it used to cook and heat.
Electric energy
To warm the house, to cook food.
calculators,cars ,cook food
Uh..., you heard of an egg cooking on a sidewalk?
covection?
Radio waves are used to cook in millions of kitchens every day. They're the carrier of the energy that fills the so-called "microwave" oven.
Heat energy is most familiar. It can be used to cook food, generate electricity and for many purposes.
To keep us warm, to cook our food, to run our engines, to wash our clothes, ....
The paleo-Indians of North America used geothermal energy 10,000 years ago to cook food. In the 18th century Italy used geothermal energy for industrial purposes, but the first geothermal power plant was put in in 1913.
Tidal energy is not yet used in New Zealand for electric power generation, but there are suggestions for installations in the northern harbours on the west coast, and for Cook Strait. The Cook Strait site is probably a better site.
Thermal energy has served many uses to humans. Thermal energy has been used to cook food, heat homes, and generate electricity.