At the of the quiz press ‘Submit’ for your score and the answers

1. The filament of an electric light bulb is often made of
2. The spine (or backbone) is used for
3. What organ in our body contains valves?
4. What are your lungs for?
(note: none of the answers is ‘breathing’!)
5. What force causes a moving car to slow down?
6. What instrument would you use to measure a force?
7. The substance found in pencil ‘leads’ is made from
8. A window is made out of glass because glass is
9. How many planets are in the Solar System?
10. What do we call the first organism in any food chain?