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

1. The respiratory system describes which part of our body?

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2. Day and night is caused by

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3. If water is added to anhydrous copper sulphate what would be the colour of the product?

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4. This image shows the magnetic field lines around a bar magnet

bar-magnetWhich end of the magnet will be north, A or B?

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5. What object is at the centre of our solar system

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

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7. What will iodine do when heated in an open test tube?

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8. Where would you find villi in the human body?

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9. Name a chemical that decomposes to form oxygen when it is heated

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10. body5What is the name of organ ‘H’

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11. Which would be the best substance to neutralize some spilt hydrochloric acid?

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12. When does respiration take place in a plant?

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13. circuit3If I unscrewed bulb B from its holder what would happen to the other bulbs?

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14. What are microbes?

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15. What is the length  of time between fertilization and the birth of a human baby?

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16. What type of animal is an omnivore?

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17. What does ‘translucent’ mean?

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

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19. Some copper foil is heated in a sealed test tube until the copper stops changing colour. What gas is the copper reacting with?

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20. What process would be best used to obtain pure water from sea water?

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21. Protein is good in our diet because it

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22. bunsen1bThis diagram shows a Bunsen burner.
The flame is yellow and smoky.

Is the air hole open or closed?

Question 22 of 30

23. circulation-graphThe graph below shows the heart rate of two boys, X and Y

Their teacher measured their pulse and then asked them to run on a running machine for 2 minutes

When their pulse had returned to normal the experiment was stopped

How long did it take the heart rate of boy Y to return to normal after he stopped running?

Question 23 of 30

24. Which of the following animals is an INSECT (has six legs))

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25. Why is the mineral calcium important in our diet?

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26. What colour would Universal Indcator turn when added to a neutral liquid?

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27. The circuit below shows 3 lamps (P, Q and R) and 4 ammeters (A1, A2, A3 and A4)
The lamps are all similar to each other.

ammetersA1 reads 0.3A
If A2 reads 0.2amps what will be the reading on A3?

Question 27 of 30

28. When copper foil is heated with a roaring bunsen flame and it quickly turns black.
What is the name of the black chemical formed?

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29. Camels have wide feet.
How does this help them walk on sand?

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30. Scurvy, an illness that used to occur a lot in sailors taking long sea voyages, is cause by

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