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Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.

In this activity, learners sort different natural phenomena into categories (they occur on Earth, on the Moon, or on both), and then model how energy moves during a quake using spring toys.

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

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

Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?

Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.