science past test papers help me please!!!?

Hi ,I have an exam soon on my physics.I'm in year 9,I need some past test papers to help me with my exam my topics are the following:
heat transfer
radiation
heat conduction
heat convection
useful heat transfers
energy transfer
efficiency of machines
energy transformations
energy transformations in diagrams
the cost of electricity
energy efficiency in homes
electricity and national grid
non-renewable energy and power stations
using renewable energy resources
comparison of energy resources

please help me,if you have done a similar exam to me and maybe list some of the questions they are likely going to ask me from these topics above.
Thanks in advance