Science Revision Questions – hard











Common Entrance Revision: Includes more advanced questions
15 questions suitable for CE or scholarship
KS3 Levels 5 and 6
Answer all 15 questions and then press ‘Submit’
Your score and any corrections will then be shown

1. Na is the symbol for which chemical element
2. Topic: Elements

Which is the odd one out from the gases shown below?
3. The decomposition of a liquid by passing an electric current through it is known as
4. How many cubic centimetres are in a cubic metre ?
5. Coal, diamond and graphite all have what element in common?
6. Name the process that our body uses to release energy from sugar
7. Which part of the body makes red blood cells?
8. Glucose + oxygen      →    carbon dioxide   +  water + energyThe word equation above describes which biological process?
 
9. Alpha Proxima is a star. What makes it special?
10. The most common element in the Earth's crust is