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Electromagnetic Spectrum Webquest Answer: A Comprehensive Guide
Are you stuck on your electromagnetic spectrum webquest? Feeling overwhelmed by the sheer amount of information? Don't worry, you've come to the right place! This comprehensive guide provides answers and explanations to common electromagnetic spectrum webquest questions, helping you understand the topic thoroughly and ace your assignment. We'll delve into the properties of different types of electromagnetic radiation, their applications, and their impact on our daily lives. This post is designed to be your one-stop shop for all things electromagnetic spectrum, ensuring you not only complete your webquest but also gain a solid understanding of this fascinating area of physics.
Understanding the Electromagnetic Spectrum
The electromagnetic spectrum encompasses all types of electromagnetic radiation, arranged according to their frequency and wavelength. These are inversely related; a high frequency means a short wavelength, and vice versa. This spectrum isn't just a theoretical concept; it's a vital part of our universe, impacting everything from communication technologies to medical imaging.
#### Key Properties: Frequency and Wavelength
Frequency (f): Measured in Hertz (Hz), frequency represents the number of wave cycles passing a point per second. Higher frequency means more energy.
Wavelength (λ): Measured in meters (m), wavelength is the distance between two consecutive crests or troughs of a wave. Shorter wavelength means higher energy.
Speed (c): In a vacuum, all electromagnetic waves travel at the speed of light (approximately 3 x 108 m/s). The relationship between these three is given by the equation: c = fλ
Types of Electromagnetic Radiation and Their Applications
The electromagnetic spectrum is vast, containing many types of radiation, each with unique properties and applications. Let's explore some of the most important ones:
#### 1. Radio Waves:
Longest wavelength, lowest frequency.
Applications: Radio and television broadcasting, communication systems, Wi-Fi, Bluetooth. These waves have the lowest energy and are generally safe for biological organisms.
#### 2. Microwaves:
Shorter wavelength than radio waves, higher frequency.
Applications: Microwave ovens, radar systems, satellite communication. Microwaves can heat water molecules, hence their use in ovens.
#### 3. Infrared (IR) Radiation:
Shorter wavelength than microwaves, higher frequency.
Applications: Thermal imaging, remote controls, infrared spectroscopy, night vision devices. We experience IR radiation as heat.
#### 4. Visible Light:
The only part of the electromagnetic spectrum visible to the human eye.
Applications: Vision, photography, illumination. Visible light is composed of different wavelengths, each corresponding to a different color (ROYGBIV).
#### 5. Ultraviolet (UV) Radiation:
Shorter wavelength than visible light, higher frequency.
Applications: Sterilization, tanning beds (although overuse is harmful), forensic science. UV radiation can damage DNA, leading to sunburn and potentially skin cancer.
#### 6. X-rays:
Much shorter wavelength than UV radiation, very high frequency.
Applications: Medical imaging (X-ray radiography), airport security scanners. X-rays have high energy and can penetrate soft tissues.
#### 7. Gamma Rays:
Shortest wavelength, highest frequency and highest energy.
Applications: Cancer treatment (radiotherapy), sterilization of medical equipment, astronomy. Gamma rays are highly energetic and can be very dangerous to living organisms.
Common Electromagnetic Spectrum Webquest Challenges & Answers
Many webquests focus on comparing and contrasting different types of electromagnetic radiation. Here's how to tackle some common questions:
Comparing Wavelength and Frequency: Remember the inverse relationship! Longer wavelength means lower frequency, and vice versa.
Identifying Applications: Understand the properties of each type of radiation and how those properties are used in specific applications. For example, the high energy of X-rays allows them to penetrate tissue, making them useful for medical imaging.
Understanding the Dangers of EM Radiation: Higher frequency/shorter wavelength radiation carries more energy and is potentially more harmful. Excessive exposure to UV, X-rays, and gamma rays can damage cells and DNA.
