Energy in the Atmosphere
Radiation
1. Nearly all _______________ on Earth originally came from the __________.
2. ________________ is a form of energy transfer from ____________ miles away!
3. It is ________ heat!
4. _____coming _______ar radi_____________ = warms our planet and atmosphere.
5. _________________
ElectroMagnetic Radiation (EMR)
6. Energy that _________________ from the Sun is __________________radiation or ____________
7. This energy travels as ________________ of differing ______________
8. All travel at the speed of ____________(______________ km/s)
The Atmosphere & Solar Radiation
9. ______% of radiating solar energy is absorbed by the Earth’s
______________ or the _______________
10. ______% is reflected back into _____________
11. The amount ____________ is called ________________
12. Some of the absorbed radiation will eventually be
___________________ back into space.
13. Incoming radiation is _____________by earth’s surface and changed to _________ (__________
energy)
Intensity
14. The __________ of the Sun in the sky determines the
______________of the sunlight that reaches the ________
15. Directly above (____°) = most ____________
16. ___________ angles = ________ intense (spread out
over _________land)
17. So, __________________ affects intensity!
Greenhouses & The Greenhouse Effect
18. Greenhouses collect ___________ energy to
__________ the plants inside.
19. The energy is given back off as ____________ radiation (_________ wavelengths= _________) that
cannot __________.
20. This causes the inside to be _____________ than the outside.
21. This happens with Earth’s _________________ too.
Greenhouse Gases
22. The most abundant (_________%) greenhouse gas is
_____________ _________________. Some of this gas is
naturally present in our atmosphere from the __________ of
biomass and natural fires. Most of it comes from ____________
____________ use and ____________________ (burning of the
forests for agriculture).
23. Approximately ________ of the greenhouse gas emissions
come from _________ production, _____________ (vehicles),
______________ (manufacturing, etc.) and home& businesses heating and cooling.
24. Looking at ice core gases from the Antarctic scientists have seen carbon dioxide levels have risen
starting with the ____________ revolution in the mid-1800s. As CO2 levels increase so does average
_________________. Only one year (1998) in the 20th century was warmer than _________!
Conduction
25. ________________ is the transfer of heat by __________ or ____________. Think of a pot on the
stove! (or the metal spoon in the pot)
26. The ground and oceans heat _______molecules that __________them by the process of conduction.
Convection
27. The warmed air is ____________dense than the air above it, so it rises ____.
28. As it rises it begins to ___________. The cooled air _________ to the ground and
is __________by ____________ again (and rises again). This is similar to boiling
water in a pot.