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WorksheetsForm 1 Solutions, Water and Surface Tension 2021
Total questions: 27
Worksheet time: 14mins
What is the name given to the liquid part of a solution?
Solute
Solvent
Solution
Liquid
What is the name given to the substance which dissolves in the liquid?
Solute
Solvent
Solution
Liquid
A substance that can dissolve in water is said to be...
Insoluble
Dissolved
Soluble
Included
A substance that cannot dissolve in water is said to be...
Insoluble
Dissolved
Soluble
Included
How would you know if a substance is insoluble in a liquid?
You can no longer see it
You see bubble
Nothing changes
You can still see the substance in solid form
Which of the diagrams, A or B, represents the process of dissolving?
A
B
What percentage of water is the brain composed of?
1%
10%
70%
85%
What is the boiling point of water?
0 oC
50 oC
100 oC
What change of state does water undergo when boiling?
Solid -> Liquid
Liquid -> Gas
Gas -> Liquid
Liquid - > Solid
At what temperature will water freeze?
0 oC
50 oC
100 oC
At what temperature will ice melt?
0 oC
50 oC
100 oC
What change of state does water undergo when freezing?
Solid -> Liquid
Liquid -> Gas
Gas -> Liquid
Liquid - > Solid
This picture shows a glass bottle that was filled with water and put in the freezer. Why did the glass crack?
Someone dropped it
Water shrinks when it freezes
Water expands when it freezes
Water escapes when it freezes
What is the phenomenon that allows the water striders to walk on water called?
Surface tension
Surface water
Surface tightness
Water tension
What is surface tension?
The forces on the surface of a liquid
The attractive forces that hold molecules at the surface of a liquid together
How strong water is
The amount of stickiness on the surface of a liquid
What is the most common type of animal that uses surface tension to travel?
Frog
Insects
Fish
Birds
Which of these would be an example of surface tension?
Honey dissolving in water
Food colouring mixing into water
A needle on the surface of water
Using a straw to drink water
What type of substance can be used to break surface tension?
Soap
Another liquid
A powder
When looking at water in a test tube, which shape will you see?
A
B
What is the name given to this curved shape that water makes when in a graduated cylinder?
Surfactant
Meniscus
Graduation
What volume of water is being measured?
35 ml
36 ml
37 ml
38 ml
Which solution is more concentrated?
Left
Middle
Right
How could we make the solution on the right MORE concentrated?
Add more solvent
Add more solute
What is a saturated solution?
One that contains alot of solute and a little solvent
One that contains a little solute and a lot of solvent
One that cannot dissolve anymore solute in the solvent
One that cannot take anymore solvent for the solute
How do you know a solution is saturated?
It disappears
You can see solute at the bottom of the container
The solute keeps dissolving
The solvent starts to evaporate
Which solution is more concentrated?
A
B
They are the same
Which crystals were formed from cooling a solution SLOWLY
Small
Large
