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WorksheetsGrade 6 Formal Assessment (Solutions as special mixtures)
Total questions: 45
Worksheet time: 23mins
Give one word for the following:
A mixture of a solid and a liquid where the solid fills the spaces between the liquid particles.
(a)
Give one word for the following:
The process of mixing a solid and liquid until the solid becomes part of the liquid and the solid is no longer visible after mixing.
(a)
Give one word for the following:
When a solution has no more space for any more particles of the solute.
_ _ _ _ _ _ _ _ _
(a)
When a solid is able to dissolve. The solid is...
_ _ _ _ _ _ _
(a)
When a solid is not able to dissolve. The solid is ...
_ _ _ _ _ _ _ _ _
(a)
The scientific word used for the solid that dissolves in a liquid.
(a)
The scientific word used for the liquid that can dissolve a solid.
(a)
Dissolving and melting is the same thing.
True
False
When a solid dissolves it disappears.
True
False
Solutions are uniform in appearance.
True
False
A solution can be a mixture of:
solid and a solid
solid and a gas
solid and a liquid
liquid and a gas
Which of these materials are soluble?
sand
sugar
rice
oil
Which of these materials are insoluble?
sugar
custard powder
salt
sand
Melting is different from dissolving because it ...
uses heat to change state
disappears
its not different from each other
melting and dissolving is the same
I can separate a saltwater solution using hand sorting.
Yes
No
I can separate a saltwater solution using sieving.
Yes
No
I can separate a saltwater solution using settling and decanting.
Yes
No
What method can you use to separate a saltwater solution?
(a)
Identify the picture:
solute
solvent
solid
insoluble
Identify the picture:
solute
solvent
solution
insoluble
Identify the picture:
solute
solvent
solution
insoluble
Identify the picture:
solute
solvent
solution
insoluble
Identify the picture:
solute
solvent
insoluble
solid
sand
Identify the picture...
solute
solvent
solution
insoluble
Rice and beans is an example of a:
Mixture
Solution
Oil and water is an example of a:
Mixture
Solution
Sugar and water is an example of a:
Mixture
Solution
Salt and water is an example of a:
Mixture
Solution
Sand and water is an example of a:
Mixture
Solution
peanuts and raisens is an example of a:
Mixture
Solution
I can separate a saltwater solution by using filtration.
Yes
No
Where does the salt that we use in cooking come from?
(a)
What does the grey blocks in the picture represent?
(a)
What does the blue circles in the picture represent?
(a)
Why can't we separate saltwater by using physical separation methods?
(a)
Solvents can dissolve an unlimited amount of solute.
True
False
What does it mean if you can see the salt in a solution?
You added too little salt
The salt is insoluble
The solvent is too hot
The solution is saturated
What lake can be found on the border of Israel and Jordan?
(a)
What causes the dead sea to become more salty?
(a)
The Dead Sea is saturated.
True
False
What causes the sea water to evaporate?
(a)
During evaporation the (a) of matter is changed.
During evaporation the state of the water is changed from _________ to a _______.
(Place a comma between your answers)
(a)
Give one word for the following:
The slow process of forming crystals from a solution.
(a)
Salt pans are made in the shape of:
circles
squares
triangles
