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...
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...