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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? ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ II. Types of Reactions 1. What happens during a synthesis reaction? __________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 2. What happens in a decomposition reaction? __________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 3. Describe a single replacement reaction. _____________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 4. Describe a double replacement reaction. _____________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 5. In many chemical reactions, energy is released as new products form. Give three examples of how people use the energy from chemical reactions. ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 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? ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 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? _____________________________________________________ 3. Why do cartons of electronic equipment have packages of crystals included in them? _______________________________________________________ ____________________________________________________________ ____________________________________________________________ 4. How is the way a refrigerator preserves food similar to the way a freezer does? How are they different? __________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________