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2 cards from this section. Quick, good the night before a test.
What happens to ice when it melts?
Think about what happens when you heat ice.
Is crushing a can a physical or chemical change?
Consider the nature of the material before and after.
Which of the following is a physical change?
Consider whether the substance itself changes.
True or False: Dissolving sugar in tea creates a new substance.
What happens to the sugar's chemical identity?
Propose an experiment to demonstrate a physical change and explain its significance.
Consider the characteristics of the change happening.
Evaluate the physical changes observed in making a salad.
Think about how you can combine and separate ingredients.
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