Curated OER
Food Webs
Fourth graders discover how organisms depend upon each other in an ecosystem. In this ecosystems lesson, 4th graders use food webs to discuss the interdependence between organisms in an ecosystem.
Curated OER
Water
Students examine water, its function and how much you should consume. In this water lesson students study water and why it is important, how much you should drink and what its functions are in your body.
Curated OER
Striking it Rich with Chemistry
Students identify the composition of different pennies. In this chemistry lesson, students use a post 1982 penny to observe chemical change. They explain how to turn a penny from copper to gold.