Curated OER
Energy in Cells
In this biology worksheet, 9th graders explain how producers make their own food. Then they describe the food chain and what the end products are of respiration. Students also describe how muscles continue to get energy during high...
Curated OER
Gas Law Homework Problem Set
In this chemistry instructional activity, students determine the mass of the gas when filling a bicycle tire with nitrogen. Then they determine the volume of a balloon when at specific altitudes. Students also determine the partial...