Worksheetsscience quiz 🤔😃
Total questions: 10
Worksheet time: 75secs
Name
Class
Date
1.
Substances that dissolve in water are called
a)
solutions
b)
soluble
c)
insoluble
d)
themometer
2.
Which substance can dissolve completely in water?
a)
salt
b)
flour
c)
sand
d)
lava
3.
Substances that dissolve in water are called
a)
solutions
b)
soluble
c)
insoluble
d)
themometer
4.
How could you separate a mixture of sand and salt?
a)
Mix with water, filter, and then evaporate
b)
Mix with water, evaporate and then filter
c)
Filter and then mix with water
d)
tip it in the sink
5.
Will the steam from seawater be salty?
a)
yes
b)
no
c)
some of the steam will be salty
d)
some of the steam will be sugary
6.
Are melting, freezing, boiling, evaporating and condensing ALWAYS reversible changes?
a)
no
b)
yes
c)
only sometimes
d)
most of the time
7.
Which of these is a reversible change?
a)
Metal rusting
b)
Baking a cake
c)
Freezing orange juice to make an ice lolly
d)
ripping paper(you have no sellotape or glue)
8.
Which of these is an irreversible change?
a)
Ice cream melting
b)
Candle wax melting
c)
Candle wax burning
d)
water freezing
9.
How could you change burnt paper back into its original form?
a)
Cool it
b)
Scrape off the soot
c)
You can't
d)
throw it in the bin
10.
Which of these statements is FALSE?
a)
Freezing is not a reversible change
b)
Heating a substance can cause both reversible and irreversible changes
c)
Dissolving is a reversible change
d)
this is a sciense
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