Curated OER
The Nitrogen Cycle
The nitrogen cycle is the focus of a well-designed science lesson. In it, learners see that plants and animals produce waste products and decompose after death. Many of the waste products include nitrogen which is absobed by other...
Curated OER
Circle of Life
Here is a well-designed science lesson plan that shows learners that everything that organisms do in ecosystems, including running, breathing, burrowing, growing, requires energy. After a thorough discussion of their own eating and...
Desert Museum
Daisy Ecology
Here's a fine lesson that combines poetry with life sciences. Learners carefully listen to a poem that's all about a food chain. As the poem is read, learners name the producer, the herbivore, the carnivore, and the omnivore. Lots of...
Curated OER
Water Pollution
Fifth graders study the impact of human activity on water quality and on the ecosystems of Earth. After a discussion on the various ways that water can be polluted, groups of youngsters get together to figure out the best way to clean a...