Conclusion
Understanding the electromagnetic spectrum is crucial for comprehending many aspects of the modern world. From the radio waves that connect us globally to the X-rays that help diagnose medical conditions, this spectrum plays a vital role in our lives. By understanding the properties of different types of electromagnetic radiation and their applications, you can not only complete your webquest successfully but also appreciate the incredible power and versatility of this fundamental part of the universe. Remember to always cite your sources correctly when completing your webquest!
FAQs
1. What is the difference between ionizing and non-ionizing radiation? Ionizing radiation (like X-rays and gamma rays) has enough energy to remove electrons from atoms, potentially causing damage to cells. Non-ionizing radiation (like radio waves and microwaves) does not have enough energy to do this.
2. How is the electromagnetic spectrum used in astronomy? Astronomers use different parts of the electromagnetic spectrum to observe celestial objects. Radio waves reveal information about cold gases and molecules, while X-rays and gamma rays reveal information about high-energy processes like black holes and supernovae.
3. What are the potential health risks associated with electromagnetic radiation? Overexposure to high-energy electromagnetic radiation, such as UV, X-rays, and gamma rays, can cause damage to cells and DNA, leading to health problems like sunburn, cataracts, and cancer. However, exposure to low-energy radiation like radio waves and microwaves at typical levels is generally considered safe.
4. How does a microwave oven work? Microwave ovens use microwaves to heat food. Microwaves cause water molecules in food to vibrate rapidly, generating heat and cooking the food.
5. What is the relationship between the energy of electromagnetic radiation and its frequency? The energy of electromagnetic radiation is directly proportional to its frequency. Higher frequency means higher energy.
| electromagnetic spectrum webquest answer: Tour of the Electromagnetic Spectrum Ginger Butcher, 2010 |
| electromagnetic spectrum webquest answer: Physics of Light and Optics (Black & White) Michael Ware, Justin Peatross, 2015 |
| electromagnetic spectrum webquest answer: The World Book Encyclopedia , 2002 An encyclopedia designed especially to meet the needs of elementary, junior high, and senior high school students. |
| electromagnetic spectrum webquest answer: Essential Radio Astronomy James J. Condon, Scott M. Ransom, 2016-04-05 The ideal text for a one-semester course in radio astronomy Essential Radio Astronomy is the only textbook on the subject specifically designed for a one-semester introductory course for advanced undergraduates or graduate students in astronomy and astrophysics. It starts from first principles in order to fill gaps in students' backgrounds, make teaching easier for professors who are not expert radio astronomers, and provide a useful reference to the essential equations used by practitioners. This unique textbook reflects the fact that students of multiwavelength astronomy typically can afford to spend only one semester studying the observational techniques particular to each wavelength band. Essential Radio Astronomy presents only the most crucial concepts—succinctly and accessibly. It covers the general principles behind radio telescopes, receivers, and digital backends without getting bogged down in engineering details. Emphasizing the physical processes in radio sources, the book's approach is shaped by the view that radio astrophysics owes more to thermodynamics than electromagnetism. Proven in the classroom and generously illustrated throughout, Essential Radio Astronomy is an invaluable resource for students and researchers alike. The only textbook specifically designed for a one-semester course in radio astronomy Starts from first principles Makes teaching easier for astronomy professors who are not expert radio astronomers Emphasizes the physical processes in radio sources Covers the principles behind radio telescopes and receivers Provides the essential equations and fundamental constants used by practitioners Supplementary website includes lecture notes, problem sets, exams, and links to interactive demonstrations An online illustration package is available to professors |
| electromagnetic spectrum webquest answer: Spectrum Language Arts, Grade 7 Spectrum, 2014-08-15 An understanding of language arts concepts is key to strong communication skillsÑthe foundation of success across disciplines. Spectrum Language Arts for grade 7 provides focused practice and creative activities to help your child master parts of speech, vocabulary, sentence types, and grammar. --This comprehensive workbook doesnÕt stop with focused practiceÐit encourages children to explore their creative sides by challenging them with thought-provoking writing projects. Aligned to current state standards, Spectrum Language Arts for grade 7 includes an answer key and a supplemental WriterÕs Guide to reinforce grammar and language arts concepts. With the help of Spectrum, your child will build the language arts skills necessary for a lifetime of success. |
