Curated OER
Human Power or Machine Power
Students compare different means for accomplishing tasks. They explain benefits and liabilities for the above different means. Exploration is studied in photos of laborers, animals and machines doing work.
Curated OER
Trash Count
Students identify pollution around their local community. They discuss the sources of polution and categorize objects based on their properties. They discover ways to make changes to the environment and how to inform the public.