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WorksheetsReview Material 3 "Material Changes"
Total questions: 10
Worksheet time: 7mins
The process of changing a solid to a liquid is called______.
melting
boiling
freezing
solidifying
Candle wax melting by a match is an example of _____________.
freezing
biological changes
physical changes
chemical changes
which of following are irreversible changes? Tick (v) 2 Boxes
boiling an egg
freezing ice cream
pour viegar on baking soda
boiling water
Which of these mixtures could you separate using filtration? Mark them with tick (V)
paper clips and water
sand and water
instant coffe granules in water
sugar and water
The factors affecting rate of dissolving, except?
Temperature
Surface area
warmth
Stirring
Which of the following substances is a mixture?
sugar
oxygen gas
air
water
Two part of solutions are ______
Liquid and metal
Solute and solvent
Metal and solvent
Solute and metal
Raw egg to fried egg is an example of _____________.
chemical changes
physical changes
freezing
biological changes
Which of the following substances is a pure subtances?
water
sea water
air
a sachet of milk
Leroy has a beaker containing salt and sand. He wants to separate the salt from the sand.
how to separated sand and water?
sorting
mixing
magnetic separation
shieving
