1) In a gas cooker the is natural gas. The energy in the gas is converted to and energies.
2) In a radio energy is used to detect and amplify energy in the form of radio waves. The output from a radio is energy and energy. The heat energy is the non- energy.
3) In a vacuum cleaner energy powers an electric motor which drives an air pump ( energy) which sucks up dust. and energy are unwanted energies given out.
4) In a clockwork toy energy is transformed into energy of movement of the toy.
5) In a jet plane energy in the fuel is converted to energy which drives turbines in the jets. This gives energy to air drawn into the engines and expelled at high speeds pushing the aircraft forwards. energies are and .