201
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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202
A system is a group of related features or objects that are organized in some way. Different parts of a system interact with each other. This causes a system to function in some way as a whole. Every system has a driving force that makes it work. In any system, there can be a large number of parts...
Grade Level   3 4 5 6
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203
These lessons are intended for use in any high school biology course. However, many can be used in middle school / junior high school life science and earth science classes, possibly with slight modification depending on teacher's style and approach, and the experience and level of students. Many...
Grade Level   7 8 9 10 11 12
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204
"Satellite Meteorology refers to the study of the earth's atmosphere and oceans using data obtained from remote sensing devices flown onboard satellites orbiting the earth. Meteorology, like every other science, relies on careful and precise measurement of its subject. Meteorologists observe the...
Grade Level   7 8 9 10 11 12
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205
Technological breakthroughs in the 1990's paved the way for incredible remote sensing capabilities for the 21st century. These enhanced capabilities are utilized by dozens of satellites continuously collecting data from multiple vantage points, allowing scientists from different countries to...
Grade Level   7 8 9 10 11 12
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206
Scientists are always working to improve our ability to observe the Earth remotely. It's because of this type of continued innovation that we have the ability to understand our planet the way you have learned so far through these modules. This module will guide you through some relatively new...
Grade Level   7 8 9 10 11 12
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207
"""""""""Informational text"""""""" provides factual information about the world to readers. Being able to understand these texts is an important skill for college and career readiness. As well, many readers find informational text highly motivating, since the topics that are covered may be of great...
Grade Level   6 7 8 9 10 11 12
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208
This lesson helps students and educators prepare for an emergency, such as an earthquake. It identifies hazards in the classroom and school. Psychologically, people who know what to expect in a disaster and who have taken steps to prepare, are less likely to panic during and after a disastrous...
Grade Level   7 8 9 10 11 12
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209
Sinkholes are natural depressions in the land caused when limestone and soils dissolve. They form when groundwater removes rock underground. They can form by slow gradual sinking or by sudden collapse of an underlying hole. Sinkholes are common in about one quarter of the U.S. You can usually...
Grade Level   6 7 8 9 10
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210
Soil is often overlooked as a natural resource. Like fossil fuels, we depend on it for energy in the form of foods. And, like fossil fuels, it is nonrenewable. Soil is a delicate balance of inorganic minerals, organic matter, living organisms, soil water, and soil atmosphere. The natural development...
Grade Level   6 7 8 9 10
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211
"Crucial to our existence, water sustains all life on Earth. Following the old adage, """"""""What goes around comes around-"""""""" water moves continuously through the stages of the hydrologic cycle (evaporation, condensation, and precipitation). How does our drinking water fit into this...
Grade Level   K 1 2 3 4
Classroom Activities Curricula and Instruction
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212
"This activity is intended to help students observe how stick-slip movement works. Instructions on how to build a motorized version of the following experiment as well as data produced from this model are available. At the end of the activity, students will be able to answer the questions,...
Grade Level   7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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213
Water is often called a renewable resource, but what does that really mean? Is water an unlimited resource? What happens to water after we use it? This investigation will help you understand exactly how much water you use in your home and how you can keep from wasting water. If many people are...
Grade Level   6 7 8 9 10 11 12
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214
It takes energy to run the appliances and machines we use everyday. The national average commercial cost to use this energy is ¤0.10/kilowatt hour. In addition to the financial cost, there is also an environmental cost in the form of carbon emissions. The general rule of thumb is that every...
Grade Level   6 7 8 9 10 11 12
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215
The National Wildlife Refuge System, managed by the U.S. Fish and Wildlife Service, is the world's premier system of public lands and waters set aside to conserve America's fish, wildlife, and plants. Why not visit a national wildlife refuge in or near your community? A refuge is a place where you...
Grade Level   6 7 8 9 10 11 12
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216
This investigation will help you to learn that different geologic materials have different characteristics. Why is this important? When a road or building is constructed, the underlying substance could have an effect on the structure's stability. Different soils, for instance, can pose different...
Grade Level   6 7 8
Classroom Activities Curricula and Instruction
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217
"Since 1970, oil and natural gas have provided more than half of the energy used each year in the United States to produce electricity, heat, transportation fuels, and many everyday products from balloons to vitamins. Oil and natural gas are forms of petroleum, a word that literally means...
Grade Level   8 9 10 11 12
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218
The five national marine sanctuaries along the West Coast monitor the health of the rocky intertidal ecosystem. One way of doing this is to collect data on the relative abundance of the organisms living in that ecosystem. Since this is such a big task, the national marine sanctuaries are training...
Grade Level   9 10 11 12
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219
Natural gas, which is mostly methane, is an energy resource used for generating electricity and heating, powering transportation, and manufacturing products. Right now, one-quarter of the world's energy comes from natural gas. Natural gas formation, one of the processes occurring on our...
Grade Level   6 7 8 9 10 11 12
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220
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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