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Our middle-aged sun has fascinated people throughout history, but only since the rocket age have scientists been able to document its life and the forces that sustain it. Explores sunspots, solar cycles, the birth of a solar storm, and the use of specialized spacecraft outside earth's ionosphere.
(Source: DCMP)
The sun's powerful, warm rays light up the sky with brilliant color and heat. The changing cycles of the sun can affect the earth and its living organisms. The sun is similar to a living organism-just as humans are born, grow older, and die, so too will the sun. When this happens, the rest of the solar system will have no future.
Living things go through changes in the course of their lives, referred to as life cycles. This program explains the life cycles of living organisms, specifically focusing on plants and animals. Video footage and colorful animations illustrate how living things change. Important terminology includes egg, seed, growth, metamorphosis, germination, stage, larva, pupa, nymph, and adult.
Solar power is defined as the energy produced by converting sunlight into heat or electricity. It is one of the most abundant and affordable sources of energy available. However, it is difficult to harness (and even impractical) in some parts of the world, so it is important to explore the process of converting sunlight to power. Shows three primary ways to produce solar power on a large scale: solar power–generating plants, photovoltaic cells, and solar thermal heaters.
Our Sun is a nuclear reactor converting hydrogen to helium continuously. X-ray and telescopic images reveal the Sun's photosphere and chromosphere, sun spots, solar flares and winds, and prominences. Describes each and its impact on Earth. Covers some of the Sun's mysteries, and projects what will eventually happen to our closest star.
A cycle or rhythm is a repetition of behaving in a regular pattern. There are many natural cycles for living and nonliving things on earth. Covers circadian rhythm (behavior based on a 24-hour cycle), annual rhythm (based on a yearly cycle), the water cycle, and the oxygen and carbon cycle. Highlights familiar examples of each. Quiz after summary.
This animation explains what happens during a solar eclipse. It discusses the five phases of all eclipses and discusses the difference between the umbra and the penumbra.
Can people in remote rural areas who are far from electric generating plants get power for their lights and appliances? Solar cells make it possible. Mechanical and electrical engineers at the US Department of Energy's Sandia National Laboratories take viewers through the process of designing and installing solar cell panels in remote locations.
A total eclipse of the sun is the greatest spectacle in our solar system. Gives an in-depth explanation as time-lapse images capture the full impact of this event. Begins with a discussion of lunar eclipses before moving on to examine auroras. Explores the causes of auroras, and gives examples of two: the Aurora Borealis and the Aurora Australis.
Discover what happens at the outer edges of the solar system where solar wind interacts with interstellar space. The Interstellar Boundary Explorer (IBEX) is a mission to study the boundary between the solar system and interstellar space. It collects data that shows the global structure and dynamic nature of the heliosphere.
The Solar Decathlon is an annual event where collegiate teams design, build, and operate solar-powered homes. In 2011, it was held on the Mall in Washington D.C. Twenty solar-powered homes were sprawled across the mall’s west end, transforming it from a park into something that resembled a quirky housing development.
Arizona gets plenty of sunlight, and researchers there are working hard to turn that energy into electricity. At Arizona State University, graduate student Brad Brennan makes and tests new materials that will allow industry to build smaller, cheaper, flexible photovoltaic solar cells that can go almost anywhere.
When the power mysteriously goes out at the new Radopolis skate park, the CyberSquad and Digit must find a way to turn it back on before a nighttime skateboarding extravaganza. Part of the "Cyberchase" series.
Find out how Albert Einstein used the totality phase of the 1919 solar eclipse to prove his theory of relativity, which predicts that large objects bend “space-time” towards themselves.
Part of a series that features a wide variety of video footage, photographs, diagrams and colorful, animated graphics and labels. Begins with a simple definition of the term and concludes with a critical thinking question. For this particular video, students will focus on the solar eclipse. Part of the Science Video Vocab Series.
Focuses on comets, those mostly unpredictable, wandering objects in the solar system. Uses time-lapse images while explaining a comet's tail and the meteors, or "falling stars," associated with it. Mentions Halley's and Hale-Bopp comets and international efforts to see these bodies more closely. Contains actual pictures of comets photographed by space probes.
Part of the "Green Careers" series. Details the entire range of jobs needed to make solar power a reality from research and development, design and marketing, and financial analysis to construction and project management. Engineers, analysts, and managers share how they work in this emerging green industry and how they found the opportunity to be part of the clean energy solution. Jobs profiled include the following: research and development engineer, design engineer, marketing manager, financial analyst, construction manager, and project manager.
Students explore the life cycle of plants. This video discusses the process of plant development from a small seed to a mature plant.
Crisp, vivid video footage illustrates how living things change throughout their lives. Focuses on the life cycles of plants, insects, and frogs.
Solar panels are becoming a familiar site in communities across the United States, but what about solar fuels? A solar fuel is produced from sunlight through artificial photosynthesis, mimicking what Mother Nature has been doing for billions of years. Many chemists and chemical engineers are working to make solar fuels a viable option in the future. Part of the National Science Foundation Series “Science Nation.”
Showing collections 1 to 2 of 2
Biology related concepts
A collection containing 59 resources, curated by Benetech
3D models and images of the entire periodic table of elements
A collection containing 118 resources, curated by Library Lyna
