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

1. What part of a cell releases energy?
 
 
 
 

Question 1 of 30

2. Which of the following statements is true:
 
 
 
 

Question 2 of 30

3. Which of the following are examples of chemical changes
 
 
 
 

Question 3 of 30

4. Arachnids’ are another name for which kind of animal
 
 
 
 

Question 4 of 30

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

Question 5 of 30

6. Is water an element compound or mixture?
 
 
 

Question 6 of 30

7. Glucose + oxygen      →    carbon dioxide   +  water + energy
The word equation above describes which biological process?
 
 
 
 

Question 7 of 30

8. Which of the energy changes below represents that which takes place in an electric motor?
 
 
 
 

Question 8 of 30

9. A liquid with a pH of 6 would be described as …..
 
 
 
 

Question 9 of 30

10. Two magnets, when brought near each other are found to REPEL.
If the pole of one magnet is north what is the other pole?
 
 

Question 10 of 30

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

Question 11 of 30

12. Some copper foil is heated in a sealed test tube until the copper stops changing colour. What gas remains in the test tube?
 
 
 
 

Question 12 of 30

13. Name a food which is a good source of carbohydrate:
 
 
 
 

Question 13 of 30

14. The circuit diagram shows 4 components

circuit1What changes would you notice to this circuit if you placed your hand over component B making it darker?   (Tick all that apply)
 
 
 
 

Question 14 of 30

15. Pick an neutral oxide from the list
 
 
 
 

Question 15 of 30

16. What colour is copper sulphate?
 
 
 
 

Question 16 of 30

17. Which would be the best material to make a cheap washing-up bowl that’s easy to carry around.
 
 
 
 

Question 17 of 30

18. Name an organ which helps digest food
 
 
 
 

Question 18 of 30

19. and-circuit-2What kind of circuit is this?
 
 
 
 

Question 19 of 30

20. ARTHROPODS are animals that have which features?
 
 
 
 

Question 20 of 30

21. Peter has three coloured felt pens which he labelled A, B and C.
He used the apparatus below to separate the dyes used to make colours from each of the pens.

Which pen has an ink made from 4 dyes mixed together?Chromatography_tank2
 
 
 

Question 21 of 30

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

Question 22 of 30

23. Microbes are tiny living organisms
TRUE or FALSE
 
 

Question 23 of 30

24. What conditions from its environment does a seedling need to help it grow?
 
 
 
 

Question 24 of 30

25. Some salt is dissolved in warm water.
What do we call the liquid remaining in the beaker?
 
 
 
 

Question 25 of 30

26. Put the statements about the human life cycle into the correct order:
A: Puberty :B Birth C: Adolescence D: Childhood
E: Adult
 
 
 
 

Question 26 of 30

27. body5What is the name of organ ‘H’
 
 
 
 

Question 27 of 30

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

Question 28 of 30

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

Question 29 of 30

30. A man was using a crowbar to move a stone.
Unfortunately the stone was still too heavy  for the man to move.

crowbarTo make the stone easier to move should he use a longer or shorter crowbar?
 
 
 

Question 30 of 30