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WorksheetsChanging Matter
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
In which state are particles closer together?
a)
solid
b)
liquid
c)
gas
d)
plasma
2.
In which state do particles have the fastest speed?
a)
solid
b)
liquids
c)
gas
d)
sublime
3.
What property do liquids and gases have in common?
a)
fill the container
b)
definite shape
c)
definite volume
d)
can flow
4.
Which technique cannot be used to separate a liquid from a solid?
a)
filtration
b)
distillation
c)
winnowing
d)
decanting
5.
How would you separate sand from sugar?
a)
winnow
b)
sieve
c)
add water and filter
d)
magnet
6.
What is the process of changing from liquid to gas called?
a)
sublimation
b)
condensation
c)
evaporation
d)
melting
7.
Which technique would dissolve salt fastest?
a)
crushing, heating and stirring
b)
heating
c)
crushing and cooling
d)
cooling
8.
Which of the following is NOT a good way of telling if a chemical reaction occurs?
a)
hearing a bang
b)
seeing a gas form
c)
a solid dissolving
d)
a bright light
9.
Why do some substances gain weight on heating ?
a)
heating adds oxygen
b)
hot things are heavier
c)
heating make particles expand
10.
Why do some substances get lighter on heating?
a)
Hot substances are lighter
b)
particles get smaller
c)
oxygen or water are driven off
11.
Which of these changes is a physical change?
a)
boiling water
b)
burning petrol
c)
cooking a sausage
d)
bubbling a gas into lime water
12.
Which technique is NOT used to separate to liquids?
a)
chromatography
b)
separating funnel
c)
distillation
d)
condensation
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