US Geological Survey
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...
Curated OER
Water Filtration
As an example of nature's water filtering system, young ecologists conduct an experiment in the lab. They construct a funnel out of a plastic bottle, fill it with specified layers of materials that simulate layers of soil, then run muddy...
Curated OER
Nitrogen Cycle-Stream Side Science
A thorough background and nitrate sampling lab sheet are provided to share with your young scientists. After discussing the nitrogen cycle with the class, you will break them into small groups and show them how to use their inquiry...
Curated OER
WET Science Lesson #11: How Light Affects Water
Scientists listen to the story of Wadja Egnankou who works to save African mangrove forests. They experiment with refraction and the introduction of particulate matter to water. They conclude with creative writing about the need for a...
Michigan Sea Grant
Fish Life Cycle
Fish are no different when it comes to a living being's primary objective—to reproduce. They do differ, including from fish species to fish species, in their life cycles, survival tactics and reproductive strategies. After discussion of...
Curated OER
Water Table
Students study the meaning of a water table and how it contributes to the existence of streams, swamps, and lakes in Nebraska. They conduct an experiment and complete a diagram of the hydrologic cycle.