Curated OER
Pen Light Lab
Students study what makes Earth warm and explore how different locations on the planetreceive different amounts of solar energy based on the intensity of the sun's rays. They calculate light intensities and compare the
amounts of light...
Curated OER
Testing for Catalase Activity
In this catalase worksheet, students read about how enzymes work in cells. Then students conduct an experiment to test for catalase activity in potatoes. This worksheet has 1 graph and 6 short answer questions.
Curated OER
Underground Pollution
Fourth graders construct their own aquifer. They discover how water travels underwater and identifies sources of underground pollution. They record their observations and discuss the results.
Curated OER
Optional Laboratory: Soil Particle Size and Texture
Students work together to perform experiments on different types of soil. They record the soil's pH level, color and texture. They develop hypothesis' on what they believe they will discover before beginning the experiment.