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In this activity, learners make models representing bones on Earth and bones that have been in space. They discover what happens to bones without proper exercise and nutrition.

This quick demonstration (on page 11 of PDF) allows learners to understand why scientists think water ice could remain frozen in always-dark craters at the poles of the Moon.

In this activity, learners will explore the dynamics of air pressure by using a candle, a cup, and a dish of water.

In this activity, learners model hot spot island formation, orientation and progression with condiments.

In this activity, learners will explore what a constellation is and make their own.

In this optics activity, learners make a lens and explore how the eye manipulates the light that enters it.

In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.

In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

In this activity, learners will create their very own constellation.

In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere.