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In this activity, learners try to figure out who has their matching rock type by reading a description of their rock (no talking!).

This fun and simple hands-on astronomy activity illustrates the value of supernovae in the universe.

In this goopy activity (page 2 of PDF under GPS: Glaciers Activity), learners will model glacial movement with “gak,” a white glue and liquid starch mixture.

In this activity, learners are asked to examine the differences between two materials in a pair.

In this simulation, learners act out each digestive function of the organs, tissues, and cells in the digestive tract.

Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

In this activity, learners examine the culture and history of the tomb site.

In this activity, learners explore nonrenewable resources and learn why these resources are finite.

Learners observe a flask with a balloon attached over the mouth and inverted inside the flask.

In this activity, learners create their own archaeological profiles.

Does yeast breathe? Find out by watching how plastic bags filled with yeast, warm water and different amounts of sugar change over time.

With a straw, two craft sticks, and some rubber bands, construct a noisemaker called a Sound Sandwich and explore how vibration produces sound.

In this activity, learners will observe and record living things with in outlined outside space.

In this activity, learners explore how engineering has developed various means to remove impurities from water.

This activity (located on page 3 of the PDF under GPS: Lava Flow Activity) is a full inquiry investigation into the relationship between an object’s mass and the distance it is thrown by a catapult.

Learners observe and compare the sizes of three toy “growing” crocodiles made from water-absorbent polymers. One is it its original state, dry, hard, and about 10cm long.

In this activity, leaners explore building techniques by recreating the story of The Three Little Pigs.

In this activity, learners are challenged to design and construct a trophy for prize-winning sports equipment.

This activity has learners observe water and compare it to other liquids.

The Let's Do Chemistry "Build a Battery" activity lets participants learn how batteries work and how materials behave, change, and interact by building their own simple battery out of metal and felt w