2.4 - Energy Changes in Chemical Reactions
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Practice Questions
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What do exothermic reactions do?
💡 Hint: Think about what happens when you light a candle.
Give an example of an endothermic reaction.
💡 Hint: Consider how plants use sunlight.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of reaction releases heat?
💡 Hint: Consider how a burning candle feels warm.
True or False: Photosynthesis is an exothermic reaction.
💡 Hint: Think about what plants do with sunlight.
2 more questions available
Challenge Problems
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Design an experiment to demonstrate an exothermic reaction. What materials would you use, and what observations would you make?
💡 Hint: Think about safe and controlled combustion.
Explain how understanding endothermic reactions could benefit agricultural practices.
💡 Hint: Consider the needs of plants in varying temperatures.
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