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This is a chemistry lab activity about solutions (page 6 of the PDF). Students make a limewater testing solution for carbon dioxide and explore the concepts of solubility and precipitates.

In this activity, learners investigate the sense of sight and develop and conduct their own experiments.

This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.

In this design challenge activity, learners invent a pinball-like game where a kick stick hits a ping pong ball into a target that buzzes.

In this health and genetics activity, learners determine whether tasting the bitter compound PTC (phenylthiocarbamide) influences which vegetables a person likes.

In this activity, learners explore how engineers have improved roofing designs and materials in order to protect the contents of buildings.

In this outdoor activity/field trip, learners locate and study plants and animals in several freshwater pond habitats.

In this activity, learners design, build, test and redesign a display tower that will meet a specific set of criteria and constraints.

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.

In this fun, hands-on autumn activity, learners experiment to discover whether the colored substances in leaves can be separated from the leaves.

In this activity on page 3 of the PDF, learners visualize the relative size and structural differences between microbes that have the potential to cause disease.

In this demonstration, learners watch as a device drops a ball into a cup without touching the ball or cup, even though the ball and cup are virtually side-by-side.

In this activity (page 2 of PDF under GPS: Garbology Activity), learners will prepare sheets of homemade recycled paper from several different source pulps.

In this activity, learners cook amino acids and sugar to explore the range of aromas released.

In this series of activities (page 5), students are introduced to the design process.

In this activity on page 3 of the PDF, learners discover how science and Halloween are fun companions as they make paper bleed.

The purpose of this plant biotechnology activity is to demonstrate the effect of changes in the environment on the growth and fertility of landscape grasses and crop grasses such as wheat and rice.

In this environmental engineering activity, learners build windmills using everyday items. The first challenge is to build windmills that spin when placed in front of a fan.