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2 cards from this section. Quick, good the night before a test.
What is a chemical change?
Think about changes that produce something new.
Name one sign of a chemical change.
What might you observe that indicates something new is made?
What is a common sign of a chemical change?
Think about what visible change indicates new substances.
True or False: All chemical changes are reversible.
Consider if the original substances can return after the change.
A student observes the formation of bubbles when vinegar is added to baking soda. Describe the evidence of a chemical change. What would further experiments reveal?
Consider exploring additional signs of change!
Write a detailed comparison of two chemical changes and their impacts on everyday materials.
Focus on how each change produces different effects.
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