| electromagnetic spectrum webquest answer: College Physics for AP® Courses Irna Lyublinskaya, Douglas Ingram, Gregg Wolfe, Roger Hinrichs, Kim Dirks, Liza Pujji, Manjula Devi Sharma, Sudhi Oberoi, Nathan Czuba, Julie Kretchman, John Stoke, David Anderson, Erika Gasper, 2015-07-31 This introductory, algebra-based, two-semester college physics book is grounded with real-world examples, illustrations, and explanations to help students grasp key, fundamental physics concepts. ... This online, fully editable and customizable title includes learning objectives, concept questions, links to labs and simulations, and ample practice opportunities to solve traditional physics application problems.--Website of book. |
| electromagnetic spectrum webquest answer: Engineering in K-12 Education National Research Council, National Academy of Engineering, Committee on K-12 Engineering Education, 2009-09-08 Engineering education in K-12 classrooms is a small but growing phenomenon that may have implications for engineering and also for the other STEM subjects-science, technology, and mathematics. Specifically, engineering education may improve student learning and achievement in science and mathematics, increase awareness of engineering and the work of engineers, boost youth interest in pursuing engineering as a career, and increase the technological literacy of all students. The teaching of STEM subjects in U.S. schools must be improved in order to retain U.S. competitiveness in the global economy and to develop a workforce with the knowledge and skills to address technical and technological issues. Engineering in K-12 Education reviews the scope and impact of engineering education today and makes several recommendations to address curriculum, policy, and funding issues. The book also analyzes a number of K-12 engineering curricula in depth and discusses what is known from the cognitive sciences about how children learn engineering-related concepts and skills. Engineering in K-12 Education will serve as a reference for science, technology, engineering, and math educators, policy makers, employers, and others concerned about the development of the country's technical workforce. The book will also prove useful to educational researchers, cognitive scientists, advocates for greater public understanding of engineering, and those working to boost technological and scientific literacy. |
| electromagnetic spectrum webquest answer: Confronting the Challenges of Participatory Culture Henry Jenkins, 2009-06-05 Many teens today who use the Internet are actively involved in participatory cultures—joining online communities (Facebook, message boards, game clans), producing creative work in new forms (digital sampling, modding, fan videomaking, fan fiction), working in teams to complete tasks and develop new knowledge (as in Wikipedia), and shaping the flow of media (as in blogging or podcasting). A growing body of scholarship suggests potential benefits of these activities, including opportunities for peer-to-peer learning, development of skills useful in the modern workplace, and a more empowered conception of citizenship. Some argue that young people pick up these key skills and competencies on their own by interacting with popular culture; but the problems of unequal access, lack of media transparency, and the breakdown of traditional forms of socialization and professional training suggest a role for policy and pedagogical intervention. This report aims to shift the conversation about the digital divide from questions about access to technology to questions about access to opportunities for involvement in participatory culture and how to provide all young people with the chance to develop the cultural competencies and social skills needed. Fostering these skills, the authors argue, requires a systemic approach to media education; schools, afterschool programs, and parents all have distinctive roles to play. The John D. and Catherine T. MacArthur Foundation Reports on Digital Media and Learning |
| electromagnetic spectrum webquest answer: Physical Science with Earth Science Charles William McLoughlin, Marlyn Thompson, Dinah Zike, Ralph M. Feather, Glencoe/McGraw-Hill, 2012 |
