In this activity, students examine how different balls react when colliding with …
In this activity, students examine how different balls react when colliding with different surfaces. Also, they will have plenty of opportunity to learn how to calculate momentum and understand the principle of conservation of momentum.
Paul Andersen explains how his new video series for AP Physics 1 …
Paul Andersen explains how his new video series for AP Physics 1 & 2 will be organized. He hopes to have the entire video series completed by this fall.
Building on lessons learned over several summers, Kristin Raab—Health Impact Assessment and …
Building on lessons learned over several summers, Kristin Raab—Health Impact Assessment and Climate Change Program Director in the Environmental Health Division of Minnesota’s Department of Health—packaged information from diverse communities into a cohesive toolkit that communities of all sizes can use to prepare for heat waves. The Minnesota Extreme Heat Toolkit describes changing weather conditions in Minnesota, the magnitude of potential health consequences from extreme heat, and key steps communities can take to prevent heat-related illnesses and deaths. The toolkit acknowledges that extreme heat response plans will vary with the size of the community and the habits of its residents: examples from the mostly rural Olmsted County and the urban centers of Saint Paul and Minneapolis illustrate a range of community plans that could be useful in Minnesota and beyond.
The resource, "Brazilian Amazon Deforestation (image)" included in "Lesson 3 Human Footprint" …
The resource, "Brazilian Amazon Deforestation (image)" included in "Lesson 3 Human Footprint" is a part of "Unit 02 The Human Footprint" included in Energy & Sustainability ES - Course 2
Design and construction of breakwaters and closure dams in estuaries and rivers. …
Design and construction of breakwaters and closure dams in estuaries and rivers. Functional requirements, determination of boundary conditions, spatial and constructional design and construction aspects of breakwaters and dams consisting of rock, sand and caissons.
Students act as engineers to learn about the strengths of various epoxy-amine …
Students act as engineers to learn about the strengths of various epoxy-amine mixtures and observe the unique characteristics of different mixtures of epoxies and hardeners. Student groups make and optimize thermosets by combining two chemicals in exacting ratios to fabricate the strongest and/or most flexible thermoset possible.
The video resource "A Brief History of the Universe: Crash Course Astronomy …
The video resource "A Brief History of the Universe: Crash Course Astronomy #44" is included in the "Astronomy" course from the resources series of "Crash Course". Crash Course is a educational video series from John and Hank Green.
A new chapter in Introductory Organic Chemistry course. Lecture PowerPoint file and …
A new chapter in Introductory Organic Chemistry course. Lecture PowerPoint file and laboratory document are also included in this work. The goal of this chapter is to cover the basic ground of the food additives from the perspective of organic chemistry.
Lecture PowerPoint slides have all in-class questions/discussions and after-class assignments listed.
Laboratory document – Synthesis of Yellow 5 (Sunset yellow), an azo dye used in food industry. Document includes a short introduction, detailed experimental procedure and post-laboratory questions.
Bromine if one of the few elements which is liquid at room …
Bromine if one of the few elements which is liquid at room temperature and it's known for its "stench". This video is one of the 118 clips included in the periodic table of elements themed collection created by Brady Haran and the University of Nottingham in the UK.
The video resource "Brown Dwarfs: Crash Course Astronomy #28" is included in …
The video resource "Brown Dwarfs: Crash Course Astronomy #28" is included in the "Astronomy" course from the resources series of "Crash Course". Crash Course is a educational video series from John and Hank Green.
Students work in groups to create soap bubbles on a smooth surface, …
Students work in groups to create soap bubbles on a smooth surface, recording their observations from which they formulate theories to explain what they see (color swirls on the bubble surfaces caused by refraction). Then they apply this theory to thin films in general, including porous films used in biosensors, listing factors that could change the color(s) that become visible to the naked eye, and learn how those factors can be manipulated to give information on gene detection. Finally (by experimentation or video), students see what happens when water is dropped onto the surface of a Bragg mirror.
The video resource "Buffers, the Acid Rain Slayer: Crash Course Chemistry #31" …
The video resource "Buffers, the Acid Rain Slayer: Crash Course Chemistry #31" is included in the "Chemistry" course from the resources series of "Crash Course". Crash Course is a educational video series from John and Hank Green.
Whether you want to light up a front step or a bathroom, …
Whether you want to light up a front step or a bathroom, it helps to have a light come on automatically when darkness falls. For this maker challenge, students create their own night-lights using Arduino microcontrollers, photocells and (supplied) code to sense light levels and turn on/off LEDs as they specify. As they build, test, and control these night-lights, they learn about voltage divider circuits and then experience the fundamental power of microcontrollers—controlling outputs (LEDs) based on sensor (photocell) input readings and if/then/else commands. Then they are challenged to personalize (and complicate) their night-lights—such as by using delays to change the LED blinking rate to reflect the amount of ambient light, or use many LEDs and several if/else statements with ranges to create a light meter. The possibilities are unlimited!
Students are challenged to design their own small-sized prototype light sculptures to …
Students are challenged to design their own small-sized prototype light sculptures to light up a hypothetical courtyard. To accomplish this, they use Arduino microcontrollers as the “brains” of the projects and control light displays composed of numerous (3+) light-emitting diodes (LEDs). With this challenge, students further their learning of Arduino fundamentals by exploring one important microcontroller capability—the control of external circuits. The Arduino microcontroller is a powerful yet easy-to-learn platform for learning computer programing and electronics. LEDs provide immediate visual success/failure feedback, and the unlimited variety of possible results are dazzling!
Students build their own small-scale model roller coasters using pipe insulation and …
Students build their own small-scale model roller coasters using pipe insulation and marbles, and then analyze them using physics principles learned in the associated lesson. They examine conversions between kinetic and potential energy and frictional effects to design roller coasters that are completely driven by gravity. A class competition using different marbles types to represent different passenger loads determines the most innovative and successful roller coasters.
The city of Fort Collins, Colorado, found a win-win solution to problems …
The city of Fort Collins, Colorado, found a win-win solution to problems it faced with 100 acres of abandoned property. The city now enjoys new green space, improved floodwater management, and a boosted economy.
Students create and decorate their own spectrographs using simple materials and holographic …
Students create and decorate their own spectrographs using simple materials and holographic diffraction gratings. A holographic diffraction grating acts like a prism, showing the visual components of light. After building the spectrographs, students observe the spectra of different light sources as homework.
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