thermal, electrical, chemical, or radiation
Yes, friction produces heat.
no, but it traps heat b/w its layers
Sun.
With a heat source, slowly so as to not shatter the beaker.
yes
4. The dry air will be a heat source for the water
the sun is our source of heat
Yes the sun is a source of heat.
Heat does, indeed, go from a warm source to a cold place. That is what heat always does.
The main source of energy and heat is the sun.
A heat wave is a source of thermal energy.
sun is the primary source of heat and light......
Stuff that is hot
It is a natural source of heat energy
The main source of heat is the Sun.
The sun is the source of heat and light for plant-life.