Scientific Content 3 Flashcards
0
Q
Responsible for weather systems on earth
A
Sun
1
Q
Primary source of energy for earth
A
Sun
2
Q
Electromagnetic energy
A
Earth absorbs it in different surfaces. The differences in the surfaces lead to uneven heating and cooling of the earth’s atmosphere.
3
Q
When surface is heated…
A
Air above is also heated
4
Q
What moves the atmosphere around and is responsible for differences in weather
A
Air currents
5
Q
Conduction
A
Transfer of energy when one particle bumps into another particle.
6
Q
Particles in warmer objects move..
A
Faster than cooler objects
7
Q
Convection
A
The transfer of heat by movement of materials.
8
Q
When air is warmed…
A
Less dense
Lowers in pressure
Rises vertically
9
Q
When air is cooled
A
More dense
Higher in pressure
Sinks
