1
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
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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3
There are three states of matter: gas, liquid, and solid. Water in our atmosphere exists in these three states constantly. As the temperature of water vapor (a gas) decreases, it will reach the point at which it turns into a liquid (called the dew point or the point at which dew forms). This change...
Grade Level   3 4 5 6 7 8 9 10 11 12
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4
This investigation is designed to help participants make connections between the different components of the Earth System (biosphere, hydrosphere, atmosphere and geosphere) through observing their local outdoor area, categorizing the observations into one or more “spheres”, and drawing links...
Grade Level   4 5 6 7 8 9 10 11 12
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5
This site provides ranking tasks for teaching introductory astronomy. Pensil-and-paper versions as well as computer-based versions are available grouped by topic. New materials will be added as the computer-based versions are completed. It is anticipated that the pencil-and-paper versions will be...
Grade Level   9 10 11 12
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6
In this activity, you will explore local rocks for signs of the Rock Cycle, the sequence of making and breaking down rocks.
Grade Level   5 6
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7
Water in its liquid state is visible, as ponds, streams, water in bottles, and wet surfaces. You can also see water in its solid form , ice and snow. Water as a gas in the air, also called water vapor, is invisible. The process of visible liquid water turning into invisible gaseous water is called...
Grade Level   5 6
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8
Earth's temperature is set, in part, by a balance between incoming radiation energy from the Sun and outgoing radiation energy into space. If more energy comes in than leaves, Earth's temperature will rise, and vice versa. The atmosphere plays a big role in this balance. In this activity, you will...
Grade Level   6 7 8
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9
Sunlight is constantly falling on Earth. At the same time, Earth is losing energy to the cold emptiness of outer space. In this activity, you will use a computer model to explore what happens to the Sun's energy when it strikes Earth.
Grade Level   6 7 8
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10
Check out this site to learn more about news and information about the Sun-Earth environment, from solar storms to sunspots to near earth asteroids.
Grade Level   9 10 11 12
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11
"Since the 1960 launch of Tiros I, weather satellites have been our """"""""eyes in the sky"""""""". Today, the ubiquitous nature of satellite technology augments every aspect of modern life while promising ever-increasing capabilities for stewardship during the 21st century. In this module,...
Grade Level   7 8 9 10 11 12
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12
Why is CO2 increasing in the atmosphere? Who is doing it? Many people think that CO2 is “pollution-” so that clean burning should be a way to eliminate greenhouse gas emissions. In this demonstration, we review basic chemistry (see illustration) to realize that producing CO2 is an...
Grade Level   6 7 8
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13
Published in 2007
Hurricanes are among the most common and most destructive types of natural hazards on Earth. Because they occur across space and time, hurricanes can be better understood using maps, particularly digital maps within a Geographic Information Systems (GIS) environment. GIS allows you to use maps as...
Grade Level   9 10 11 12
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