Chicago Botanic Garden
The Carbon Cycle
There is 30 percent more carbon in the atmosphere today than there was 150 years ago. The first lesson in the four-part series teaches classes about the carbon cycle. Over two to three days, classes make a model of the cycle, add missing...
America's Blood Centers
My Blood, Your Blood
Dracula isn't the only one who needs blood to survive. The eight-part unit includes seven lessons, five demonstrations, seven labs, and a project to organize a blood drive. Class members learn about the parts of blood, the form and...
PBS
Breaking it Down
After challenging themselves to correctly choose the form of erosion and length of time required for a given landform to develop, earth science class members model mechanical and chemical weathering with various lab demonstrations over...
Curated OER
Hazards: First Grade Lesson Plans and Activities
Examine the environmental hazards associated with volcanoes with a three-part science lesson. In the pre-lab, first graders learn that gas, landslides, ash, and lava are all hazards that come from volcanoes. They then explore hazardous...