Common Entrance Revision: 10 Easy and harder questions
KS3 Levels 4 and 5
Answer all 10 questions and then press ‘Submit’
Your score and any corrections will then be shown

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

a Producer

The Sun

a Predator

a Consumer

2. What chemical change will happen to copper foil when it is heated?

it will decompose

it will loose mass

it will melt

it will oxidise (react with oxygen)

3. Which of the properties of metals listed below is not correct?

Metals are usually malleable

Metals are usually ductile

Metals are good electrical conductors

Metals are good thermal insulators

4. What is measured by a thermometer?

Temperature

Weight

Speed

Time

5. The substance found in pencil 'leads' is made from

Sodium

Graphite

Mercury

Lead

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

Sodium hydroxide + hydrochloric acid → sodium chloride + water

Copper carbonate → copper oxide + carbon dioxide

Copper sulphate solution + iron → iron sulphate + copper

Carbon + copper oxide → carbon dioxide + copper

7. You find an animal whose body is covered with scales.
The animal has four legs and is lying in the shade of some grass.
To which animal group is this animal likely to belong?

Reptile

Amphibian

Mammal

Bird

8. What formula is used to calculate speed?

Force / Time

Distance / Time

Time x Distance

Force x Time

9. What is the melting point of water?

0 C

100 C

-32C

250 C

10. A ruler is balanced at its centre and 5N weights are added as shown below.

If the ruler still balances then what would be the distance X? 

2cm

4cm

12cm

3cm

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