Project/problem based learning is a great way to teach science and have your students learn through discovery. This bundle includes PBLs that teach force and motion, ecosystems, and meteorology. In the force and motion PBL, students design a roller coaster to illustrate different key content vocabulary. While doing the meteorology PBL, students research different locations in the world and create a weather report script. In the ecosystem project they will research the causes and effects as well