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. Marble is an example of a
2. The core of the Earth is made of nickel and which other element?
3. Na is the symbol for which chemical element
4. astro1image2What event does this diagram represent?
5. What biological process releases oxygen into the atmosphere?
6. How does exhaled air compare to inhaled air ?
7. A block of plastic has a volume of 6cm3 and a mass of 12g. What is the DENSITY of the plastic?
8. On the MOH's scale of hardness what is the softest substance
(1 on the MOH's scale)
9. A fungus is an example of a saprophyte.
Saprophytes are living organisms that:
10. How many degrees Fahrenheit is 10 degrees Celsius?