Common Entrance Revision: Includes more advanced questions
30 questions suitable for scholarship               KS3 Levels 5 and 6

1. Substances that help build and repair body tissues (like skin and muscle) will be high in which food substance?
2. A block measures 10cm x 8cm x 5cm
It has a mass of 2kg

What is the volume of the block (in cm³)?

3. What would be the product when water is added to anhydrous copper sulphate?
4. What happens to the current through a component if the voltage is increased?
5. Complete the word equation:
Hydrochloric acid + sodium hydroxide      ?
6. Food is carried around in the blood in what form?
7. This question is about radiation of heat
A black object will be a …..
8. Put the statements about the human life cycle into the correct order:
A: Puberty :B Birth C: Adolescence D: Childhood
E: Adult
9. If you went to the moon what would happen to your mass?
10. Something has kinetic energy when….
11. What is meant by a ‘Primary Producer’?
12. You have four substances which you label A, B, C and D.
One is a mixture, one a metallic element one a non-metallic element and one a compound.

They have the following properties:
AA yellow, crumbly solid that burns to form a single, colourless gas which turns universal indicator red.
BA grey, malleable solid that burns to form a single, white, alkaline oxide.
CA colourless liquid. The liquid is warmed in a shallow dish and after a few minutes a white residue is seen.
DA green solid that decomposes when heated to form a colourless gas and leave a black powder.
Which of the substances is likely to be a mixture ?
13. Fom the list of properties below pick the one which describes a non-metallic element:
14. The legs of a chair each have an area of 20cm2 .

The chair has  4 legs and a mass of 4kg.

What is the pressure of each leg on the ground?
15. Which of the following is not a form of energy
16. Where are the female gametes (ovules) in a plant found?
17. How is a sperm different to an egg in a human?
18. What does SYMBIOSIS mean?
19. What is the chemical formula for CHALK (calcium carbonate)?
20. circuit4The circuit shows two bulbs and a switch.
Both bulbs are on.

Is the switch OPEN or CLOSED?
21. Powdered wood charcoal (carbon) is mixed with copper oxide and heated strongly.
A red glow is seen to spread though the mixture. When the mixture has cooled a pink residue is seen.

The reaction above is an example of oxidation and reduction.

During this reaction, which chemical is being oxidised and which is being reduced?
22. If hydrated copper sulphate is heated until it has all decomposed the solid product will: …..
23. 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

slopeAccording to the law of conservation of energy, energy can never be created or destroyed so in what form does the energy exist at postion Z?
24. Coal is made up mostly of which element?
25. What conditions from its environment does a seedling need to help it grow?
26. Ca is the symbol for which chemical element
27. A moving car has which kind of energy:
28. What sort of energy is produced by an electric motor?
29. What do we call the first organism in any food chain?
30. a = 5cm    b=3cm   c=3cm

The mass of the block = 90g

blockWhat is the density of the block?