
Help your students build real understanding of evidence for energy direction through ninety questions that move from basic recognition to genuine reasoning about chemistry concepts.
Among the ninety questions, students will see prompts such as "Which of the following indicates an exothermic reaction has occurred?", "How can you tell a reaction is exothermic by observing the surroundings?", and "Which observation would indicate an endothermic reaction?"
Each worksheet reviews the same core ideas from a different angle. Use them across a week or unit so students see the material three times without it ever feeling repetitive.
This set is part of a standards aligned chemistry unit. The unit also covers Heat Energy and Particle Level, Tracking Energy Changes in Matter, Reading Heating Curves for Energy, Phase Changes and Energy, Endothermic and Exothermic, and Bond Breaking and Bond Forming, all in the same three worksheet format, so your classroom routine stays familiar while the topic changes.
Suitable for Grade 9-12 chemistry classes, and for review at any point in the school year. This set is aligned to Virginia SOL standard CH.7c.



