US Environmental Protection Agency
Thirstin's Wacky Water Adventure
Make a splash with young scientists as you teach them all about water using this activity packet. Thirstin, a cartoon glass of water, walks children through the water treatment process, teaches them about different sources of water, and...
NASA
The Case of the Wacky Water Cycle
Join the tree house detectives in learning about the processes of the water cycle, water conservation, water treatment, and water as a limited resource.
Curated OER
Extending the Acid/Base Concept
In this acid and base instructional activity, students answer 4 questions about the definitions of acids and bases. They illustrate the differences between Arrhenius and Bronsted acids and bases and draw Lewis diagrams for the formation...