Learn about a study in which participants discovered contaminants in their homes, …
Learn about a study in which participants discovered contaminants in their homes, and how green chemistry may provide alternatives to such everyday toxins, in this video adapted from Contaminated Without Consent.
Explore how the Earth's atmosphere affects the energy balance between incoming and …
Explore how the Earth's atmosphere affects the energy balance between incoming and outgoing radiation. Using an interactive model, adjust realistic parameters such as how many clouds are present or how much carbon dioxide is in the air, and watch how these factors affect the global temperature.
This online article, from Biodiversity Counts, is a guide to finding local …
This online article, from Biodiversity Counts, is a guide to finding local specialists who are knowledgeable about plants and arthropods. It includes: an overview of how local specialists can be of help; a link to the Directory of Local Specialists, a list of specialists who have agreed to work with participating schools; a list of additional organizations, with links to Web sites, that are good sources for local specialists; tips on how to find local specialists from Linda Beyt, a middle school teacher in Louisiana and a Biodiversity Counts mentor; and tips for enlisting volunteers by Karen Spaulding, a middle school teacher in Massachusetts and a Biodiversity Counts mentor.
In this video adapted from Bullfrog Films, GwichŰ__Ű__Çin Chief Evon Peter of …
In this video adapted from Bullfrog Films, GwichŰ__Ű__Çin Chief Evon Peter of Arctic Village, Alaska, describes his people's connection to the caribou and their passion to protect Alaska Native land and traditions.
The marine environment is unique and requires technologies that can use sound …
The marine environment is unique and requires technologies that can use sound to gather information since there is little light underwater. The sea-floor is characterized using underwater sound and acoustical systems. Current technological innovations are allowing scientists to further understand and apply information about animal locations and habitat. Remote sensing and exploration with underwater vehicles allows scientists to map and understand the sea floor, and in some cases, the water column. In this lesson, the students will be shown benthic habitat images produced by GIS. These imaged will lead to a class discussion on why habitat mapping is useful and how current technology works to make bathymetry mapping possible. The teacher will then ask inquiry-based questions to have students brainstorm about the importance of bathymetry mapping.
In this video segment adapted from United Tribes Technical College, meet Native …
In this video segment adapted from United Tribes Technical College, meet Native Americans who are concerned about climate change and believe that action today can help future generations once again live in harmony with Earth.
Students explore heat transfer and energy efficiency using the context of energy …
Students explore heat transfer and energy efficiency using the context of energy efficient houses. They gain a solid understanding of the three types of heat transfer: radiation, convection and conduction, which are explained in detail and related to the real world. They learn about the many ways solar energy is used as a renewable energy source to reduce the emission of greenhouse gasses and operating costs. Students also explore ways in which a device can capitalize on the methods of heat transfer to produce a beneficial result. They are given the tools to calculate the heat transferred between a system and its surroundings.
The student will be able to define and describe herbicide formulation types. …
The student will be able to define and describe herbicide formulation types. Students will understand basics and importance of a jar test. Students will be able to follow tank mixing order instructions
This project is designed to conclude a unit of tree study for …
This project is designed to conclude a unit of tree study for students in grades five and six. Students are asked to choose a significant tree and observe and describe its characteristics.
This video segment adapted from Interactive NOVA profiles two scientists who were …
This video segment adapted from Interactive NOVA profiles two scientists who were surprised in 1984 to discover a hole in our atmosphere's ozone layer as big as the United States.
This video segment, adapted from NOVA, explores reasons why Homo sapiens had …
This video segment, adapted from NOVA, explores reasons why Homo sapiens had an advantage over Neanderthals in the pursuit of territory and natural resources.
In this module your main task is to plan and carry out …
In this module your main task is to plan and carry out a set of activities with selected households in the community to help them gain a good understanding of their current and possible future use of natural resources in their area.
Students learn about geotechnical engineers and their use of physical properties, such …
Students learn about geotechnical engineers and their use of physical properties, such as soil density, to determine the ability of various soils to offer support to foundations. In an associated activity, students determine the bulk densities of soil samples, and assess their suitability to support foundations.
Students determine the mass and volume of soil samples and calculate the …
Students determine the mass and volume of soil samples and calculate the density of the soils. They use this information to determine the suitability of the soil to support a building foundation.
This video segment adapted from NOVA describes the emergence of life on …
This video segment adapted from NOVA describes the emergence of life on the islands of Hawaii from a barren volcanic platform under the ocean waves to the rich explosion of life that covers the many climate zones of the islands today.
In this video segment adapted from NOVA, dramatic footage of avalanches and …
In this video segment adapted from NOVA, dramatic footage of avalanches and animations of ice crystals illustrate how a layer of weakly-bonded snow can contribute to a devastating avalanche.
This video segment adapted from KET's Where the River Bends demonstrates how …
This video segment adapted from KET's Where the River Bends demonstrates how climate change and glacier movement during the Ice Ages destroyed the old Teays River and created the Ohio River, Kentucky's northern border.
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