Learners predict the behavior of coffee in a cup while it is dropped during a demonstration. They relate their observations to the weightless conditions that astronauts experience in space and discuss the concept of free-fall.

Students use a coffee cup to demonstrate weightlessness. After a lecture/demo, students read an article on free-fall. They perform a simple experiment which helps them explain the concept of weightlessness.

Students explore the life cycles of insects and how they interact with each other in the prairie to create a healthy ecosystem and viable food chain. They list animals or insects in their own community that are similar to the prairie...