CK-12 Foundation
Natural Selection: Peppered Moths
Can human activity influence the colors of moths? The simulation explains how pollution changed the color of tree bark, which led to the survival of a different variation of moths. It also discusses the shift back as air quality improves.
Curated OER
Natural Resource Wars - who will be the winner
In this natural resources worksheet, students read articles about natural resources and write an essay about the issue they choose. Students answer 4 questions in their essay.
Curated OER
Tree Inventory and Map Project
In this tree inventory and map project worksheet, students follow the directions on how to take inventories of trees and create a map from it. Students follow 4 sets of directions.