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Physical & Chemical Properties (Grade 7)

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Physical & Chemical Properties

1. 
Physical and chemical properties can be used to identify substances.
  1. True
  2. False
 
2. 
A chemical property of one substance involves its ability to react (or not react) with another specific substance.
  1. True
  2. False
3. 
The density of a substance will remain the same no matter how large or small the sample of the substance.
  1. True
  2. False
 
4. 
Boiling point is a chemical property that can be used to identify substances.
  1. True
  2. False
5. 
Chemical properties can also be used to identify a substance. They can only be recognized when substances react. This means the substance(s) undergo a change in                .
  1. volume
  2. shape
  3. size
  4. composition
 
6. 
Hardness, temperature, color, size, and smoothness are all
  1. states of matter
  2. physical properties of matter
  3. chemical properties of matter
  4. used to describe elements but not compounds
7. 
The temperature in which a solid can turn into a liquid is known as                                .
  1. turning point
  2. melting point
  3. boiling point
  4. evaporation
 
8. 
When a substance changes from a liquid to a gaseous state, this is said to be the                                .
  1. boiling point
  2. starting point
  3. melting point
  4. ending point
9. 
Density is a property that explains the relationship between                 and                .
  1. size/shape
  2. mass/volume
  3. distance/time
  4. color/texture
 
10. 
A teacher mixes a white powder into a beaker of water. The powder cannot be seen in the water. The teacher then heats the mixture until the water evaporates and the powder can be seen again. Which property of the powder is the teacher demonstrating?
  1. Solubility
  2. Density
  3. Conductivity
  4. Mass
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