Chemistry, GCSE, Questions

Chemistry Brainteasers

Posted by St John's College Access on

Test your chemistry knowledge with these brainteasers from St John’s Chemistry Tutor Professor Richard Compton and his research group.

1. How could you charge your phone using lemons as the energy source?

Find out how to use lemons to charge your phone (PDF)

2. How can you measure the size of a molecule?

Learn how molecules are measured (PDF)

3. Can you estimate the minimum mass of graphene required to cover the entire surface of Earth?

Discover the estimated minimum mass of graphene required (PDF)

4. What is the only letter that does not appear in the periodic table?

See the letter that does not appear (PDF)

5. How do you make green fire?

Find out how to make green fire (PDF)

6. How can you make an invisible ink?

Reveal the secrets of invisible ink (PDF)