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Earth and Space Science
Earth and Space Science

... use the sun’s energy to make their own food, and fix nitrogen, a process where nitrogen gas is converted into ammonia or nitrate. (NH3; NO3) While this may not seem significant, the cycling of nitrogen on Earth is essential for life. It is found in amino acids, proteins, and genetic material. Nitrog ...
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CGF 3MO - TeacherWeb

... True or False – primarily questions from the current unit on atmosphere & storms with a few questions from oceans and glaciers Short Answer – questions primarily from material learned since midterm; atmosphere, glaciers, rivers, hurricanes, tornadoes, as well as volcanoes. Diagrams – label features ...
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... 78% Nitrogen (released from erupted volcanoes and decayed plants and animals). 21% Oxygen ( produced by plants) 1% Other gasses (argon, carbon dioxide, methane and water vapor). ...
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... Acceptable responses include, but are not limited to: — Dust particles can be blown into the atmosphere by winds. — a volcanic eruption — a forest fire 28.Which conditions normally can be found in Earth’s asthenosphere, producing a partial melting of ultramafic rock? (2) temperature = 2,000°C; press ...
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...  Cumulus : Masses of white puffy clouds-associated with fair weather and if build uphigh, turn into Cumulonimbus clouds (Thunderstorms).  Cirrus: Very high clouds that are wispy and often look like hooks. Made of Ice crystals. Height of clouds: Where they form. Strato-Low clouds, Alto- Midlevel C ...
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...  Cumulus : Masses of white puffy clouds-associated with fair weather and if build uphigh, turn into Cumulonimbus clouds (Thunderstorms).  Cirrus: Very high clouds that are wispy and often look like hooks. Made of Ice crystals. Height of clouds: Where they form. Strato-Low clouds, Alto- Midlevel C ...
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... Stratosphere • extends to 50 kilometers (31 miles) high • dry and less dense: no H2O vapor • temperature in this region increases gradually to -3 degrees Celsius, due to the absorption of ultraviolet radiation • ozone layer in this layer absorbs and scatters the solar ultraviolet radiation • ninety ...
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Earth`s Structure - hrsbstaff.ednet.ns.ca

... weak or strong it is and whether it is a liquid or a solid. The lithosphere (rock sphere) is the solid, strong and rigid outer layer of the Earth. It includes the crust and the upper most part of the mantle. It varies greatly in thickness, from as little as 10km in some oceanic areas to as much as 3 ...
Component 4: Chemistry Oils, Earth and Atmosphere – Word Bank
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... Oils - are certain types of liquids that do not mix with water. They may be vegetable or mineral. Solution - a mixture in which one substance is dissolved in another. For example, when you dissolve salt in water it makes a salt solution. Vegetable oil - this is oil which has been obtained from plant ...
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... •A much larger, but seasonal, decrease in stratospheric ozone over Earth's polar regions during the same period. The latter phenomenon is commonly referred to as the ozone hole. ...
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... 39. Warm air (low pressure) has a larger capacity to hold water than cold air (high pressure) because there is more space between the molecules. As air cools there is less room for water vapor and it condenses as dew or precipitation. 40. Global warming, believed to be caused by an increase in the g ...
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Plate Tectonic Notes: Lab Science 9

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Earth and Space Science

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psci 131 winter 2014 practice exam – meteorology
psci 131 winter 2014 practice exam – meteorology

... 1. Which lists the layers of the atmosphere in their correct order, from lowest to highest? a. Stratosphere, mesosphere, troposphere, thermosphere b. Troposphere, mesosphere, thermosphere, stratosphere c. Troposphere, stratosphere, thermosphere, mesosphere d. None of the above 2. Which gas makes up ...
Atmosphere Study Guide
Atmosphere Study Guide

...  The definition and components of: Atmosphere, Air pressure, and barometer  The four main layers of the atmosphere – air pressure/temp & important features o Troposphere, Stratosphere, Mesosphere, Thermosphere  Location of the Ozone Layer & Ionosphere Atmosphere Heating  Types of energy transfer ...
Word Sort Template
Word Sort Template

... Meteors burn up, coldest Temp: Decreases to -100C ~50-85km Outer layer of the atmosphere Temp: Increases to 2,000C Air molecules are 1km apart ~85-3500km Lower layer of the thermosphere where gas molecules lose electrons and become ions ...
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Atmosphere of Earth



The atmosphere of Earth is the layer of gases surrounding the planet Earth that is retained by Earth's gravity. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night (the diurnal temperature variation).The common name air is given to the atmospheric gases used in breathing and photosynthesis. By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere. Air content and atmospheric pressure vary at different layers, and air suitable for the survival of terrestrial plants and terrestrial animals is found only in Earth's troposphere and artificial atmospheres.The atmosphere has a mass of about 5.15×1018 kg, three quarters of which is within about 11 km (6.8 mi; 36,000 ft) of the surface. The atmosphere becomes thinner and thinner with increasing altitude, with no definite boundary between the atmosphere and outer space. The Kármán line, at 100 km (62 mi), or 1.57% of Earth's radius, is often used as the border between the atmosphere and outer space. Atmospheric effects become noticeable during atmospheric reentry of spacecraft at an altitude of around 120 km (75 mi). Several layers can be distinguished in the atmosphere, based on characteristics such as temperature and composition.The study of Earth's atmosphere and its processes is called atmospheric science (aerology). Early pioneers in the field include Léon Teisserenc de Bort and Richard Assmann.
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