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WorksheetsYear 7 Elements, Compunds and Mixtures
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
a machine with a rapidly rotating container that separates fluids
a)
centrifuge
b)
centrefuge
c)
centrfuge
d)
centrafuge
2.
technique used to separate substances due to their rates of movement
a)
chromatography
b)
chromotography
c)
chromatografy
d)
chromotogrify
3.
a cloudy looking mixture
a)
colloid
b)
coloid
c)
coloyd
d)
colloyd
4.
the amount of a substance contained within a mixture
a)
concentration
b)
concintration
c)
concantration
d)
concuntration
5.
a liquid mixture where one substance is distributed through another
a)
solotion
b)
solution
c)
soltion
d)
solition
6.
change of state from a gas to a liquid
a)
condsation
b)
condinsation
c)
condensation
d)
condunsation
7.
process of forming crystals
a)
crytalisation
b)
crystallisation
c)
crystalasation
d)
crystallasation
8.
technique used to separate a sediment from a liquid by pouring the liquid away.
a)
decuntation
b)
decantation
c)
deacanation
d)
decintation
9.
technique in which the sediment settles to the bottom and can be separated from the mixture
a)
sedamentation
b)
sedimentation
c)
sedementation
d)
sedimantation
10.
spreading out of a substance through a liquid or gas
a)
difusion
b)
diffusion
c)
defusion
d)
defussion
11.
to make a liquid weaker by adding water or another solvent to it
a)
diloot
b)
dilute
c)
dillute
d)
dylute
12.
technique that separates out liquids by boiling then cooling them down
a)
distilation
b)
distillation
c)
distalation
d)
distallation
13.
a stable mixture of two or more liquids
a)
emulsion
b)
emmulsion
c)
emullsion
d)
emmullsion
14.
technique used to separate different sized particles in a mixture
a)
filtration
b)
filltration
c)
filteration
d)
filltraytion
15.
technique causing small lumps to form
a)
floculation
b)
flocculation
c)
floccullation
d)
flocullation
16.
a mixture in no more of a substance can be dissolved
a)
satturated
b)
saturated
c)
satoorated
d)
satrated
17.
dissolves very easily
a)
solluble
b)
soluble
c)
solubal
d)
solible
18.
dissolves in a liquid
a)
sollute
b)
solute
c)
soloot
d)
solyute
19.
cloudy liquid that contains insoluble particles
a)
supension
b)
suspension
c)
susspension
d)
susppension
20.
process of turning a liquid into a gas.
a)
evaporation
b)
evapouration
c)
evapporation
d)
evaporration
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