Energy, Change, System and Control Crossword

A Substance that can be eaten or burned to produce energy
People who are trained to help put out controlled fires
To keep something from happenning
Source of stored energy that is made of one or more cells
The place where electricity from a substation is connected to the electrical circuits in a building
Energy that is stored in something, for example in food or fuel; it can be changed
Changes the energy in chemicals into electricity
The part of an electrical appliance that can be connected to a wall socket
The energy, such as heat and light energy, that is produced when a fuel burns
A system that provides a path for the transfer of electricity
A machine that produces electricity
The energy we need to 'put in' to start a fuel burning
A rod attached to a wheel
Centre point
The electricity in an electric circuit
The part of the wall where an electrical appliance can be connected to an electrical circuit
A rod that turns, with blades arranged like a wheel around it
A materail that returns quickly to its original shape after it has been bent or stretched
Squeeze or push the parts of something together
Two or more parts that work together to carry out a function
Parts of a machine that do specific jobs to make the machine work
A system in which the axle turns together with the wheels
A system in which the axle remains fixed while the wheels rotate around it