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WorksheetsYear 6 Science : Topic Material Changes
Total questions: 30
Worksheet time: 16mins
what is the change of candle
reversible change
irreversile change
both reversible and irreversible change
none of the above
Burning of paper is a _______________ change
Reversible change
Irreversible change
Melting of butter is a _______________ change
Reversible change
Irreversible change
Melting of ice cream is a _______________ change
Reversible change
Irreversible change
Frying an egg to make an omelette is a _______________ change
Reversible change
Irreversible change
Physical change are genrally
reversible change
irreversible change
Chemical changes...
Always form a new substance.
May change shape or size.
May absorb or release heat.
May change colour, produce odor, create sound, release gas or produce light.
Can often be undone.
Select the answer that best describes an irreversible change
When a substance can be changed back or reversed.
When a substance is changed, and it cannot be changed back.
When a new substance is formed.
All of the above.
Dissolving salt in water is an example of
Reversible Change
Irreversible Change
Rusting of iron is a _______________ change
Reversible change
Irreversible change
Which of the following cannot be attracted by magnet?
Paper clip
Marble
Iron screw
Nail
Which can be separated using Magnetism?
THE SUBSTANCE THAT CAN BE SEPARATED BY PHYSICAL METHODS
ELEMENTS
COMPOUNDS
MIXTURES
The components of solid-solid mixture can be separated by____.
flotation
hand picking
picking
sifting
How are you going to separate salt from salt water solution?
by evaporation process
by decantation process
by using magnet
by sieving
How are you going to separate the iron filings from sulfur powder?
by sieving
by using magnet
by decantation process
by dissolving sulfur to water
How are you going to separated gravels from sand?
by evaporation process
by decantation process
by sieving
by using magnet
You do not like almond nuts in your vegetable salad. Are you going to do to get rid of those?
using strainer
use distillation process
boil the vegetable salad and let almond evaporate
pick them one by one
Water is the universal ____.
solute
solvent
solution
solute + solvent =
solution
equation
solvent
solute
Solutes dissolve quicker in _________ water.
cold
warm
Solutes dissolve quicker if you stir them.
true
false
solvent
solute
solution
solute
solvent
Define the term insoluble.
Can dissolve in water.
Cannot dissolve in water.
Partially dissolves in water.
