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5 cards from this section. Quick, good the night before a test.
What is a sign of a chemical change?
Think of what indicates a new substance has formed.
Is the rusting of iron a physical or chemical change?
Consider whether a new substance with different properties is created.
Which of the following is NOT a sign of a chemical change?
Consider what signifies a reaction affecting composition.
True or False: Production of light during a reaction always indicates a chemical change.
Think about what happens in reactions like combustion.
Explain an everyday activity involving a chemical change and identify all the observable signs.
Think of recreational cooking or baking.
Design an experiment that demonstrates at least two signs of a chemical change, detailing the steps and expected results.
Consider safe kitchen items to use.
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