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2 cards from this section. Quick, good the night before a test.
What is a chemical change?
Think about what happens when you burn something.
Give an example of a physical change.
What happens to ice when it gets warm?
Which of these is an indicator of a chemical change?
Think about how fruit changes color as it ripens.
True or False: All chemical changes are reversible.
Consider a baked cake; can you turn it back into batter?
Explain the process of rusting and how it might be a concern for structures over time.
Think about how we see rust on metal railings and cars.
Design an experiment to demonstrate a chemical change, detailing expected observations.
Think about the reaction you've seen in a volcano experiment.
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