| electromagnetic spectrum webquest answer: The Chlorophylls Leo P. Vernon, Gilbert R. Seely, 2014-06-28 The Chlorophylls reviews developments in study of chlorophylls, and at the same time summarizes the state of knowledge in the more established areas of the physics, chemistry, and biology of chlorophylls. The book is organized into four sections. The first section deals with the chlorophylls as chemical entities, and treats their isolation, analysis, chemistry, and synthesis. The second concerns chlorophylls in real and colloidal solution and in the solid state in vitro, and includes the effects of aggregation on visible, infrared, and NMR spectral properties. The third section treats the biosynthesis, organization, and properties of chlorophylls in the plant and bacterial cell, and the fourth is concerned with the photochemical and photophysical behavior of chlorophylls in vitro and in vivo. It is hoped that this work will help those investigating selected aspects of chlorophyll to keep abreast of other methods and approaches, and will provide the interested scientist with a modern, conceptually organized treatment of the subject. |
| electromagnetic spectrum webquest answer: Science in the Beginning Jay Wile, 2013-05-01 Science in the context of the seven days of creation presented in the Bible. This textbook uses activities to reinforce scientific principles presented. |
| electromagnetic spectrum webquest answer: Good Practice In Science Teaching: What Research Has To Say Osborne, Jonathan, Dillon, Justin, 2010-05-01 This volume provides a summary of the findings that educational research has to offer on good practice in school science teaching. It offers an overview of scholarship and research in the field, and introduces the ideas and evidence that guide it. |
| electromagnetic spectrum webquest answer: Rogue Wave Theodore Taylor, 1998 The award-winning author of The Cay presents eight gripping stories of adventure at sea, including the tale of a teenager who fights to survive after a thundering wave leaves her trapped in an overturned boat. Reprint. |
| electromagnetic spectrum webquest answer: Learning about Energy, Forces, and Motion , 2013 An activity-based volume that introduces early-level physical science concepts, including energy and motion, different types of forces, and simple machines. Features include a glossary, an additional resource list, and an index-- |
| electromagnetic spectrum webquest answer: Principles of Geographic Information Systems Rolf A. de By, 2004 |
| electromagnetic spectrum webquest answer: Protection of the Ozone Layer , 1995 |
| electromagnetic spectrum webquest answer: Changing Mindsets to Transform Security National Defense University (US), 2017-08-23 This book includes papers presented at the Third International Transformation (ITX3) Conference and Workshop on Leader Development, held in Washington, DC, at the National Defense University (NDU) on June 19-20, 2013, as well as a summary of the conference discussions. Sponsored by Headquarters Supreme Allied Commander Transformation (HQSACT), and supported by the International Transformation (ITX) Chairs Network, the conference brought together academics, policymakers, and practitioners to discuss the topic of Changing Mindsets to Transform Security: Leader Development for an Unpredictable and Complex World. In July 2012, the Chairman of the Joint Chiefs of Staff, General Martin E. Dempsey, U.S.A., released the Joint Education White Paper, challenging those in the Professional Military Education and Joint Professional Military Education community to develop agile, adaptive leaders with the requisite values, strategic vision and critical thinking skills necessary to keep pace with the changing strategic environment. In response, and to support NATO National Chiefs of Transformation efforts, the ITX Chairs Network issued a call for papers to increase the understanding of leader development, refine concepts, and develop content to be used in U.S. and international fora. Seventeen of the papers published here were presented in Washington. Two of the papers were submitted before the conference, but the authors were not able to attend. The views are those of the individual authors. Based on the themes developed during the conference, the papers are grouped in five categories: 1) Human Dimension of Transformation; 2) Changing Nature of Adult Education-Drivers of Change; 3) Perspectives on Joint Education; 4) International Attitudes; and 5) Enlisted Education and Other Concepts. We hope that you will find this volume useful, and welcome feedback |
| electromagnetic spectrum webquest answer: Nuclear Physics National Research Council, Division on Engineering and Physical Sciences, Board on Physics and Astronomy, Committee on the Assessment of and Outlook for Nuclear Physics, 2013-02-25 The principal goals of the study were to articulate the scientific rationale and objectives of the field and then to take a long-term strategic view of U.S. nuclear science in the global context for setting future directions for the field. Nuclear Physics: Exploring the Heart of Matter provides a long-term assessment of an outlook for nuclear physics. The first phase of the report articulates the scientific rationale and objectives of the field, while the second phase provides a global context for the field and its long-term