1. Earth’s Atmosphere

2. Properties of water liquid freezing condensation melting evaporation
solid
gas
sublimation

3. Water Cycle Melting Sublimation Freezing Evaporation Condensation
Solid to liquid
energy
Sun.
Water Cycle is driven by ________from the _________
Sublimation
Solid to gas
Freezing
Liquid to solid
Evaporation
Liquid to gas
Condensation
Gas to liquid
Transpiration
Water evaporates from plants
Video Water Cycle

4. Air Does air have volume (takes up space)? Does air have mass?
Layer of air that surrounds earth-
Video Earths atmosphere
Video Traveling through Earths Atmosphere
Layers of Earth’s Atmosphere
iPhone in Space
yes
yes
atmosphere

5. Earth’s Atmosphere What is the composition of Earth’s Atmosphere?
Exosphere
What is the composition of Earth’s Atmosphere?
Thermosphere
78% Nitrogen
21% Oxygen
0.95 Argon
< 1% Carbon Dioxide and other gasses
Water vapor – amount ________ but almost all the water vapor is found in the ________________
varies
troposphere
Mesosphere
Highest Jump Ever Video
Stratosphere
Troposphere

6. Earth’s Atmosphere and Pressure
The Earth’s pressure ___________________as you go up in Earth’s Atmosphere
rapidly decreases
Which layer of Earth’s Atmosphere is 80% of the Earth’s air located in?
Troposphere

7. Earth’s Atmosphere and Temperature
True or False: the layers of the atmosphere are determined by the change of air pressure.
False- it is determined by the change in temperature
True or False: The temperature steadily decrease as you rise in elevation in Earth’s atmosphere.
False- temperature decreases, increases, decreases, and then increases at each layer change

8. Global Prevailing Winds
Wind blows from one direction more than any other direction
The pattern of prevailing winds influences global climates-
Winds move moisture and heat around the world and also produce much of our weather.
Ocean and wind circulation video

9. Wind Currents/Prevailing Winds
Wind currents help distribute the ___________from one part of the world to another.
Warm air currents make areas _________than normal.
Cold air currents make areas _________ than normal
Prevailing winds play a key role in determining the _________ and _________ side of mountains.
sun’s heat
warmer
cooler
windward
leeward
High Pressure Air
Low Pressure Air
Wind blows from areas of High Pressure to Low Pressure

10. What is the tool used to measure wind direction?
What causes Wind?
Differences in temperature and pressure
How is wind named?
Direction it is coming from not going
What is the tool used to measure wind direction?
Wind Vane
What tool is used tool measure wind speed?
Anemometer