Core Knowledge Foundation
Cycles in Nature Tell It Again!™ Read-Aloud Anthology
A read-aloud anthology offers stories all about nature's life cycles. Over three weeks, second graders listen to and discuss tales about the cycles of daytime, nighttime, seasons, plants, trees, frogs, butterflies, and water. Following...
Curated OER
Mealworms
Crawl into the world of the darkling beetle with this scientific investigation. Watch as the insects move through the larval, pupal, and adult stages of life, recording observations along the way. Discuss the necessities of life as young...
BioEd Online
Butterflies in Space
How does gravity affect the life cycle of a butterfly? Learn first-hand what types of investigations astronauts perform in space by following along with one of NASA's experiments. Create butterfly habitats in the classroom with specific...