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Ch. 10 Earth's Atmosphere
Carter Lomax
23
Science
6th Grade
02/09/2009

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Cards

Term
Atmosphere
Definition
layer of gases surrounding Earth
Term

Earth's atmopshere is _____% Nitrogen and _____% Oxygen

Definition

Nitrogen  78%

Oxygen  21%

Term
Aerosols
Definition
Solids such as dust, salt, pollen, and volcanic ash in the atmosphere.
Term

Name the 5 layers of  Earth's atmosphere.

Definition

1. Troposphere

2. Stratosphere

3. Mesosphere

4. Thermosphere

5. Exosphere

Term
Meteorites burn up due to friction in this layer.
Definition
Mesosphere
Term
Altitude
Definition
describes how high up in the atmosphere something is
Term

Ozone is found in this layer

Definition
stratosphere
Term
 All of Earth's weather occurs in this layer
Definition
Troposphere
Term
Satelites orbit around Earth in this layer
Definition
Exosphere
Term
This zone has extremely hot temperatures
Definition
thermosphere
Term
water cycle
Definition
Earth's water is constantly in motion
Term
precipitation
Definition

rain, sleet, hail, or snow

Term
Condensation
Definition
water vapor cools back into tiny liquid droplets that can collect to make clouds
Term
Infiltration
Definition
water goes down the ground through permeable rock
Term
Evaporation
Definition

the sun heats up  water causing it to turn into a gas called water vapor

Term
water vapor
Definition

water in gas form

Term

 

Definition
Term
weather
Definition
describes the current condition of the atmosphere
Term
Air pressure
Definition
weight of air
Term

As air cools.....

Definition

1. molecules condense

2. air becomes more dense

3. air sinks pushing down on the air below

4. creates an area of high pressure

Term

As air is heated...

Definition

1. the molecules expand

2. air becomes less dense (lighter)

3. air rises

4. creates a low pressure system below

Term
sun
Definition

1. provide thermal & solar energy

2. powers the water cycle

3. uneven heating of Earth creates high and low pressures systems which create wind

Term

Wind moves from______ to _______ pressure

Definition

High

to

Low

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