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
Freezing Cracks
Fourth graders examine how weather events cause weathering of the Earth's surface and how freezing water creates cracks and broken rocks over time. They observe what happens when a jar full of water is frozen overnight, and record their...
Curated OER
Weathering Rocks
Fourth graders investigate what natural events cause rocks to break apart and differentiate between erosion and weathering. They conduct an experiment with plaster of paris to observe why some rocks are hard and others break, and...
Curated OER
The Grand Canyon
Fourth graders study the Grand Canyon. They research the Grand Canyon and locate the Colorado River on the map of Arizona. They discuss erosion and read how sedimentary rock was formed. They view photographs of the Grand Canyon and...
Curated OER
Cloud Viewer
Fourth graders examine different types of clouds. In this cloud lesson plan, 4th graders examine pictures of different types of clouds and read details about them in the captions under the images. They make a cloud viewer by cutting out...