priorities and proposes a framework for progress through 2020 and beyond. In the second phase of the study, also developing a framework for progress through 2020 and beyond, the committee carefully considered the balance between universities and government facilities in terms of research and workforce development and the role of international collaborations in leveraging future investments. Nuclear physics today is a diverse field, encompassing research that spans dimensions from a tiny fraction of the volume of the individual particles (neutrons and protons) in the atomic nucleus to the enormous scales of astrophysical objects in the cosmos. Nuclear Physics: Exploring the Heart of Matter explains the research objectives, which include the desire not only to better understand the nature of matter interacting at the nuclear level, but also to describe the state of the universe that existed at the big bang. This report explains how the universe can now be studied in the most advanced colliding-beam accelerators, where strong forces are the dominant interactions, as well as the nature of neutrinos. |
| electromagnetic spectrum webquest answer: Other Worlds Carl Sagan, 1975 |
| electromagnetic spectrum webquest answer: An Introduction to Radio Astronomy Bernard F. Burke, Francis Graham-Smith, Peter N. Wilkinson, 2019-08-22 A thorough introduction to radio astronomy and techniques for students and researchers approaching radio astronomy for the first time. |
| electromagnetic spectrum webquest answer: Dark Matter and Dark Energy Brian Clegg, 2019-08-08 'Clear and compact ... It's hard to fault as a brief, easily digestible introduction to some of the biggest questions in the Universe' Giles Sparrow, BBC Four's The Sky at Night , Best astronomy and space books of 2019: 5/5 All the matter and light we can see in the universe makes up a trivial 5 per cent of everything. The rest is hidden. This could be the biggest puzzle that science has ever faced. Since the 1970s, astronomers have been aware that galaxies have far too little matter in them to account for the way they spin around: they should fly apart, but something concealed holds them together. That 'something' is dark matter - invisible material in five times the quantity of the familiar stuff of stars and planets. By the 1990s we also knew that the expansion of the universe was accelerating. Something, named dark energy, is pushing it to expand faster and faster. Across the universe, this requires enough energy that the equivalent mass would be nearly fourteen times greater than all the visible material in existence. Brian Clegg explains this major conundrum in modern science and looks at how scientists are beginning to find solutions to it. |
| electromagnetic spectrum webquest answer: The Adventure of Echo the Bat , 2000 Included in a program of both online and classroom components, this book is accompanied by an online suggested set of activities intended to introduce remote-sensing to our youngest future scientists. Prompts are provided in the book to these activities through a Note to teachers and parents. Website includes links to a student's site, and a teacher's guide. |
| electromagnetic spectrum webquest answer: The Structure of the Sun T. Roca Cortes, F. Sánchez, Francisco Sanchez, 1996-08-28 The complex internal structure of the Sun can now be studied in detail through helioseismology and neutrino astronomy. The VI Canary Islands Winter School of Astrophysics was dedicated to examining these powerful new techniques. Based on this meeting, eight specially-written chapters by world-experts are presented in this timely volume. We are shown how the internal composition and dynamical structure of the Sun can be deduced through helioseismology; and how the central temperature can be determined from the flux of solar neutrinos. This volume provides an excellent introduction for graduate students and an up-to-date overview for researchers working on the Sun, neutrino astronomy and helio- and asteroseismology. |
| electromagnetic spectrum webquest answer: SCIENCE PROJECTS IN RENEWABLE ENERGY AND ENERGY EFFICIENCY , The Value of Science Projects Science projects are an especially effective way of teaching students about the world around them. Whether conducted in the classroom or for a science fair, science projects can help develop critical thinking and problem solving skills. In a classroom setting, science projects offer a way for teachers to put “action” into the lessons. The students have fun while they’re learning important knowledge and skills. And the teacher often learns with the students, experiencing excitement with each new discovery. Science projects are generally of two types: non-experimental and experimental. Non-experimental projects usually reflect what the student has read or heard about in an area of science. By creating displays or collections of scientific information or demonstrating certain natural phenomena, the student goes through a process similar to a library research report or a meta-analysis in any other subject. Projects of this type may be appropriate for some students at a very early level, but they usually do not provide the experiences that develop problem-solving skills related to the scientific process. On the other hand, experimental projects pose a question, or hypothesis, which is then answered by doing an experiment or by modeling a phenomenon. The question doesn’t have to be something never before answered by scientist—that is not necessary to conduct original research. The process of picking a topic, designing an experiment, and recording and analyzing data is what’s important. |
