Common Entrance Revision: 20 Easy and harder questions
KS3 Levels 4 and 5
Answer all 20 questions and then press ‘Submit’
Your score and any corrections will then be shown

1. Name the PROCESS you would use to obtain a sample of SOLID SALT from some sea water

2. What type of animal is a 'Portuguese Man of War'?

3. Name the organ that supplies the embryo with food and oxygen

4. What colour would Universal Indcator turn when added to a strong acid?

5. Which of the following substances below can you use as a fuel?

6. cuso4.3-300x225This apparatus is being used to collect the water produced when copper sulphate is heated.

Why is it an importeant saftety requirement not to let the open end of the delivery tube touch any water in the beaker or test tube?

7. What gas is used up by plants during photosynthesis

8. Some plastic is bio readable.

What does biodegradable mean?

9. flowerLook at the diagram of a flower.
What is the name of the part labelled b ?

10. What is the chemical formula for CHALK (calcium carbonate)?

11. What colour would Universal Indcator turn when added to a strong alkali?

12. What is CHLOROPHYLL?

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

14. What is the word equation for the reaction between copper and oxygen

15. Which of the following statements is true:

16. What is the unit for electrical current?

17. What do we call the first organism in any food chain?

18. What gas is produced when zinc is added to dilute sulphuric acid?

19. 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

20. Which is the largest out of

SUN, MOON, EARTH, GALAXY, SOLAR SYSTEM