Science Stack

Question Answer
What is a physical change? A change that happens that does NOT change the substance's identity or chemical makeup.
What is a chemical change? A change that changes the substances identify or chemical makeup.
The melting of an ice cube is what change? Physical
Why is baking a cake an example of a chemical change? Because a new substance was created.
Cracking an egg Physical
Fireworks going off Chemical
Cutting aluminum foil in half Physical
Lighting a match Chemical
An iron gate rusting Chemical
True or false: Burning or explosions are evidence that a chemical change has happened. True

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