| electromagnetic spectrum webquest answer: What Is NASA? Sarah Fabiny, Who HQ, 2019-05-07 Find out all about NASA in this out-of-this-world addition to the What Was? series. The National Aeronautics and Space Administration, better known as NASA, began in 1958. With its creation, the United States hoped to ensure it won the space race against the Soviet Union. Author Sarah Fabiny describes the origins of NASA, the launching of the Apollo program that landed the first human on the moon, and the many missions and discoveries that have taken place since then. NASA has a rich history and still plays an important role in uncovering the mysteries of the universe. Readers are sure to get sucked into this book. |
| electromagnetic spectrum webquest answer: Not a Stick Antoinette Portis, 2011-02-22 A celebration of the power of imagination from the Theodor Seuss Geisel Honor Award-winning creator of Not a Box Experience the thrill of the moment when pretend feels so real that it actually becomes real! Following the critically acclaimed Not a Box, this book proves that a stick is not always just a stick. Whether it's conducting an orchestra, painting a masterpiece, or slaying a dragon—give a child a stick and let imagination take over and the magic begin. |
| electromagnetic spectrum webquest answer: Tsunami Warning and Preparedness National Research Council, Division on Earth and Life Studies, Ocean Studies Board, Committee on the Review of the Tsunami Warning and Forecast System and Overview of the Nation's Tsunami Preparedness, 2011-03-01 Many coastal areas of the United States are at risk for tsunamis. After the catastrophic 2004 tsunami in the Indian Ocean, legislation was passed to expand U.S. tsunami warning capabilities. Since then, the nation has made progress in several related areas on both the federal and state levels. At the federal level, NOAA has improved the ability to detect and forecast tsunamis by expanding the sensor network. Other federal and state activities to increase tsunami safety include: improvements to tsunami hazard and evacuation maps for many coastal communities; vulnerability assessments of some coastal populations in several states; and new efforts to increase public awareness of the hazard and how to respond. Tsunami Warning and Preparedness explores the advances made in tsunami detection and preparedness, and identifies the challenges that still remain. The book describes areas of research and development that would improve tsunami education, preparation, and detection, especially with tsunamis that arrive less than an hour after the triggering event. It asserts that seamless coordination between the two Tsunami Warning Centers and clear communications to local officials and the public could create a timely and effective response to coastal communities facing a pending tsuanami. According to Tsunami Warning and Preparedness, minimizing future losses to the nation from tsunamis requires persistent progress across the broad spectrum of efforts including: risk assessment, public education, government coordination, detection and forecasting, and warning-center operations. The book also suggests designing effective interagency exercises, using professional emergency-management standards to prepare communities, and prioritizing funding based on tsunami risk. |
| electromagnetic spectrum webquest answer: The Nature of the Chemical Bond and the Structure of Molecules and Crystals Linus Pauling, 2023 |
| electromagnetic spectrum webquest answer: Radio Fifth Grade Gordon Korman, 1991-02 Mayhem breaks out in the fifth grade when the Venice Menace bullies his classmates into letting him become a regular guest on Kidsview, the school's radio program. |
| electromagnetic spectrum webquest answer: Optics Kyle Kirkland, Sean M. Grady, 2006 A comprehensive overview of light and optics describes the properties of light and lasers and tells how optics is utilized in fields such as astronomy, medicine, computers, and communication. |
| electromagnetic spectrum webquest answer: BSCS Biology , 1998 |
