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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

In this challenge, learners figure out how to make a juice stain disappear.

In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.

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