Sun is the primary source of heat here in the Earth. As time moves on, human developed new sources of heat and light. Some of it are the torches, lamps, candles and others
1. Chemical action - fuels like coal, kerosene, oil, and gasoline.
2. Mechanical energy - e.g. rubbing hands
3. electrical energy
4. nuclear energy
what are the four sources of heat
Sun is the source of heat. It also provides thermal energy.
heat
Fire and the sun!
Machines, Radioactivity Electricity
the sun gravitational compression of the still not fully compacted Earth (gravitational potential energy is converted to heat during compaction) radioactive decay comet and meteor strikes cosmic rays and neutrinos from extra-solar sources
electricity, solid fuel, fire(using wood), infrared light, light bulb or heat lamp, gas e.t.c
Sun is the primary source of heat here in the Earth. As time moves on, human developed new sources of heat and light. Some of it are the torches, lamps, candles and others
The difference between natural and artificial sources of light is that natural sources are produced by the sun while artificial light sources illuminate using energy from other sources and include incandescent bulbs.
biofuels
Natural sources : sun, firefly Artificial sources: oil lamps, tube lights
artificial sources of water can be either recycled water or converted water from sea
By absorbing heat from its surroundings. In the wild, this would involve basking on a rock under the warm sun. In captivity, relying on artificial heat sources provided by reptile keepers.
what are the four sources of heat
sun,star
Main sources of internal heat are Magmatism and Radioactivity.
All heat sources. Plus extreme cold sources cause burns.