Curated OER
Earth is Round?
Third graders discuss how Aristotle concluded that the Earth was round. As a class, they review theories about the Earth's shape and describe how life on Earth would be different if it were flat. Individually, they make a moon book in...
Curated OER
Constellation Mapping
Students plot constellations on a grid map. They discuss the various ways early explorers planned their travels. Students identify and recognize major constellations. They color their maps and take them home to try to find various...