NASA
Lava Layering: Making and Mapping a Volcano
Looking for an out-of-this-world volcanic activity? Geologists study Earth's volcanic history and the neighboring planet Mars by modeling volcanic eruptions, lava flows, and building a shield volcano. Participants use graph paper and...
Curated OER
Pollution Search
First graders identify forms of pollution and describe effects that various pollutants can have on people, wildlife, and plants; students describe relationships between various forms of pollution and human actions.