Tenth graders are introduced to the cell and some of its parts. Through the use of video, 10th graders see animal and plants cells and their parts. They learn terms used to explain the cell.

Students harvest and thresh the seeds. They count the seeds and compare that number with the original number of seeds planted (8) to determine their profit or loss. Finally, students think about additional questions they have about...

Third graders examine soil samples and explore the what happens in each layer of the subsoil. They work in cooperative groups to create a scroll that shows what takes place in each layer, and discuss why much of the activity is in the...