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4 cards from this section. Quick, good the night before a test.
What is a physical change? Provide an example.
Think about changes that you can reverse.
Name a chemical change you observe in daily life.
Consider items that transform into different substances.
Which of the following is a characteristic of a physical change?
Consider what happens to the substances involved in physical changes.
True or False: Chemical changes can often be reversed.
Think about examples like burning paper.
You have a sample of sodium bicarbonate (baking soda). Describe a physical and a chemical change it can undergo.
Consider how the substance's identity changes.
Explain how energy changes during chemical reactions and provide an example.
Think of how reactions can feel hot or cold.
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