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ASTR 1020 - Lab 4: Solar Rotation and Sunspots
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Galileo, in 1612, demonstrated that the Sun rotates on its axis with a rotation period of approximately one month. Our star turns in a west-to-east direction, like the orbital motions of the planets. The Sun, however, is a gas and does not have to rotate rigidly, the way a solid body like Earth does. Modern observations show that the Sun’s rotation speed varies according to latitude; that is, it’s different as you go north or south of the Sun’s equator.  Between 1826 and 1850, Heinrich Schwabe, a German pharmacist and amateur astronomer kept daily records of the number of sunspots. What he was looking for was a planet inside the orbit of Mercury, which he hoped to find by observing its dark silhouette as it passed between the Sun and Earth. Unfortunately, he failed to find the hoped-for planet, but his diligence paid off with an even more important discovery: the sunspot cycle. He found that the number of sunspots varied systematically, in cycles about a decade long. In this laboratory, you will engage in tracking the Sun like Galileo and Schwabe during a six-day cycle and then do a simple calculation of the rotational period of our sun.---------------------------------------Distant Nature: Astronomy Exercises 2016 by Stephen Tuttle under license "Creative Commons Attribution Non-Commercial Share Alike".

Subject:
Astronomy
Material Type:
Activity/Lab
Author:
Hollyanna White
Date Added:
01/28/2022
Animated Video about Renewable Energy and the Energy Transition
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CC BY-NC
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The world is driven by fossil fuels like oil and gas. This has some negative repercussions: Rising energy prices due to decreasing deposits, dependence on unstable oil and gas producing regimes and global warming.
It becomes clear, that a revolution in the way how we produce and use energy is necessary. Central to this energy transition are new technologies, which produce energy from renewable sources such as wind or sun.
With Germany as an example, this clip shows what renewable energies are and how they work as well as what the concept of energy transition means.

The clip is part of the WissensWerte Project of the german non-profit organization /e-politik.de/ e.V.

Material Type:
Lecture
Provider:
edeos - digital education
Provider Set:
Individual Authors
Author:
Barkemeyer
Hörath
Künzl
Date Added:
10/11/2012
Blazing Gas
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Students are introduced to our Sun as they explore its composition, what is happening inside it, its relationship to our planet (our energy source), and the ways engineers help us learn about it.

Subject:
Applied Science
Astronomy
Engineering
Physical Science
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Denise W. Carlson
Geoffrey Hill
Jessica Butterfield
Jessica Todd
Date Added:
09/18/2014
Build Your Own Artificial Satellite
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CC BY
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Students build their own satellite using household materials. Through the process, they learn about satellites and their functions.

Subject:
Applied Science
Astronomy
Engineering
Physical Science
Material Type:
Activity/Lab
Lesson
Provider:
International Astronomical Union
Provider Set:
astroEDU
Author:
Syeda Lammim Ahad
Date Added:
01/01/2016
Capturing the Sun's Warmth
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In the exploration of ways to use solar energy, students investigate the thermal energy storage capacities of different test materials to determine which to use in passive solar building design.

Subject:
Applied Science
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Denise Carlson
Jeff Lyng
Malinda Schaefer Zarske
Sabre Duren
Xochitl Zamora-Thompson
Date Added:
10/14/2015
Concentrated Solar Power
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Students learn how the total solar irradiance hitting a photovoltaic (PV) panel can be increased through the use of a concentrating device, such as a reflector or lens. This is the final lesson in the Photovoltaic Efficiency unit and is intended to accompany a fun design project (see the associated Concentrating on the Sun with PVs activity) to wrap up the unit. However, it can be completed independently of the other unit lessons and activities.

Subject:
Applied Science
Career and Technical Education
Electronic Technology
Engineering
Material Type:
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Abigail Watrous
Jack Baum
Stephen Johnson
William Surles
Date Added:
09/18/2014
Concentrating on the Sun with PVs
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Students design, build and test reflectors to measure the effect of solar reflectance on the efficiency of solar PV panels. They use a small PV panel, a multimeter, cardboard and foil to build and test their reflectors in preparation for a class competition. Then they graph and discuss their results with the class. Complete this activity as part of the Photovoltaic Efficiency unit and in conjunction with the Concentrated Solar Power lesson.

Subject:
Applied Science
Career and Technical Education
Electronic Technology
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Abigail Watrous
Jack Baum
Malinda Schaefer Zarske
Stephen Johnson
William Surles
Date Added:
09/18/2014
Cooking Cookies with Solar Power
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In this video segment adapted from ZOOM, two solar cookers are tested against a control to see which can cook a "s'more" faster.

Subject:
Applied Science
Chemistry
Engineering
Physical Science
Physics
Technology
Material Type:
Activity/Lab
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
02/20/2004
Cooking with the Sun
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Students learn about using renewable energy from the Sun for heating and cooking as they build and compare the performance of four solar cooker designs. They explore the concepts of insulation, reflection, absorption, conduction and convection.

Subject:
Applied Science
Engineering
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Denise Carlson
Geoffrey Hill
Jeff Lyng
Jessica Butterfield
Jessica Todd
Malinda Schaefer Zarske
Sabre Duren
Xochitl Zamora-Thompson
Date Added:
10/14/2015
Design a Net-Zero Energy Classroom
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Students create a concept design of their very own net-zero energy classroom by pasting renewable energy and energy-efficiency items into and around a pretend classroom on a sheet of paper. They learn how these items (such as solar panels, efficient lights, computers, energy meters, etc.) interact to create a learning environment that produces as much energy as it uses.

