Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
46 Cards in this Set
- Front
- Back
Air pressure
|
The weight of the air pushing on everything around it
|
|
Temperature
|
The average speed of particles in a substance; heat
|
|
Atmosphere
|
The air that surrounds earth
|
|
Humidity
|
The amount of water vapor in the air
|
|
The layer of atmosphere were most weather happens is
|
Troposphere
|
|
This fact it does not affect air pressure
|
Wind
|
|
Rising air pressure means that
|
Clear weather is coming
|
|
A land breeze generally forms in the
|
Evening
|
|
Which absorbs heat faster land or ocean
|
Land
|
|
High-pressure system will bring what kind of weather
|
Sunny
|
|
Hygrometer measures
|
Humidity
|
|
Barometer measures
|
Air pressure
|
|
Wind vane measures
|
Wind direction
|
|
Anemometer measures
|
Wind speed
|
|
Rain gauge measures
|
Rainfall
|
|
Hygrometer measures humidity in
|
Percentage units
|
|
Barometer measures air pressure in
|
Inches/millibars or PSI
|
|
Windvane measures wind direction in
|
Compass direction
|
|
Anemometer measures wind speed in
|
Miles per hour
|
|
Rain gauge measures rainfall in
|
Inches
|
|
What percent of earths surface is covered in water
|
75% or 3/4
|
|
What percent of the Earth's water is saltwater
|
97% (oceans)
|
|
What percent of the earth water is freshwater
|
3%
|
|
What percent of Earth's water is fresh water and liquid
|
1% ( Lakes, ponds, springs, atmosphere, swamps underground water, rivers)
|
|
What percentage of Earth water is fresh water and solid
|
2% (glaciers and ice caps)
|
|
Evaporation is
|
Changing a liquid to a gas with heat
|
|
Condensation is
|
Cooling a gas into a liquid
|
|
Aquifer is
|
Is a natural underground water store
|
|
The water cycle is
|
A constant movement of water from Earth surface to the atmosphere and back. It allows us to recycle our water.
|
|
Five jobs of the atmosphere
|
1. Holds in heat
2. Holds the air that we breathe 3. Protects us from the suns radiation 4. Recycles Earth's water supply 5. Protects us from space rocks |
|
The atmosphere is mostly made of
|
Nitrogen and oxygen gases
|
|
Other things in the atmosphere include
|
Dust, soot, pollen, carbon dioxide, and water vapor
|
|
Oxygen makes up what percent of the atmosphere
|
21%
|
|
Nitrogen makes up what percent of the atmosphere
|
78%
|
|
Other stuff makes up what percent of atmosphere
|
1%
|
|
Which "sphere" is closest to the earth
|
Troposphere where all the weather happens
|
|
How are clouds measured
|
By how high they are and their shape
|
|
Cirrus clouds are known for
|
Ice crystals
|
|
Cumulonimbus of clouds are known as
|
Thunder heads
|
|
Cumulous clouds are known as
|
Fairweather
|
|
Nimbostratus clouds
|
Are weather clouds that make rain and snow
|
|
The leading edge of an air mass is called a
|
Front
|
|
A warm front brings
|
Rain and warm temperature
|
|
The two things that determine climate are
|
Temperature and precipitation
|
|
The four factors that affect climate
|
1. Latitude
2. Elevation 3. Distance from large bodies of water 4. Landforms |
|
Cold fronts cause
|
Bad storms and cold air
|