a gas that comes from under the ground and that you can use for heating or cooking things
natural gas
a hard black thing that comes from under the ground and gives out heat when you burn it
coal
a thick liquid that comes from under the ground and the ocean. We use it for energy and to make machines work smoothly
oil
an are of land with a lot of wind turbines on it that are used to make electricity
wind farm
power that comes through wires; it can make heat and light, and make machines work.
electricity
the action of making the air or water dirty and dangerous
pollution
A special type of windmill that is used to make electricity.
wind turbine
a place with machines that make electricity
power plant
A boat that uses one or more sails to catch the wind.
sailboat
a tall building with long, flat parts that turn in the wind
windmill