Changes and Properties Lab - Ponce

Changes and Properties of Matter Lab
Name:_______________________________
PreLab Questions
1. What is the difference between a physical and chemical change?
2. Give an example of a physical change.
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3. List the four signs that a chemical change has taken place.
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Changes and Properties of Matter Lab
Name:_______________________________
Part A - Paper
1. Observe the piece of paper and list two physical properties:
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2. After observing the following changes, and identify which is a chemical (C) and physical (P)
change.
____________Tearing the paper
____________Burning the paper
3. Explain why you classified the changes the way you did.
4. List a chemical property (put N/A if you have not observed one).
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Part B – Salt & Water
1. Observe the salt and list two physical properties:
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2. After observing the following changes, and identify which is a chemical (C) and physical (P)
change.
____________Dissolution in water
____________Separation of the water
3. Explain why you classified the changes the way you did.
4. List a chemical property (put N/A if you have not observed one).
Changes and Properties of Matter Lab
Name:_______________________________
Part C – Magnesium Ribbon
1. Observe the Magnesium and list two physical properties:
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2. After observing the following changes, and identify which is a chemical (C) and physical (P)
change.
____________Burning of Magnesium
____________ Magnesium with HCl
3. Explain why you classified the changes the way you did.
4. List a chemical property (put N/A if you have not observed one).
Part D – Silver Nitrate (AgNO3)
1. Observe the AgNO3 and list two physical properties:
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2. After observing the following changes, and identify which is a chemical (C) and physical (P)
change.
____________AgNO3 with NaCl
3. Explain why you classified the changes the way you did.
4. List a chemical property (put N/A if you have not observed one).