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By TED-Ed
Water covers over 70% of the Earth, cycling from the oceans and rivers to the clouds and back again. It even makes up about 60% of our bodies. But in the rest of the solar system, liquid water is almost impossible to find. So how did our planet end up with so much of this substance? And where did it...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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2
Water phases are color coded around the Earth. Cutout, fold, and paste. Download the PDF file. This satellite image was observed by the NASDA-developed AMSR-E that is carried aboard NASA's Earth-Observing satellite, Aqua. AMSR-E enables viewing most of the water phases on Earth (clouds, vapor...
Grade Level   6 7 8 9 10 11 12
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3
Students use the Tides Online web page to answer questions on this student worksheet.
Grade Level   6 7 8 9 10 11 12
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4
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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5
There are two methods water moves from the ground to the atmosphere as part of the hydrologic cycle. Transpiration is basically evaporation of water from plant leaves. Studies have revealed that transpiration accounts for about 10% of the moisture in the atmosphere, with oceans, seas, and other...
Grade Level   5 6 7 8 9 10 11 12
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6
This is the first of three lessons thta have been developed to teach students about Earth's water cycle, the importance of freshwater resources, and how NASA studies water in Earth's systems.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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7
In this activity, students will learn about sea ice and land ice. They will observe ice melting on a solid surface near a body of water and ice melting in a body of water. Prior to the activity, students will predict what each situation will do to the level of water and then compare their prediction...
Grade Level   2 3 4 5 6 7 8
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8
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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9
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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10
World Ocean Observatory is the leading organization advocating for the health and sustainability of the ocean through an accessible worldwide network of communication. Through education, partnership, information exchange, public connection, and relentless communications, W2O is committed to building...
Grade Level   5 6 7 8 9 10 11 12
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11
In this activity, students will use California precipitation totals and evapotranspiration data to calculate and graph water deficits and surpluses. These spreadsheet models will help students understand droughts and the movement of water in the water cycle.
Grade Level   5 6 7 8
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12
In this activity, students will make a “human size” graph of tides on a classroom wall to understand variability of tides at different locations. Students will investigate different reserves in the National Estuarine Research Reserve System to examine how tides vary throughout the day and from...
Grade Level   6 7 8 9 10 11 12
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13
Water is the most abundant and important substance on Earth. It is essential to life and is a major component of all living things. There are approximately 336,000,000,000,000,000,000 gallons of water on Earth, existing in three states: solid, liquid, and gas. The sources for this water storage are...
Grade Level   6 7 8 9 10 11 12
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14
In this Watershed Sleuth Challenge, you will learn more about your watershed - what it is, why its important, and what you can do to protect it, as you earn badges at each level of this three-part course.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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15
"Water that accumulates beneath the surface of the Earth is called groundwater. Contrary to popular belief, groundwater does not form underground """"rivers,"""" but is actually found in the small spaces and cracks between rocks and other material such as sand and gravel. Groundwater supplies about...
Grade Level   4 5 6 7 8 9
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16
"New Englanders have a saying: """"If you don't like the weather, just wait a minute."""" Weather forecasts may be more stable in other parts of the world, but the basic idea stands. weather is dynamic, the product of interacting forces we are only beginning to understand. This interactive teaches...
Grade Level   5 6 7 8 9 10 11 12
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17
There is water all over Earth in different forms. By far, most of the planet's water is in the oceans, but it is in other places as well. Sometimes water is a liquid, sometimes it is a solid, and sometimes it is a gas. These changes in the states of matter are the result of the water either gaining...
Grade Level   5 6
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18
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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19
You will create a model of a watershed with paper. By observing how surface water flow is determined by the shape of the land, you will visually and dramatically observe the physical characteristics of a watershed, and investigate the impacts of human land use decisions.
Grade Level   6 7 8
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20
Published in 2016
A watershed is the area of land that water flows over to reach a river, lake, or a stream. Near the upslope edges of a watershed, small tributary streams (1st, 2nd and 3rd order) begin gathering water that flows downstream into larger rivers and eventually drains into a river, bay, or ocean. Some of...
Grade Level   6 7 8
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