Science Revision Questions – Average

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. balanceThe diagram shows a log supported at its centre.
Peter is 1.5m from the centre and John is 2.5m from the centre.
Does the log balance, and if not which side goes down?

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

3. Which organ is our body contains lots of neurons

4. What type of object is the Moon?

5. Name a food which is a good source of protein:

6. forcesThe diagram shows a blue ball hanging from a string.

Which red force arrow best represents the force of gravity on the ball?

7. What is the word equation for the thermal decomposition of copper carbonate

8. Is carbon dioxide a solid, liquid or gas?
(at normal room temperature)

9. What colour is sulphur?

10. What is measured by a thermometer?

11. Pick a liquid that is a mild alkali

12. The word equation below shows the reaction between iron and copper sulphate solution

Iron + copper sulphate  →  ******** + iron sulphate What is the missing chemical from the equation?

13. Pick the correct sentence from those given to best  describe the term below:

Pitch

14. This question is about radiation of heat
A black object will be a .....

15. Glucose + oxygen      →    carbon dioxide   +  water + energyThe word equation above describes which biological process?
 

16. Where does fertilization take place in the human body?

17. The cubes below all have the same volume.
The mass of each block is shown inside each cube.

densit9Which substance has the highest density?

18. In order to make a guitar string vibrate quicker what needs to be done to it?

19. How many planets are in the Solar System?

20. At what age does a boy normally reach puberty?