I this example: Convection, Radiation, or Conduction
The kitchen gets warm when someone uses the oven.

Convection

becuse thats what the oven uses

Radiation

Explanation:

Radiation is like for example the sun gives out the radiation from it's heat and for the example you have the heat from the stove is warming the house up from it's radiation waves.

it would be kevlar ^^

current flows in a wire