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WorksheetsStates of matter
Total questions: 15
Worksheet time: 21mins
Which state of matter has a fixed volume and a definite shape?
solid
liquid
gas
Fluid means something which can flow. Fluid can be ________ and ________.
solid
liquid
gas
The process that turns a solid into a liquid is called?
(a)
The process that turns a gas into a liquid is called?
(a)
Boiling and evaporation are the changing from a liquid to a gas. It is _______________.
endothermic
exothermic
Which of the processes are exothermic?
melting
evaporation
condensation
freezing
If there are impurities in a substance, what will happen?
The melting point will decrease.
The melting point will increase.
The boiling point will decrease.
The boiling point will increase.
In which of the following are the particles arranged in a regular pattern?
a gas
a liquid
a solid
a solution
When steam at 100 oC condenses to water at 25 oC, what happens to the water molecules?
They move faster and closer together.
They move faster and further apart.
They move slower and closer together.
They move slower and further apart.
Name the change that occurs in the region D and E.
(a)
Describe the arrangement and movement of the molecules in the region A-B.
(a)
Describe the arrangement and movement of the molecules in the region E-F.
(a)
Which two processes must happen to spread the sugar evenly in the tea?
1. diffusion 2. dissolving
1. dissolving 2. diffusion
1. dissolving 2. melting
1. melting 2. diffusion
Explain why nitrogen diffuses faster than chlorine.
Explain why the nitrogen diffuses faster at the higher temperature.
