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In this activity, learners will explore pi and the mathematical relationships between a circle's diameter, circumference, and radius.

In this activity, learners will create their own coral polyps - the basis for a coral reef.

In this activity, learners will engineer three different parachutes to test how well each one works.

In this activity, learners will engineer their own weather vane. This activity includes step-by-step instructions with pictures and a "What's Happening?" section explaining how the activity worked.

In this activity, learners will explore the water cycle by creating a small atmosphere.

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

In this activity, learners will discover how our universe is continuously expanding.

In this activity, learners will explore how light can refract or break apart into different colors.

In this activity, learners will explore how density is affected by temperature and how that can create currents.