Microcontrollers are the brains of the electronic world, but in order to …
Microcontrollers are the brains of the electronic world, but in order to play with one, you must first get it connected! For this maker challenge, students learn how to connect their Arduino microcontroller circuit boards to computers. First, students are walked through the connection process, helped to troubleshoot common pitfalls, and write their first Arduino programs (setup and loop functions, semicolons, camel case, pin 13 LED). Then they are given the open-ended challenge to create their own blinking LED code—such as writing Morse code messages and mimicking the rhythm of a heartbeat. This practice helps students become comfortable with the fundamental commands before progressing to more difficult programs.
This is the first of nine lessons in the Visualizing and Understanding …
This is the first of nine lessons in the Visualizing and Understanding the Science of Climate Change website. This lesson is an introduction to Earth's climate and covers key principles regarding Earth's unique climate, atmosphere, and regional and temporal climate differences.
In this lab I simply have students dissolve halite and sylvite in …
In this lab I simply have students dissolve halite and sylvite in water at various temperatures. I use this experiment to introduce students to the principles of equilibrium thermodynamics, as well as basic lab skills, data analysis, and lab report writing. Students use basic laboratory skills to conduct their experiments then analyze their data using a spreadsheet program such as Excel. They then write up their results and discussion in a formal lab report.
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This is a short project that can be used in-class or as …
This is a short project that can be used in-class or as homework. It involves just a few questions and it is intended to help students understand the idea of Gibbs free energy. It cannot completely stand alone. I use it after I have talked about Gibbs free energy for 20 minutes. It helps clarify my lecture.
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Students are introduced to the concept of simple tools and how they …
Students are introduced to the concept of simple tools and how they can make difficult or impossible tasks easier. They begin by investigating the properties of inclined planes and how implementing them can reduce the force necessary to lift objects off the ground.
30-page illustrated guide to fundamentals of measurement. This is intended to be …
30-page illustrated guide to fundamentals of measurement. This is intended to be a clear, comprehensive overview of effective measurement technique. Intended for advanced high school or introductory college level students. Includes worked examples and problems.
This is short problem set to be used in class. It helps …
This is short problem set to be used in class. It helps focus discussion, while providing a starting point for discussing mineral reactions and phase diagrams. Students are exposed to ternary composition diagrams and to phase diagrams. They are also introduced to the phase rule, although in quite a superficial way.
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In this lab students interpret bathymetric, topography, sea floor ages, and earthquake …
In this lab students interpret bathymetric, topography, sea floor ages, and earthquake distributions to reinforce concepts about the different types of plate boundaries. Each student must interpret several sets of data to determine the location and type of plate boundary. To develop a set of basic analytical skills, the students draw several diagrams and graphs to reinforce the data presented in figures. Students are also asked to think critically about plate rates and what happens to the crust at the different plate boundaries. This activity uses online and/or real-time data and has minimal/no quantitative component.
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The microscopic world is full of phenomena very different from what we …
The microscopic world is full of phenomena very different from what we see in everyday life. Some of those phenomena can only be explained using quantum mechanics. This activity introduces basic quantum mechanics concepts about electrons that are essential to understanding modern and future technology, especially nanotechnology. Start by exploring probability distribution, then discover the behavior of electrons with a series of simulations.
This exercise is intended as a group exercise to help students learn …
This exercise is intended as a group exercise to help students learn the fundamentals of using ternary phase diagrams. It is a much better way for students to learn about the diagrams than to lecture to them. Good students will be able to walk through this with little assistance from the instructor.Weaker students will struggle and need help from peers or instructors. The entire exercise takes 1-2 hours for most.
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This activity is designed to provide qualitative understanding of the Work-Energy Theorem. …
This activity is designed to provide qualitative understanding of the Work-Energy Theorem. Students are expected to have read introductory material regarding the theorem, and are tested on this with a short online quiz prior to class. After a brief discussion a "warm-up" demonstration is conducted with student participation. A question is then posed regarding the height a "Hopper Popper" will reach if launched from a thumb instead of a hard flat surface. After initial responses are presented, discussion groups are formed to achieve consensus and provide justification of conclusions. This is followed by a confirming demonstration with surprising results.
Students learn about video motion capture technology, becoming familiar with concepts such …
Students learn about video motion capture technology, becoming familiar with concepts such as vector components, magnitudes and directions, position, velocity, and acceleration. They use a (free) classroom data collection and processing tool—the ARK Mirror—to visualize and record 3-D motion. The Augmented Reality Kinematics (ARK) Mirror software collects data via a motion detector. Using an Orbbec Astra Pro 3D camera or Microsoft Kinect (see note below), students can visualize and record a robust set of data and interpret them using statistical and graphical methods. This lesson introduces students to just one possible application of the ARK Mirror software—in the context of a high school physics class. Note: The ARK Mirror is ported to operate on an Orbbec platform. It may also be used with a Microsoft Kinect, although that Microsoft hardware has been discontinued. Refer to the Using ARK Mirror and Microsoft Kinect attachment for how to use the ARK MIrror software with Microsoft Kinect.
This lesson provides a way for students to determine the relationship between …
This lesson provides a way for students to determine the relationship between the distance from a light source and its brightness. Once students discover the relationship, they can begin to understand how astronomers use this knowledge to determine the distances to stars and far away galaxies.
This activity can be conducted in the classroom. The students are given …
This activity can be conducted in the classroom. The students are given an opportunity to discover the basic concept of balance/counterbalance and how evenly distributed weight affects an object.
This learning experience is where students launch a bottle rocket and compare …
This learning experience is where students launch a bottle rocket and compare how long the bottle was in the air to how much water is placed in the rocket.
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