Energy Revision Notes Energy You have to know



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Energy Revision Notes
Energy - You have to know:


  1. The 8 TYPES of energy (remember MACHELPS):

Movement


Atomic

Chemical


Heat

Electrical



Light

Potential



Sound


  1. Different renewable/non-renewable energy resources:




Renewable

Non-Renewable

Wind

Coal

Solar

Oil

Geothermal

Gas

Biomass

Nuclear

Hydroelectric




Wave






  1. You should also know advantages and disadvantages of different types of source (e.g. that wind is renewable (advantage) but not able to be used everywhere (disadvantage).



  1. The three fossil fuels are coal, oil and gas. They are called fossil fuels as they are made from dead plants and animals that have been fossilised over millions of years.




  1. Energy is never created or destroyed – it is only changed from one type into another.


States of Matter - You have to know:


  1. Solid, liquid and gas are the three states of matter.




  1. The arrangements of molecules in the three states of matter:






  1. You should also know about the different states of water:





  1. Chemicals (like water), will change state if they lose or gain heat energy.


Heat – You have to know:



  1. Heat passes through solids by CONDUCTION, like demonstrated in the drawing pins and Vaseline experiment. The pins fell off one by one as heat moved (through conduction) along the copper rod.




  1. When particles in a solid are heated they vibrate. As they do so, they pass these vibrations onto other particles, allowing the heat to travel through the solid.



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