| electromagnetic spectrum webquest answer: Astronomy Cafe Sten F. Odenwald, 2000-05 Provides answers to over three hundred of the most commonly asked questions about astronomy posed to author Sten Odenwold on the Ask the Astronomer page of his award-winning Web site The Astronomy Cafe; grouped by topic |
| electromagnetic spectrum webquest answer: Principles of Geographical Information Systems P. A. Burrough, Rachael McDonnell, 1998-01 |
| electromagnetic spectrum webquest answer: The Electron Robert Andrews Millikan, 1917 |
| electromagnetic spectrum webquest answer: The Cruellest Journey Kira Salak, 2006 In retracing explorer Mungo Park's fatal journey down West Africa's Niger River, author and adventuress Salak became the first person to travel alone from Mali's Old Segou to Timbuktu, the legendary doorway to the end of the world. This is her story. |
| electromagnetic spectrum webquest answer: Sensation and Perception Jeremy M. Wolfe, Keith R. Kluender, Dennis M. Levi, Linda M. Bartoshuk, Rachel S. Herz, Roberta L. Klatzky, Daniel M. Merfeld, 2018-03-15 Published by Sinauer Associates, an imprint of Oxford University Press. Sensation & Perception introduces students to their own senses, emphasizing human sensory and perceptual experience and the basic neuroscientific underpinnings of that experience. The authors, specialists in their respective domains, strive to spread their enthusiasm for fundamental questions about the human senses and the impact that answers to those questions can have on medical and societal issues. |
| electromagnetic spectrum webquest answer: It's Elementary! Dorling Kindersley Publishing, Incorporated, 2016-01-19 Elements make up everything around us -- our computers, our games, and our food and drink. They make up trees and grass, cars and roads, and are the fundamental components of us, human beings. But what exactly are elements? What is their history? Whe |
| electromagnetic spectrum webquest answer: Cosmic Noise Woodruff T. Sullivan, III, 2009-11-05 Providing a definitive history of the formative years of radio astronomy, this book is invaluable for historians of science, scientists and engineers. The whole of worldwide radio and radar astronomy is covered, beginning with the discoveries by Jansky and Reber of cosmic noise before World War II, through the wartime detections of solar noise, the discovery of radio stars, lunar and meteor radar experiments, the detection of the hydrogen spectral line, to the discoveries of Hey, Ryle, Lovell and Pawsey in the decade following the war, revealing an entirely different sky from that of visual astronomy. Using contemporary literature, correspondence and photographs, the book tells the story of the people who shaped the intellectual, technical, and social aspects of the field now known as radio astronomy. The book features quotes from over a hundred interviews with pioneering radio astronomers, giving fascinating insights into the development of radio astronomy. Woodruff T. Sullivan III has been awarded the 2012 Leroy E. Doggett Prize for Historical Astronomy. |
| electromagnetic spectrum webquest answer: Exploring the Spectrum Philip S. Callahan, 1994 This book attempts to explain not only the visible light spectrum, but also the invisible high-energy nuclear and low-energy infrared and radio portions of the electromagnetic spectrum. Part one is about the physics of the spectrum, part two about the spectrum of life. Many pictures, short stories, tables and figures complete the book |
| electromagnetic spectrum webquest answer: Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses Panel on Frequency Allocations and Spectrum Protection for Scientific Uses, Committee on Radio Frequencies, Board on Physics and Astronomy, Division on Engineering and Physical Sciences, National Research Council, 2007-03-29 The electromagnetic spectrum is a vital part of our environment. Information encoded in the spectrum of radiation arriving at earth from the universe is the means by which we learn about its workings and origin. Radiation collected from the Earth's land, oceans, biosphere, and atmosphere provide us with much of the data needed to better understand this environment. Wise use of the spectrum is necessary if we are to continue these advances in scientific understanding. To help guide this effort, the NSF and NASA asked the NRC to develop a set of principles for fostering effective allocation and protection of spectral bands for scientific research. This handbook contains practical information in this connection including a description of regulatory bodies and issues, a discussion of the relevant scientific background, a list of science spectrum allocations in the United States, and an analysis of spectrum protection issues. |
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List the colors of light in the visible light spectrum in order from the longest wavelengths of light to the shortest . 16. What does each wavelength of light in the visible spectrum represent?
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