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Covering some 70 percent of Earth's surface, clouds play a key role in our planet's well-being. But how do they form, why are there so many types, and what clues can they give us about the weather and climate to come? Try your hand at classifying clouds and investigating the role they play in severe...
Grade Level   6 7 8 9 10 11 12
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2
COMET and MetEd offer many resources suitable for use in teaching geosciences to students in K-12.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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3
Published in 2015
We're heading out of this world to compare atmospheric compositions of the other planets in the solar system, as well as our own. Practically every other planet in our solar system can be considered to have an atmosphere, apart from perhaps the extremely thin, transient atmosphere of Mercury, with...
Grade Level   3 4 5 6 7 8 9 10 11 12
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4
A simple key for identifying clouds.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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5
Published in 2010
"Trying to build a device to measure how fast the wind is blowing in this SciGirls engineering activity. You may have heard a weather reporter warn, """"Wind gusts are up to 30 mph!"""" Scientists measure wind speed using a weather instrument called an anemometer, which relies on cups attached to...
Grade Level   5 6 7 8
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6
Learn how to identify cloud types by using this flow chart from the International Cloud Atlas. Clouds are divided into 10 fundamental types known as genera, depending on their general form. The genera are then further subdivided based on a cloud's particular shape, structure and transparency; the...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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7
Thunder is the result of the rapid expansion of super heated air caused by the extremely high temperature of lightning. Through a series of examples, the student will be able to determine the distance to a lightning strike.
Grade Level   6 7 8 9 10 11 12
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8
SKYWARN is a concept developed in the early 1970d that was intended to promote a cooperatve effort between the National Weather Service and communities. The emphasis of the effort is often focused on the storm spotter, an individual who takes a position near their community and reports wind gusts,...
Grade Level   9 10 11 12
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9
Rain and hail will be suspended by the updraft inside a thunderstorm until the weight of the hail and water can no longer by supported. Usually, the stronger the updraft in a thunderstorm, the more intense the storm and the larger size of hail that can be produced. Suspending a ping pong ball in th...
Grade Level   7 8 9 10 11 12
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10
The updrafts in thunderstorms can be extremely strong. The stronger the updraft, the more weight of rain and hair that can be supported. This experiment will show thta cotton balls, like clouds, hold a tremendous amount of water. In nature, once the weight of water is more than can be supported by...
Grade Level   7 8 9 10 11 12
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11
Meteorologists often refer to ridges and troughs in the upper atmosphere when explaining the reason for the weather one experiences. Yet all one sees are lines on a weather map. However, these weather systems are high and low places in the atmosphere as this lesson will demonstrate.
Grade Level   9 10 11 12
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12
Clouds are divided into four basic forms (Cirro-form, Strato-form, Cumulo-form and Nimbo-form) at three basic levels (low, middle, and high) in the atmosphere. Many locations may experience all of these different types of clouds daily. The students will become better observers of the sky by...
Grade Level   3 4 5 6 7 8 9 10 11 12
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13
Clouds are divided into four basic forms (Cirro-form, Strato-form, Cumulo-form and Nimbo-form) at three basic levels (low, middle, and high) in the atmosphere. Many locations may experience all of these different types of clouds daily. The students will become better observers of the sky by...
Grade Level   3 4 5 6 7 8 9 10 11 12
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14
In a clean-air chamber (all solid particles are filtered out) a cloud will not form even with a relative humidity greater than 200%. While clouds are made up of droplets that are essentially distilled water, each droplet is not 100% pure. At the cloud droplet's core is a tiny water attracting...
Grade Level   6 7 8 9 10 11 12
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15
Collision and coalescence is the process by which cloud droplets grow large enough to fall as rain in clouds. You will suspend two ping pong balls in the stream of air supplied by a hair dryer. The balls will bump into each other, creating a clicking sound signifying the collision.
Grade Level   6 7 8 9 10 11 12
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16
We feel the wind everyday. The air is almost always in motion. One day it may be from the north and the next day from the south. There are many sources for wind: mechanical sources such as fans and, in nature, falling rain as it drags air along. But what is the origin of wind on the earth? Using a...
Grade Level   9 10 11 12
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17
Onjects float if they weigh less than the weight o the water they displace. Conversely, onjects will sink if they weigh more than the weight of the water they displace. Students will observe how the added sigar in a can of soda affecs its ability to float in water by the change of density.
Grade Level   6 7 8 9 10 11 12
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18
What does up, must come down. Precipitation is the most commonly seen aspect of the hydrologic cycle. Students will learn how the water cycle works using 3-D paper craft activity. The students will see a demonstration of the concept of precipitation.
Grade Level   3 4 5 6 7 8 9 10 11 12
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19
Barometers using mercury are heavy and fragile. The first working version of an aneroid (without water) barometer was built in 1843 by French scientist Lucien Vidie. This made the barometer very portable and it became a commonly used meteorological instrument. It was still calibrated to the...
Grade Level   9 10 11 12
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20
The amount of air over us is constantly changing. As a result, the weight of that air, called pressure, is constantly changing. These changes in air pressure are indications of changes in our weather. We measure this change using a device called a barometer (bar-meter or measurer).
Grade Level   9 10 11 12
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