| What is the name given to 'packets' of light? |
| Name two greenhouse gases other than carbon dioxide. |
| Sort the following organisms into a food chain… chicken, fox hound, fox and wheat |
| Join the words polymerisation and monomer in a sensible sentence showing the meaning of both words. |
| Two numbers are given for a blood pressure reading- what is happening to the heart for the lower value? |
| Why might nanoparticles be used for tennis racquets? |
| How can plasticisers become dangerous when used in PVC water bottles and baby toys? |
| What do you cal the type of chemicals which kill, or inhibit, bacteria, fungi and viruses? |
