1. unit
10/17/2012

2. Cartoon

3. Learning Targets
1). You will understand that the atmosphere is organized into layers based upon temperature.
2). You will understand the role each layer takes in heating or protecting the Earth.

4. Atmosphere Main Components: What Heats the Atmosphere?
Nitrogen
Oxygen
What Heats the Atmosphere?
Water Vapor
Carbon Dioxide
Carbon Containing : Fuel, Coal, Natural Gas
Why is the temperature different?
Differences in how sunlight, solar energy, is absorbed

5. Graph labels Layers of the Atmosphere Boundaries
1). Troposphere 1). Tropopause
2). Stratosphere 2). Stratopause
3). Mesosphere 3). Mesopause
4). Thermosphere

6. 4 Layers of the atmosphere
Troposphere
Temperature decreases with increasing altitude.
Farther away from the warm Earth
Earth is an awesome absorber of solar energy; sunlight.
Earth Mainly absorbs visible light and infrared
Earth warms the troposphere
Contains the most “stuff”/highest gas concentration is found here
Tropopause: Boundary between Troposphere and the next layer.

7. 4 Layers of the atmosphere
Stratosphere
Stratosphere: The second layer of the atmosphere from Earth that contains ozone.
Temperature increases with altitude .
Caused by Ozone (O3)
Ozone (O3): absorbs UV radiation
Protects us from harmful UV rays
Too much UV exposure disturbs DNA and can cause cancer.
Stratopause: Boundary between the Stratosphere and the next layer.

8. Fun FACTS Troposphere Stratosphere Clouds Form Here
Birds can only fly in this level
Normal Airplanes only use this level
Contains Ozone
Military high-altitude plans can fly above the ozone
Weather balloons can travel this high.

9. 4 Layers of the atmosphere Cont..
Mesosphere
Thermosphere
Temperature decreases with altitude.
Does not absorb any solar energy..
Mesopause: Boundary between the Mesosphere and the next layer.
Temperature increases with altitude.
Heated by the Sun
Contains the least amount of “stuff”

10. Thermosphere Fun Facts
Mesosphere Fun Facts
Thermosphere Fun Facts
Reflects Radio Waves
Where you see the streaking tail of meteorites.
Burn up here
Aurora Borealis/Northern Lights happen here

11. Weather Project
Use a city that starts with the same letter as your last name
Exp: Last Name = Taylor City = Talbotton, Georgia
Take the required measurements at
Draw all the fronts on the map

12. Question of the Day
Draw the layers of the atmosphere in order making sure to include what types of sunlight are absorbed in each layer.

13. 5 MINUTES Vocabulary WORK TIME
Words on Chapter 11 Vocabulary
This was we can all discuss
11). Convection
12). Conduction
13). Radiation
14). Heat
15). Temperature

14. Cartoon

15. Learning Targets
1). You will understand that the 3 methods of heat transfer.
2). You will understand the relationships between temperature, and pressure, temperature and volume, and temperature and density.

16. Temperature Cartoon

17. What’s the difference? Heat Temperature
Heat = Energy Transfer between systems
Flow of energy
Goes from places of high energy to places of low energy
Average speed of molecules…
Class demonstration

18. 3 Main ways heat travels
1). Conduction: The direct transfer of heat from one solid object to another.
2). Convection: The transfer of heat energy through a liquid and/or gas.
3). Radiation: The transfer of heat energy in a gas medium or space.

19. Conduction
The direct transfer or movement of warmth and energy from one molecule to another molecule by collision.
Example: A hot stove top to your hand
Example: You to a cold chair

20. Convection
The organized motion or movement of large groups of molecules based on their relative densities or temperatures. *How heat is transfer in the atmosphere and oceans.
Example: How water moves in a hot pan when you make Mac-N- Cheese

21. Radiation
Radiation: The transfer of heat energy in a gas medium or space.
The method by which the sun's energy reaches the earth.
50% Transmitted
Passes Through the Atmosphere
20% Absorbed
30% Reflected and Scattered
Bounced back into space

22. Radiation….Will Earth Accept it?
Albedo: The ability of a surface to reflect light
Things with high albedo….good reflectors
Things with low albedo….good absorbers

23. Data Collection: Mini experiment
Water Temperature Data
Ice Water Temperature : ____________________
Warm Water Temperature : ____________________
Balloon Circumference (distance around the balloon)
At room temperature : ______________________
In ice water : ______________________
In warm water : ______________________

24. Temperature, pressure, and density
When temperature , Volume , density
When temperature , Volume , density
Why?
Pressure decreases the farther away from Earth’s surface because there is less stuff
Pressure increases the closer towards Earth’s surface because there is more stuff pressing down on you.
Why does temperature decrease in the troposphere as you move away from Earth?

25. Temperature and pressure
Remember: Temperature is the average speed of molecules.
Predictions:
What do you think happens to Pressure as Temperature Increases?
What do you think happens to Pressure as Temperature Decreases?

26. Temperature and pressure
Number of Shakes
Temperature 5 10 15 20 25 30 35 40

27. Temperature, pressure, and density
When temperature , pressure , density
When temperature , pressure , density
Why?
Pressure decreases the farther away from Earth’s surface because there is less stuff
Pressure increases the closer towards Earth’s surface because there is more stuff pressing down on you.
Why does temperature decrease in the troposphere as you move away from Earth?

28. Question of the Day
What are the 3 methods of heat transfer and how do they relate to weather?
**Provide an Example for Each