Term
| The _______is the envelope of gasses that surround the Earth |
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Definition
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Term
| _____________is the condition of of Earths atmosphere at a particular time and place. |
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Definition
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Term
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Definition
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Term
| An Isotope of Oxygen that is made up of 3 atoms of Oxygen bonded together is? |
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Definition
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Term
| How is Nitrogen used by living things? |
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Definition
| To make protiens which are used in the growth and repair of tissues. |
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Term
| What is the most abundant gas in Earths atmosphere |
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Definition
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Term
| What is the second most abundant gas in Earths atmosphere? |
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Definition
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Term
| why is oxygen important to living things? |
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Definition
| Oxygen is used by living things in resporation. Resporation is the use of oxygen to breakdown and release energy from food. |
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Term
| what gas is important in combustion? |
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Definition
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Term
| The process by which water changes into water vapor |
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Definition
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Term
| Why is ozone important in the atmosphere? |
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Definition
| It absorbs harmful ultraviolet radiation |
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Term
| Why is carbondioxide important in the atmosphere? |
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Definition
| Plants us it in the process of photosynthesis (using the sunlight to make food) Plants give off oxygen as a waste product. |
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Term
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Definition
| Carbon dioxide and water vapor |
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Term
| What atmospheric gas is variable? |
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Definition
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Term
| Which atmospheric gas is important in Earth's weather? |
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Definition
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Term
| the process in which water vapor changes into a liquid is called |
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Definition
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Term
| Name some of the solid particles that can be found in Earth's atmosphere |
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Definition
| Dust, Spoke, pollen, salt |
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Term
| Why is Earth's atmosphere important? |
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Definition
| Earth's atmosphere makes conditions on Earth suitable for living things. It contains oxygen and other gasses living things need to survive. it traps heat from the sun, help to keep us warm. The atmoshpere also protects living things from harmful radiations and objects from space, such as meteors. |
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Term
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Definition
| Density is the amount of mass in a given volume. Censity is calculated mass devided by volume |
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Term
| _________ is the force pushing on an area. |
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Definition
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Term
| Pressure caused by the weight of a column of air pushing down on an area is called_________. |
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Definition
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Term
| What instrument is used to measure air pressure? |
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Definition
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Term
| What units are used to measure air pressure? |
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Definition
| millibars or inches of mercury |
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Term
| What is another word for altitude? |
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Definition
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Term
| What happens to airpressure as altitude increases? |
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Definition
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Term
| What are two types of barometers? |
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Definition
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Term
| As your altitude increases, what happens to the density of the air? |
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Definition
| the air's density decreases |
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Term
| A rising barometer is associated with _______ weather. |
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Definition
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Term
| A falling falling barometer is associated with ______ weather. |
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Definition
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Term
| Ona weather map, lines that join places with the same air pressure are called_______. |
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Definition
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Term
The earth's atmosphere is divided into four layers according to ______________. |
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Definition
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Term
As the altitude in the troposphere increases, the temperature ____________. |
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Definition
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Term
List the four main layers of Earth's atmosphere.
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Definition
troposphere, stratosphere, mesosphere, thermosphere |
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Term
| What are the two layers of the thermosphere? |
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Definition
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Term
In which layer of the atmosphere does most weather occur? |
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Definition
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Term
In which layer of Earth's atmosphere do meteors burn up? |
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Definition
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Term
Which layer is the coldest layer? |
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Definition
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Term
Which layer of the atmosphere contains the ozone layer? |
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Definition
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Term
How does the ozone layer protect us? |
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Definition
| The ozone layer absorbs harmful ultraviolet radiation from the sun. |
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Term
The auroras occur in which layer of the atmosphere? |
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Definition
ionosphere (thermosphere) |
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Term
Satellites orbit in which layer of the atmosphere? |
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Definition
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Term
We live in which layer of the atmosphere? |
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Definition
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Term
Why do the temperatures increase as you move up through the stratosphere? |
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Definition
Temperatures increase because the ozone in the stratosphere absorbs ultraviolet radiation from the sun, converting it into heat. |
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Term
| Which layer of the atmosphere is divided into two parts? |
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Definition
The thermosphere is divided into two parts; the lower part is the ionosphere and the upper part is the exosphere. |
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Term
Which layer is the warmest? |
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Definition
The thermosphere is the warmest layer but you would not be able to feel the warmth since the air molecules are so far apart. (Temperature in this layer refers to the temperature of the individual molecules.) |
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Term
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Definition
Pollutants are harmful substances in the air, water, or soil. |
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Term
Natural sources of air pollution come from _____________. |
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Definition
forest fires, soil erosion and dust storms, erupting volcanoes |
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Term
What human activities pollute the atmosphere? |
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Definition
farming, construction, burning fossil fuels |
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Term
What is London-type smog? |
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Definition
Smog that forms when particles in coal smoke combine with water droplets in humid air. |
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Term
What is photochemical smog? |
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Definition
Photochemical smog is the brown haze that is formed when sunlight acts on hydrocarbons and nitrogen oxides to form a mixture of ozone and other pollutants. |
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Term
What is acid rain and how does it form? |
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Definition
Acid rain contains more acid than normal. Acid rain forms when sulfur oxides and nitrogen oxides combine with water in the air to form sulfuric acid and nitric acid. |
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Term
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Definition
Environmental Protection Agency |
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