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. Something has gravitational potential energy when....

it is moving

It is stretched

It is high up

It is heavy

2. Which is the best way to get the salt back from some salty water

Sieving

Filtering

Using a magnet

Letting the water evaporate

3. Sucrose is the chemical name for which common substance?

salt

sugar

water

bleach

4. Which of the following is NOT true about the Moon

The Moon has no gravity

The moon causes our tides

The Moon has no atmosphere

The Moon is a satellite of Earth

5. Fill in the missing word from the equation shown below:
Acid + metal    →  salt   +   ............

Hydrogen

Salt

Base

Oxygen

6. What kind of circuit is this?

an OR circuit

a parallel circuit

A relay

an AND circuit

7. How would exhaled air compare with inhaled air?

Inhaled air contains less oxygen and more carbon dioxide

Exhaled air contains less carbon dioxide and more oxygen

Exhaled air contains more carbon dioxide and less oxygen

Inhaled air contains more nitrogen and less oxygen

8. Which of the energy changes below represents that which takes place in a firework rocket?

Chemical energy --------> Kinetic energy

Strain energy --------> Kinetic energy

Electrical energy --------> Kinetic energy

Chemical energy --------> Electrical energy

9. To which group does this animal belong?

Arthropod

Reptile

Amphibian

Insect

10. Where is the male gamete (pollen) formed in plants?

Stamen

Stigma

Ovary

Sepals

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