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

1. The statements below describe some properties of light and sound.

Tick those that are correct.

Question 1 of 30

2. balanceThe diagram shows a log supported at its centre.
Peter is 1.5m from the centre and John is 2.5m from the centre.
Does the log balance, and if not which side goes down?

Question 2 of 30

3. What are microbes?

Question 3 of 30

4. How would you try to identify water vapour in the air?

Question 4 of 30

5. Pick the best description to describe the word REFLECTION:

Question 5 of 30

6. At which of the times below will your shadow be the shortest?

Question 6 of 30

7. This diagram shows a block of iron and a block of wood which have been added to a beaker of water.
Which would have the greatest volume (take up the most space),1kg of water, 1kg of wood or 1kg of iron?

Question 7 of 30

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

Question 8 of 30

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

Question 9 of 30

10. Name an instrument for measuring the current in a circuit

Question 10 of 30

11. Pick the correct sentence from those given to best  describe the term below:


Question 11 of 30

12. Citric acid would be found in which house-hold substance?

Question 12 of 30

13. Which part of our body removes soluble waste and excess water from the blood

Question 13 of 30

14. What colour will universal turn when mixed with hydrochloric acid?

Question 14 of 30

15. circuit2In which of the circuits shown will the bulb (or bulbs) be the brightest?

Question 15 of 30

16. What is the melting point of water?

Question 16 of 30

17. Tim mixed four different chemicals with water.

Which of them do you think dissolved?

Question 17 of 30

18. What is yeast used for?

Question 18 of 30

19. Which is the largest out of


Question 19 of 30

20. Name the waste gas that we breath out
(produced during respiration)

Question 20 of 30


This diagram shows the water cyclewater cycle3Whatprocess is taking place at number 2?

Question 21 of 30

22. Cu is the symbol for which chemical element

Question 22 of 30

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

Question 23 of 30

24. What colour is hydrated copper sulphate

Question 24 of 30

25. In what way do gametes differ from other cells in our body ?

Question 25 of 30

26. Name the organ where sperm are made in the male

Question 26 of 30


body5Which organ is the small intestine?

Question 27 of 30

28. What type of object is the Sun

Question 28 of 30

29. What is the unit of volume?

Question 29 of 30

30. Something has gravitational potential energy when….

Question 30 of 30