1
Water on earth is used over and over. The water cycle, the continuous movement of water from ocean to air and land then back to the ocean in a cyclic pattern, is a central concept in meteorology. In the water cycle, the sun heats the Earth's surface water, causing that surface water to evaporate...
Grade Level   K 1 2 3 4 5 6 7 8
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2
The ocean is the key element in Earth's hydrologic cycle (water cycle). Students will construct a simple model of the hydrologic cycle to help them visualize and understand the movement of liquid water and heat. The hydrologic cycle is the continual movement of water from one place to another and...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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3
We can read about, hear, or see weather reports every day on the radio, television, Internet, or newspapers. Some of this information includes current air temperatures and highs and lows for that day. As a citizen scientist, you can take your own air temperatures with an outdoor thermometer and...
Grade Level   4 5 6 7 8 9
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4
Even small thunderstorms are dangerous. Every thunderstorm produces lightning, which kills more people than tornadoes each year. Thunderstorms also cause heavy rain, flash flooding, hail, strong winds and tornadoes. When warm and cold air masses meet, a thunderstorm can grow. In this activity, you...
Grade Level   5 6 7 8
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5
Different types of soil have different capabilities for retaining rainwater. When the soil in an area cannot hold enough rainwater, flooding occurs. Students in this activity measure the amount of water different soil types can handle. Following the activity, students discuss soil and flooding...
Grade Level   5 6 7 8 9 10 11 12
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6
Published in 2018
People find inspiration in many different places and things. Among them is taking joy in sensing the Earth around you. Feel the breeze on your face. Take in the fresh smell of the air after a spring rain. Use your hands to build something. Wherever you live you can get outside, savor your...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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7
El Niño storms have taken thousands of lives and caused billions of dollars in damage in recent decades. Where do these storms come from? Every two to seven years, trade-winds in the Pacific Ocean slow down or reverse their direction — no one is sure why. Normally, the Pacific trade winds blow...
Grade Level   8 9 10
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8
Is today sunny or overcast? Is there wind, rain, or snow? No matter where you live, weather shapes your life. What’s happening in the sky can determine how you dress, what you eat, where you spend your time, and when you work—or play. The science of the sky encompasses Earth and space science...
Grade Level   3 4 5 6 7 8
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9
A tropical storm is brewing in the Atlantic Ocean. It's causing rain and thunderstorms over the Caribbean, and it will soon be a tropical depression — the beginning of a hurricane. By the time Hurricane Mitch leaves the Central America, more than 11-000 people will be dead and as many as...
Grade Level   8 9 10 11 12
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10
Raindrops contain more than just water. In addition to the small particles of dust around which water drops form, raindrops can contain chemicals found in the atmosphere. Often rain is slightly acidic. This “acid rain” can chemically affect (weather) materials it touches. The amount of...
Grade Level   6 7 8 9 10
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11
As far back as ancient Greek and Roman times, people built structures that created an indoor environment suited to growing plants throughout the year. This enabled the gardener to establish a measure of control over growing conditions and extend the growth period into the colder seasons of the year....
Grade Level   3 4 5
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12
To measure ozone in the Earth's atmosphere, NASA built the approximately 6-500-pound Aura satellite. The spacecraft carries four high-tech instruments that scan the globe from more than 700 kilometers above the planet. For students, there is an easy way to investigate ozone in their own...
Grade Level   6 7 8 9
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13
"Even the youngest learners are aware of weather. It's easy to understand why they are interested in this topic. Weather directly affects their plans for the day. It determines how they dress, and what gear-boots, mittens, umbrellas, sunscreen, etc.-to pack for an event. Rarely does weather stay the...
Grade Level   K 1 2 3 4 5
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14
To learn to read, write, and appreciate language and communication, it's helpful to find subject matter that's appealing, inspiring, and personal. The sky is a never-ending source of material that is available everyday to everyone. Get ready to set a course for sky exploration! The following...
Grade Level   K 1 2 3 4
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15
Convection is the density-driven movement of a fluid material. Often, convection is driven by either heating from below or cooling from above the fluid. When a liquid is heated, it expands slightly, which makes it less dense. The fluid with lower density rises up, in the same way that a party...
Grade Level   6 7 8 9 10 11 12
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16
We are all familiar with the feeling of wind blowing. The air around us is constantly in motion, and though invisible, contains a stream of moving particles that flows and mixes above the Earth's surface. Scientists and engineers face great challenges in harnessing the wind for power. Air is a fluid...
Grade Level   9 10 11 12
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17
Is the ozone hole getting smaller? How much rain is in the cloud of a hurricane? How much sea ice is melting in the Arctic? For over 50 years, NASA scientists have been asking questions and collecting data from space-based satellites to study Earth's changing environment. Engineers and scientists...
Grade Level   6 7 8 9 10 11 12
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18
This tracking activity allows students to plot data points onto a tracking chart and map out the possible path of an oncoming hurricane. Meteorologists study the development and movement of hurricanes. This information is made available to the public through the National Hurricane Center which is...
Grade Level   7 8 9 10 11 12
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19
Atmospheric scientists study weather processes, the global dynamics of climate, solar radiation and its effects, and the role of atmospheric chemistry in ozone depletion, climate change, and pollution. They observe what's going on in our atmosphere today and compare it to records from years past. To...
Grade Level   6 7 8 9 10 11 12
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20
Severe weather includes phenomena such as thunderstorms, hurricanes, tornadoes, and lightning storms. Severe weather can cause great amounts of damage, especially in places where severe weather is prevalent. How much of a danger does severe weather pose for the area where you live? You can compute...
Grade Level   6 7 8
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