

Are fingers the only place on the body where we use our sense of touch? In this activity (6th activity on the page), learners test the touch sensitivity of different parts of the body.

In this activity, learners explore Charles' Law in a syringe.

In this hands-on activity, learners track and record the passage of colored "pompom traits" through three generations of gingerbread people.

In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.

In this activity, learners are challenged to track and record the passage of colored pom poms (representing genes) through generations of a family using a pedigree.

In this activity (4th on the page), learners conduct a series of tests to find out which of their ears is more dominant.

In this activity, learners will explore trends in Canada goose populations using real data from the National Audubon Society's Christmas Bird Count.

This is a quick and simple demonstration about reflexes (fourth activity on the page). One learner stands behind a see-through barrier like a window or wire screen.

This experiment allows learners to experience a small scale "epidemic," demonstrating the ease with which disease organisms are spread, and enables learners to determine the originator of the "epidemi

In this activity, learners play a guessing game to explore classification.

In this physics activity, challenge learners to make a rubber band-powered spool racer. Demonstrate principles of motion as well as potential and kinetic energy.

This is an activity (located on page 3 of the PDF under Self-Assembly Activity) about self-assembly, the ability of molecules to assemble themselves according to certain rules.

In this outdoor activity, learners use a mapping technique to become oriented to the major features of an outdoor site.

Learners experiment to see which colors of light will cause a phosphorescent (glow-in-the-dark) material to glow.

This activity (9th activity on the page) about hearing demonstrates to learners the importance of having two ears.

In this activity, learners apply a dissolving test to known crystals to identify the unknown. Since the unknown is chemically the same as one of the known crystals, it should dissolve similarly.