Search Results

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 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?

In this ecology activity (page 8 of the PDF), learners explore how to filter contaminated water using a variety of materials.

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

This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.