Practice - Physical and Chemical Changes
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Practice Questions
Test your understanding with targeted questions
What type of change occurs when ice melts?
💡 Hint: Consider whether a new substance is formed.
Is cooking a chemical or physical change?
💡 Hint: Think about whether it transforms the ingredients.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What type of change occurs when rust forms on iron?
💡 Hint: Recall that chemical changes involve new substance formation.
True or False: Melting chocolate is a chemical change.
💡 Hint: Consider if the substance keeps its identity.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given the following scenarios, identify whether they are physical or chemical changes: burning wood, breaking a glass, boiling water, and rusting a car.
💡 Hint: Consider if new substances are formed.
If an ice cube melts and then refreezes, can you describe what physical change occurs and its significance in everyday life?
💡 Hint: Think about how phase changes relate to real-world applications.
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Reference links
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