Physical Science Chapter 5: Properties and Changes of Matter

Vocabulary Words
Objective Questions
5-1 Physical Properties
page 136
physical property
density
state of matter
size-dependent properties
size-independent properties
acid
base
  • Give several  example of physical properties.
  • How can you use physical properties to identify unknown substances?
  • Why is the state of matter a physical property?
  • Explain the difference between a size-dependent property and a size-independent property.
5-2 Chemical Properties
page 141
chemical property
reactivity
salts
flammabilty
react:
  • Give several examples of chemical properties.
  • What happens when a substance reacts?
  • What happens to hypochlorous acid when it is added to water?
  • Why do we add hypochlorous acid to water?
  • Describe an acid in detail.
  • Describe a base in detail.
5-3 Physical and Chemical Changes
page 145
physical change
chemical change
physical weathering
chemical weathering
  • Give several examples of a physical change.
  • Is a change of state a physical or chemical change? Why?
  • Give several examples of a chemical change.
  • Be able to identify a change as either chemical or physical.
  • How do you know a chemical change has occurred?
  • What is another term for physical weathering?  Give three examples.

Science and History:  Crumbling Monuments  page 154-155