4.1 - Transforming Matter
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Practice Questions
Test your understanding with targeted questions
What is a physical change?
💡 Hint: Think about ice and water.
Give an example of a chemical change.
💡 Hint: Consider what happens when you set something on fire.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is a chemical change?
💡 Hint: Remember the example of burning wood.
True or False: A physical change can be easily reversed.
💡 Hint: Consider how ice and water interact.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A piece of wood is burned in a fireplace. Describe the physical and chemical changes that occur.
💡 Hint: Think about what happens to the wood throughout the process.
Balance the equation for the combustion of propane: C3H8 + O2 → CO2 + H2O.
💡 Hint: Count the number of each atom on both sides.
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Reference links
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