5 - Energy Changes in Chemical Reactions
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
Define exothermic reaction in your own words.
💡 Hint: Think about reactions that produce warmth.
Give an example of an endothermic reaction.
💡 Hint: Consider what plants need to make their food.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What type of reaction releases heat?
💡 Hint: Think about what makes a reaction feel warm.
Photosynthesis is an example of which type of reaction?
💡 Hint: Consider what plants need to grow.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You conduct an experiment where you mix certain chemicals and notice the temperature drops significantly. Discuss whether this reaction is endothermic or exothermic and why.
💡 Hint: Try to think about what happens to heat in such cold reactions.
Explain how understanding energy changes can help in real-world scenarios, such as in specific industries.
💡 Hint: Consider applications in cooking, heating, and energy production.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.