Learners play a game. For this carbon cycle lesson, students read The Carbon Cycle, list places where carbon is found on Earth, brainstorm why carbon is important and play an online interactive game.

Learners examine the carbon dioxide cycle in the atmosphere. In this element lesson, students discuss the relationship between carbon dioxide on Earth and the plants that store it. Learners play a game to ensure their understanding. 

High schoolers will identify the factors that contribute to erosion and weathering. They will start by differentiating between chemical and mechanical weathering. They then apply what they learned by playing the online jeopardy game. Key...