2 - Chemical Changes
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Practice Questions
Test your understanding with targeted questions
What is a chemical change?
💡 Hint: Think about what happens when you burn something.
Give an example of a physical change.
💡 Hint: What happens to ice when it gets warm?
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of these is an indicator of a chemical change?
💡 Hint: Think about how fruit changes color as it ripens.
True or False: All chemical changes are reversible.
💡 Hint: Consider a baked cake; can you turn it back into batter?
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Challenge Problems
Push your limits with advanced challenges
Explain the process of rusting and how it might be a concern for structures over time.
💡 Hint: Think about how we see rust on metal railings and cars.
Design an experiment to demonstrate a chemical change, detailing expected observations.
💡 Hint: Think about the reaction you've seen in a volcano experiment.
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Reference links
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