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WorksheetsG7 IGCSE HYE Revision Quiz
Total questions: 18
Worksheet time: 9mins
What pressure does a 4000N horse exert on the ground if each foot is 10cm2?
40 N/cm2
400 N/cm2
100 N/cm2
10 N/cm2
Which of these animals would probably cause the greatest pressure on the ground?
A cow with big feet
A cow with small feet
A calf with big feet
A calf with small feet
What is the instrument that measures air pressure called?
graduated cylinder
barometer
force-meter
speedometer
Where is pressure the greatest on the dam?
A
B
C
D
Where would you find the largest pressure?
At the bottom of the ocean
Above Mt Everest
In a rockpool on the Great Barrier Reef
On the cricket pitch at Chepauk
One way to increase the turning force on a spanner is to:
Use a shorter spanner
Use a longer pivot
Use a longer spanner
Use less force
A cat weighing 50 N is 1 m from the pivot.
How far away does a mouse weighing 0.5 N have to be to balance the beam?
1 m
10 m
100 m
1000 m
A seesaw is unbalanced with two people of different masses sitting equal distances from the centre.
Which of the following will result in equilibrium?
The larger person moving further away from the centre
Moving the smaller person closer to the centre
Moving the smaller person further from the centre
Ask larger person to get off the seesaw
Select TWO situations that involve a moment of force
Lifting a pail
Tighten the nut with a wrench
Opening a door
Raising the flag
Select the graph that depicts the given scenario -
Scenario: Tom ran from his home to the bus stop and waited.
He then realised that he had missed the bus so he walked back home.
Select the graph that correctly depicts the given scenario.
Scenario: Tom climbed up a hill that is opposite his house.
He then went across the top to the other side of the hill and ran down quickly.
How long did the object take to travel 10 m?
0 s
10 s
15 s
20 s
How long did it take this object to travel back to its reference/starting point?
20 s
30 s
60 s
100 s
If a dye is insoluble in water and cannot be separated using chromatography, how can it be tested to see if it is a mixture?
Use filtration instead
Repeat the chromatography test using a different solvent such as propanone
Use distillation instead
Repeat the chromatography using water as the solvent and see if it separates this time
Which of the following is correct about chromatography?
It separates those solutes that dissolve in the same solvent.
It separates those solutes that dissolve in different solvents.
It separates a solute that dissolves in a solid solvent.
It separates gaseous solutes from liquid solvents.
Whose blood was found at the crime scene?
(hint: compare the blood stain chromatogram with the person's)
Bob
Sue
John
Lisa
Which of the dyes contains an insoluble colour?
6
5
4
3
Students in Ms. Alvarez’s science class are investigating how temperature, in degrees Celsius (C), affects the solubility of a compound in 100 mL of water. They plot a graph for the same.
Based on the information in the graph, which of the following is the best prediction of how many grams of the compound will dissolve at 40°C?
40 g
65 g
85 g
100 g
