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Name: _______________________
Date: ________________________
Class: ________________________
Teacher: ______________________
Matter and How it Changes
Lesson 3: What are Chemical Properties of Matter? (610-619)
Key terms: chemical change, chemical property, reactivity, stability
I. Chemical Properties and Changes
1. A ______________ ____________ is a change in which one or more new
substances are formed.
2. A______________ _____________ is something that describes the ability
of a substance to react with other materials and form new substances.
3. How are the properties of hydrogen and oxygen different from a property of
water?
4. _________________ is the ability of a substance to go through a chemical
change.
5. _______________ is the ability of a substance to resist going through a
chemical change.
6. How are chemical properties like physical properties? How are they different?
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II. Types of Reactions
1. What happens during a synthesis reaction? __________________________
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2. What happens in a decomposition reaction? __________________________
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3. Describe a single replacement reaction. _____________________________
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4. Describe a double replacement reaction. _____________________________
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5. In many chemical reactions, energy is released as new products form. Give
three examples of how people use the energy from chemical reactions.
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6. Iron rusts when it combines with oxygen to form iron oxide. What type of
reaction is this? ____________________________
7. When a scientist places a piece of sodium in water, hydrogen gas is produced.
What type of reaction is taking place?___________________________
8. How is a synthesis reaction different from a decomposition reaction?
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III. Preventing Chemical Changes
1. ____________ can stop or start a chemical reaction.
2. Food spoiling is a chemical reaction. What can we do to prevent this?
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3. Why do cartons of electronic equipment have packages of crystals included in
them? _______________________________________________________
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4. How is the way a refrigerator preserves food similar to the way a freezer does?
How are they different? __________________________________________
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