Is It Clean or Just Unseen? Dirty Water and the Naked Eye
How dirty is the water you consume? Pupils investigate a contaminated water source to determine the bacterial cell count. They participate in a discussion once results are obtained and relate this to drinking water and health safety.
9th - 12th Science
The Water Cycle for Schools: Advanced Ages
Explore the water cycle in an interactive diagram of the process. The diagram shows how water is a moving system and constantly changing forms. The resourc includes vocabulary words that pupils click on in order to discover more about...
6th - 12th Science CCSS: Adaptable
How Sewage Treatment Works - Water Treatment
To flush or not to flush ... that is the question. Is the wastewater treatment program in most towns and cities really the most efficient way to deal with waste? The fourth installment in a series of seven videos about the world's water...
3 mins 9th - 12th Science
The Life Cycle of a T-Shirt
Did you know that 2,700 liters of water are required to produce just one t-shirt? Or that cotton uses more insecticides and pesticides than any other crop? An engaging video traces the cycle of t-shirt production from cotton bolls to the...
6 mins 3rd - 12th Science CCSS: Adaptable