1% Trace Gases
21% Oxygen
78% Nitrogen
HEAT TRANSFER: How does Earth's atmosphere stay heated??
1. RADIATION
2. CONDUCTION
3. CONVECTION
Heat transferred through space
by electromagnetic waves
Heat energy is transferred
by direct contact
Heat energy transferred by the
movement from one place to another
(gases, liquids, or viscous solids)
Lying out in the sun to get a tan
Using a heating blanket to get warm
Cooking a hotdog over the fire
A pot sitting on a hot burner
How the inside of a greenhouse works
A person putting their cold
hands over a warm fire
Touching a metal spoon that is
sitting in a pot of boiling water
The interior of a car being warm even
though the outside temperature is cool
Forced air heating in a home
Putting your wet shoes on a
floor vent to dry them faster
Macaroni rising and falling
in a pot of boiling water