(3.9) Environments

Third graders explore the effect of environments and environmental changes on the organisms that inhabit them.

(3.9A) Characteristics of Environments

Tags: Science Lessons, Third Grade, Life, environment, population, communities, ecosystem
(3.9B) Energy Flow

Tags: Science Lessons, Third Grade, Life, food chain, food web, ecosystem, interdependence, energy
(3.9C) Effects of Environmental Changes on Ecosystems

Tags: Science Lessons, Third Grade, Life, flood, environment, drought