This laboratory measures the parallax shift of the Delta Leonis and uses …
This laboratory measures the parallax shift of the Delta Leonis and uses a Spectral Classification Table to calculate the radius of this star from its temperature.---------------------------------------Distant Nature: Astronomy Exercises 2016 by Stephen Tuttle under license "Creative Commons Attribution Non-Commercial Share Alike".
This laboratory consists of two parts. In part A, we will follow …
This laboratory consists of two parts. In part A, we will follow Hubble’s method of measuring distances. Using pulsation time periods, we will obtain the absolute magnitude of a Cepheid variable and convert this absolute magnitude into luminosity which will, in turn, give us the distance. In Part B, we will use spectral shift (the Doppler effect) to determine the Hubble Constant. --------------------------------------- Distant Nature: Astronomy Exercises 2016 by Stephen Tuttle under license "Creative Commons Attribution Non-Commercial Share Alike".
In Part B, we will use a Python computer coding script to …
In Part B, we will use a Python computer coding script to obtain a spectral redshift of a galaxy (M100). From this redshift, we will use the Doppler formula to find a recession speed. From this speed, we will apply Hubble’s Law to obtain the Hubble Constant.---------------------------------------Distant Nature: Astronomy Exercises 2016 by Stephen Tuttle under license "Creative Commons Attribution Non-Commercial Share Alike".
This video segment adapted from First Light explains why the highest peak …
This video segment adapted from First Light explains why the highest peak in the Pacific, Mauna Kea, is an ideal site for astronomical observations. Featured are new telescope technologies that allow astronomers to explore the universe in more depth.
This segment from Swift: Eyes through Time traces the history military officers …
This segment from Swift: Eyes through Time traces the history military officers and engineers discovering a strange phenomenon in the sky that astronomers now know are gamma-ray bursts.
This module provides an intrioduction to acid and base chemistry. The Arrhenius …
This module provides an intrioduction to acid and base chemistry. The Arrhenius and Bronsted-Lowry concepts of acids and bases are discussed as well as the pH scale and neutralization reactions.
In this video segment adapted from ZOOM, two cast members demonstrate what …
In this video segment adapted from ZOOM, two cast members demonstrate what happens when vinegar is added to baking soda inside a container. The resulting chemical reaction produces enough carbon dioxide to launch their paper rocket skyward. Recommended for: Grades K-5
A car propelled by the reaction between lemon juice and baking soda …
A car propelled by the reaction between lemon juice and baking soda has more in common with rockets and jet aircraft than one might think. In this video segment adapted from ZOOM, two cast members demonstrate the power of rocket-propelled vehicles and how to exploit the force produced by the carbon dioxide gas. Grades 3-8.
It would seem that bottles of lemon juice and rockets have only …
It would seem that bottles of lemon juice and rockets have only their basic shape in common. However, as two cast members from ZOOM demonstrate in this adapted video segment, when baking soda is added to the mix, a plastic bottle can act very much like a real rocket. Grades 3-8.
Students will use knowledge of adaptations to compare the structures and functions …
Students will use knowledge of adaptations to compare the structures and functions of plants. These likenesses are passed down between parent plants and their offspring
STUDENT ACTIVITY – 4th -- TXThis is a distance-learning lesson students can …
STUDENT ACTIVITY – 4th -- TXThis is a distance-learning lesson students can complete at home.Students will use knowledge of adaptations to compare the structures and functions of plants. These likenesses are passed down between parent plants and their offspring.This activity was created by Out Teach (out-teach.org), a nonprofit providing outdoor experiential learning to transform Science education for students in under-served communities. .
This lesson will tie into the Nebraska science standards below. Students will …
This lesson will tie into the Nebraska science standards below. Students will learn how to search Worldbook KIDS online to study different animals and plants, as a class and independently. With a teacher’s help, students will then learn about animal and plant adaptations that help them survive in their habitats in order to come up with a solution to a human problem. The standards in bold print are the ones that will be the classroom teacher’s focus, but the librarian’s goal will be to introduce students to Worldbook KIDS as a reference source.It can easily be adapted to be a whole unit. Please let me know if you would like to help/edit this lesson to enhance it!
The 16 lectures in this course cover the topics of adaptive antennas …
The 16 lectures in this course cover the topics of adaptive antennas and phased arrays. Both theory and experiments are covered in the lectures. Part one (lectures 1 to 7) covers adaptive antennas. Part two (lectures 8 to 16) covers phased arrays. Parts one and two can be studied independently (in either order). The intended audience for this course is primarily practicing engineers and students in electrical engineering. This course is presented by Dr. Alan J. Fenn, senior staff member at MIT Lincoln Laboratory. Online Publication
Finches on the Galapagos Islands have evolved to exploit almost every possible …
Finches on the Galapagos Islands have evolved to exploit almost every possible niche. This diagram shows the range of food sources available on the island and the different beak shapes adapted to exploit each of them.
Hear about how respect for Earth can help us attain a more …
Hear about how respect for Earth can help us attain a more sustainable lifestyle in the face of climate change in this video segment adapted from United Tribes Technical College.
This course offers analysis and practice of various forms of scientific and …
This course offers analysis and practice of various forms of scientific and technical writing, from memos to journal articles, in addition to strategies for conveying technical information to specialist and non-specialist audiences. Comparable to 21W.780 Communicating in Technical Organizations, but methods in this course are designed to deal with special problems of advanced ELS or bilingual students. The goal of the workshop is to develop effective writing skills for academic and professional contexts. Models, materials, topics and assignments vary from term to term.
Our brains control every movement we make. Most of us take for …
Our brains control every movement we make. Most of us take for granted our ability to pick up a cup or change the television station. However, for people who have lost a limb or become paralyzed, the inability to do these things means a loss of freedom and independence. This video segment from Greater Boston describes how neuroscientists and bioengineers have teamed up to create a system that allows people who have lost motor functions to control electronic devices through their thoughts alone. Grades 6-12
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