Common Entrance Revision: 30 average and harder questions
KS3 Levels 4 and 5

1. Which single piece of apparatus would be the best to use if you wished to find the volume of glass in a glass stopper

Question 1 of 30

2. Substances can be obtained from the ground and purified in a variety of ways.

Which mineral can be extracted from the ground by pumping water into the ground which causes it to dissolve. The substance is then purified by letting the water evaporate.

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3. An acid would have what pH number?

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4. What is meant by your ‘pulse’

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5. A ball is held in place at the top of a slope at position X
When the ball is released it rolls down the slope, eventually coming to rest at position Z

slopeAt what position does the ball have the most kinetic energy? 


Question 5 of 30

6. To which group of animals does a frog belong ?

Question 6 of 30

7. Word equations for 4 different reactions are shown.
Which of them is an example of a displacement reaction?

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8. The Sun feels hotter in summer in England because….

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9. Name a non-metallic element that conducts electricity

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10. What would be the effect on a habitat if all the herbivores suddenly died out

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11. Jane has two bowls on her bench.
One contains fine brown sugar. The other contains sand.
To find out which was which she stirred each into some warm water. Which will dissolve?

Question 11 of 30

12. The circuit diagram shows 4 components represented by circuit symbols

circuit1Which of the symbols represents a LDR (light dependent resistor)?

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13. Which of these substances aree electrical insulators?

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14. What type of food do carnivores usually eat?

Question 14 of 30

15. Tick TWO raw materials needed by plants to carry out photosynthesis

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16. A substance has a melting point of -39C and a boiling point of 357C. At normal room temperature would it be a

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17. What causes day and night?

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18. apparatus3What is the purpose of the piece of apparatus shown?

Question 18 of 30

19. A liquid with a pH of 2 would be described as …..

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20. What is the normal pulse rate of a boy or girl while resting ?
The answer is in beats per minute (bpm)

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21. Seeds need light in order to start to germinate

Question 21 of 30

22. Pick the best description to describe the word REFRACTION:

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23. Which organ is our body contains lots of neurons

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24. Which are smaller, bacteria fungi or viruses

Question 24 of 30

25. What percentage of the air is argon (approximately)?

Question 25 of 30

26. 15g of copper foil is heated in a sealed test tube until the copper stops changing colour.
It was noticed that some of the copper was still pink.
After the experiment had cooled the tube was opened and then re-weighed.

These were his results:

Mass of tube + copper before heating = 75gMass of tube after heating = 75.3gApproximately what mass of oxygen was in the tube?

Question 26 of 30

27. Photosynthesis is how plants make food

Why does photosynthesis usually stop at night?


Question 27 of 30

28. Pick two instruments that you would need to find the density of glass in a marble?

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29. A block measures 10cm x 8cm x 5cm
It has a mass of 2kg

What is the density of the block in g/cm³?


Question 29 of 30

30. Metal is the best material for a radiator because it

Question 30 of 30