Subject:
Applied Science
Engineering
Environmental Science
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Janet Yowell
Malinda Schaefer Zarske
William Surles
Date Added:
10/14/2015
Direct Energy Conversion
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CC BY-NC
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Direct Energy Conversion discusses both the physics behind energy conversion processes and a wide variety of energy conversion devices. A direct energy conversion process converts one form of energy to another through
a single process. The first half of this book surveys multiple devices that convert to or from electricity including piezoelectric devices, antennas, solar cells, light emitting diodes, lasers, thermoelectric devices, and batteries.
In these chapters, physical effects are discussed, terminology used by engineers in the discipline is introduced, and insights into material selection is studied. The second part of this book puts concepts of energy conversion
in a more abstract framework. These chapters introduce the idea of calculus of variations and illuminate relationships between energy conversion processes.

This peer-reviewed book is used for a junior level electrical engineering class at Trine University. However, it is intended not just for electrical engineers. Direct energy conversion is a fascinating topic because it does not fit neatly into a single discipline. This book also should be of interest to physicists, chemists, mechanical engineers, and other researchers interestedin an introduction to the energy conversion devices studied by scientists and engineers in other disciplines

Subject:
Applied Science
Engineering
Material Type:
Textbook
Provider:
Trine University
Author:
Andrea Mitofsky
Date Added:
06/19/2020
Environmental Technologies in Buildings
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CC BY-NC-SA
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This course focuses on the thermal, luminous, and acoustic behavior of buildings, examining the basic scientific principles underlying these phenomena and introducing students to technologies and analysis techniques for designing comfortable indoor environments. Students are challenged to apply these techniques and explore the role light, energy, and sound can play in shaping architecture.

Subject:
Applied Science
Architecture and Design
Arts and Humanities
Career and Technical Education
Environmental Science
Environmental Studies
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Reinhart, Christoph
Date Added:
09/01/2018
Explore world solar power capacity added in 2020
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In 2020, 437 new solar electricity projects worldwide added a total capacity of 38,941 MW. The largest project was the 1348 MW Karapınar YEKA-1 solar farm in Turkey. Asia, North America, and Europe were the main contributors to solar capacity, with China leading with 23% of the global additions.

Subject:
Applied Science
Career and Technical Education
Engineering
Environmental Studies
Material Type:
Case Study
Diagram/Illustration
Reading
Provider:
Boston University
Provider Set:
Boston University Institute for Global Sustainability
Date Added:
05/01/2023
Flights of Fancy Story Time: "Family of the Sun"
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"Family of the Sun," which tells the story of the planets in our solar system. After the story, do a craft to make a solar system playset.

Subject:
Arts and Humanities
Education
Physical Science
Material Type:
Activity/Lab
Provider:
National Air and Space Museum
Author:
National Air and Space Museum
Date Added:
09/15/2022
Fundamentals of Photovoltaics
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Fundamentals of photoelectric conversion: charge excitation, conduction, separation, and collection. Lectures cover commercial and emerging photovoltaic technologies and cross-cutting themes, including conversion efficiencies, loss mechanisms, characterization, manufacturing, systems, reliability, life-cycle analysis, risk analysis, and technology evolution in the context of markets, policies, society, and environment.
This course is one of many OCW Energy Courses, and it is an elective subject in MIT's undergraduate Energy Studies Minor. This Institute–wide program complements the deep expertise obtained in any major with a broad understanding of the interlinked realms of science, technology, and social sciences as they relate to energy and associated environmental challenges.

Subject:
Applied Science
Business and Communication
Career and Technical Education
Chemistry
Electronic Technology
Engineering
Environmental Science
Environmental Studies
Physical Science
Physics
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Buonassisi, Tonio
Date Added:
09/01/2013
Generators: Three Mile Island vs. Hoover Dam
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Educational Use
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Students are given a history of electricity and its development into the modern age lifeline upon which we so depend. The methods of power generation are introduced, and further discussion of each technology's pros and cons follows.

Subject:
Applied Science
Career and Technical Education
Electronic Technology
Engineering
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Brandon Jones
Date Added:
09/18/2014
Global Energy Enterprise
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CC BY-NC-SA
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Have you seen a Clean Coal baseball cap? In the challenge to meet soaring energy demand with limited resources, volatile issues like those related to the environment, national security and public health are often addressed outside of normal market transactions and are called externalities, or nonmarket factors. Stakeholders can act in resourceful ways to create a nonmarket environment that best serves their interest. A firm may challenge a law that makes it expensive or difficult to do business or compete with others, for example. An individual may organize a boycott of products or services that violate the individual's interests or principles--hey, don't buy from them! Nonmarket strategy in the energy sector is the subject of this engaging course.

Subject:
Applied Science
Career and Technical Education
Environmental Science
Environmental Studies
Material Type:
Full Course
Provider:
Penn State College of Earth and Mineral Sciences
Author:
Vera Cole
Date Added:
10/07/2019
Heat Transfer Lesson
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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.

Subject:
Applied Science
Ecology
Engineering
Forestry and Agriculture
Geoscience
Life Science
Physical Science
Physics
Space Science
Technology
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Denise W. Carlson
Landon B. Gennetten
Lauren Cooper
Malinda Schaefer Zarske
Date Added:
09/18/2014