Bring chemistry and climate science to life with this ready-to-use worksheet and answer key on combustion, the carbon cycle, and the greenhouse effect. Designed for middle and high school science students, this resource combines clear explanations, practice activities, and critical thinking questions. What’s Included: Student worksheet (definitions, equations, true/false, mix-and-match, short answers) Engaging tasks: story of a carbon atom, think-pair-share, analogy questions “Cloud in a Jar