Curated OER
Smooth It Out
Fourth graders describe how weather events such as hard rains and floods cause weathering of the Earth's surface and rocks. They distinguish between erosion and weathering, and comprehend that water and friction show similar results in...
Curated OER
Measurement: When Degrees Matter
Eighth graders record the temperature change of the beakers. In this general science lesson, 8th graders create their own data table for recording observations. They discuss experimental results and cite real life applications.
Curated OER
Wacky Water Critters
Students visit a local creek or stream. They collect water samples from the creek and observe and sort the "water critters" they find in the sample, observing smaller organisms under a microscope if necessary. They identify each organism...