1. Done by: Lau Wai Soong(18)

2.  Objective  Useful elements, compounds or mixtures  Description of how those elements, compounds or mixtures are useful  Conclusion

3.  List down 10 useful elements, compounds or mixtures  Educate people on how they are useful

5.  Vital for Survival  Allows a fire to be started and food to be cooked  Almost all life would be wiped out without oxygen

6.  Used by Plants for photosynthesis  Photosynthesis produces oxygen  Photosynthesis not possible without carbon dioxide  Other uses as well (fizzy soft drinks, PH control and extinguishing fires)

7.  Also known as water  Solvent for many biological reactions within organisms (keeps us alive)  Birthplace of life on Earth

8.  Conductor of Electricity  Used in many electrical appliances(wires)  Cheap alternative to gold as a conductor

9.  Burnt for heat energy(Coal, charcoal)  Used to produce electricity  Used in pencils  Activated Carbon used for many chemical reactions  Used to make diamonds  Retains heat and keeps temperature on Earth stable

10.  Very dense metal with a very high melting point  Will not break or weaken even at high temperatures  Used in light bulbs as they give out heat  Allowed for light bulbs to be invented which allowed everyone to have light easily

11.  Construction materials used by man  Allowed weapons to be crafted  In the past, allowed humans to triumph over other animals  Houses to be build and many other household items  Greatly improved quality of life

12.  Petroleum product which can be made into many plastics  Fuel for cars, airplanes and many machines  Foundation for many petrol chemical products  Used to burn for energy

13.  Weakly radioactive chemical used for nuclear power  Nuclear Power does not give out greenhouse gases and is efficient