5 - Additional Activities
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Practice Questions
Test your understanding with targeted questions
What happens when you burn a candle?
💡 Hint: Consider what happens to the wax.
What is a physical change? Give one example.
💡 Hint: Think of something that can revert back to its original state.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a defining characteristic of a chemical change?
💡 Hint: Think about changes in identity.
Is melting ice a physical or chemical change?
💡 Hint: Consider if anything new is created.
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Challenge Problems
Push your limits with advanced challenges
You have three substances: ice, bread, and iron. Identify the type of change for each when subjected to heat, and explain your reasoning.
💡 Hint: Consider what happens when heat is applied.
Create a flow chart that differentiates physical changes from chemical changes, using examples and key characteristics.
💡 Hint: What are main distinctions between the two types of changes?
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Reference links
Supplementary resources to enhance your learning experience.