fire for heat,light and sun for light.
the sun.... its both.....
Fire, Sun, and lights.
fire
No. Part of the energy is wasted, mainly as heat.
light travels on its sources by energy transformations ;for example match=fire=heat=light=smoke or burnted candle wax
All heat sources. Plus extreme cold sources cause burns.
It Doesn't!!! Light sources sometimes emit heat as Infra Red radiation which is part of the electromagnetic spectrum, like visible light, but you can't see it. It Doesn't!!! Light sources sometimes emit heat as Infra Red radiation which is part of the electromagnetic spectrum, like visible light, but you can't see it. Light = Energy = Heat = Can make light?
No. That's one of the things that makes fireflies an object of interest in chemical research.
Sources of heat and light? 1.Resistance 2.Nuclear Reaction 3.Fiction 4.Chemical Reaction
People, computers and light bulbs.
fire and the sun