Search Results

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

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

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.