Curated OER
Investigating the Response of Worms to Soil Improvers
The worms crawl in, the worms crawl out, but do they care what soil is all about? Find out in an easy and fun controlled experiment. Have your young biologists hypothesize, test, and draw conclusions about which type of soil worms...
Curated OER
Cloning a Living Organism
It's the attack of the clones! Not to worry; these are just plant clones. Teen horticulturalists will enjoy growing their own clone into a plant in an activity designed to be revisited after a few weeks. It is one experiment that kids...
Curated OER
Brine Date
Have you been wondering what to do with that aquarium full of brine shrimp? This activity has teens sea monkeying around with measurement, observations, and hypothesizing about the mating behaviors of these little critters. If you do not...
NOAA
What's New?
Biodiversity in some areas is more diverse than one might think. Using a two-day lesson, pupils consider the biodiversity of the Hudson Canyon and the characteristics of one organism. They begin with an analysis of the common earthworm...
US Department of Energy
Solar Distiller
Explore the sun's ability to distill contaminated water with this simple set of classroom experiments. After filling two glass bowls, one with muddy water and the other with salt water, they are covered with plastic wrap and placed in...
Michigan Sea Grant
Wetlands
Wetlands may not sound particularly ornate, but they are as important as any habitat! With a hands-on activity, young scientists build a wetland model and observe its many functions in action. They discover the importance of wetlands to...
Alabama Learning Exchange
What Burns When a Candle Burns? an Introduction to Using the Scientific Method
Middle schoolers use the scientific method to discover the role of a candle's wick and how radiation allows candle wax to change from solid to liquid to gas. They work in small groups to use the steps of the scientific method approach in...
Michigan Sea Grant
Water Quality
Learners observe water samples and measure the samples' water quality. Students develop their own criteria for measuring water quality and test for temperature, acidity, oxygen levels, turbidity, conductance, sediment and hardness.