It is a great hobby don't be afraid to ask these questions. A chicken stick is used to flip the propeller over without having to use your hands or fingers touching the propeller.
Tower hobbies has several you can see they are mostly just a stick with a grip for your hand and an area to contact the prop so you can flip the engine over to start.
http://www2.towerhobbies.com/cgi-bin...1&I=LXA380&P=7
The 5%, 10%, 15% indicator on fuel is how much Nitro it contains. Nitro does a couple of things for glow engines. It enables them to "perform" better, that is allowing higher RPM thus more thrust and power. It also enables them to idle a bit slower and still keep running. Most sport engines run fine on 5%-15% nitro. It is expensive stuff - that is why the more nitro you use the higher the cost of the fuel. Remeber some engines don't like high nitro and some engines demand it. If you use a OS FX or LA type engine start with 10%.
The best way to get started is to find a local hobby shop ask them about fields and go visit. Someone there will help you.
Enjoy!
Mike