Curated OER
How Big is a Crowd?
Sixth graders compare the relative sizes of the five Great Lakes and their human populations. They describe some of the problems that arise when many people depend on a limited resoure. Students discuss how the Great Lakes and the...
Curated OER
Compost Tag
Students identify biodegradable items. For this environmental lesson, students participate in a game of tag. A student's name is called out along with a biodegradable item and the student is tossed a ball.
Curated OER
Craters!
Eighth graders examine the formation of craters. In this craters lesson plan, 8th graders discover the various energies involved in the formation of a crater, where you can find a crater in the Solar System, and observations of craters...