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In this activity, learners test the rate of ripening fruit and vegetables and use a chemical to inhibit the ripening process.

In this activity learners observe mold growth on different types of bread by measuring and recording the growth rate.

This lesson will helps learners answer the question: How does the bombardment of micrometeoroids make regolith on the moon?

In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land.

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.