1. Explain why chemical reactions occur. If you had to explain this to a classmate, what would you tell them? What would be the most important detail? How do chemical reactions look? (draw or describe)
2. Why do you think there are different types of chemical reactions? What do you notice about the different types of reactions? What makes them so different?
Video for Endothermic Reaction Task another Video here--use these to help you write at least 4 procedures, a Complete this first to get lab materials.