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Angular Velocity: Sweet Wheels
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Students analyze the relationship between wheel radius, linear velocity and angular velocity by using LEGO(TM) MINDSTORMS(TM) NXT robots. Given various robots with different wheel sizes and fixed motor speeds, they predict which has the fastest linear velocity. Then student teams collect and graph data to analyze the relationships between wheel size and linear velocity and find the angular velocity of the robot given its motor speed. Students explore other ways to increase linear velocity by changing motor speeds, and discuss and evaluate the optimal wheel size and desired linear velocities on vehicles.

Subject:
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
James Muldoon
Jigar Jadav
Kelly Brandon
Date Added:
10/14/2015
Biology
Unrestricted Use
CC BY
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Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

Subject:
Life Science
Biology
Material Type:
Full Course
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
08/22/2012
Remix
Biology, The Chemistry of Life, The Study of Life, The Science of Biology
Conditional Remix & Share Permitted
CC BY-NC-SA
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By the end of this section, you will be able to:Identify the shared characteristics of the natural sciencesSummarize the steps of the scientific methodCompare inductive reasoning with deductive reasoningDescribe the goals of basic science and applied science

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Author:
Tina B. Jones
Date Added:
08/17/2019
Biology, The Chemistry of Life, The Study of Life, The Science of Biology
Conditional Remix & Share Permitted
CC BY-NC
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By the end of this section, you will be able to:Identify the shared characteristics of the natural sciencesSummarize the steps of the scientific methodCompare inductive reasoning with deductive reasoningDescribe the goals of basic science and applied science

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Course: Open for Insight
Conditional Remix & Share Permitted
CC BY-SA
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This is an online course in experimentation as a method of the empirical social sciences, directed at science newcomers and undergrads. We cover topics such as:
- How do we know what’s true?
- How can one recognize false conclusions?
- What is an experiment?
- What are experiments good for, and what can we learn from them?
- What makes a good experiment and how can I make a good experiment?

The aim of the course is to illustrate the principles of experimental insight. We also discuss why experiments are the gold standard in empirical social sciences and how a basic understanding of experimentation can also help us deal with questions in everyday life.

But it is not only exciting research questions and clever experimental set-ups that are needed for experiments to really work well. Experiments and the knowledge gained from them should be as freely accessible and transparent as possible, regardless of the context. Only then can other thinkers and experimenters check whether the results can be reproduced. And only then can other thinkers and experimenters build their own experiments on reliable original work. This is why the online course Open for Insight also discusses how experiments and the findings derived can be developed and communicated openly and transparently.

Subject:
Philosophy
Psychology
Sociology
Material Type:
Full Course
Provider:
Tilburg University
Author:
Rima-Maria Rahal
Date Added:
08/25/2020
Design Expedition Guide: Experiment
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CC BY-NC-SA
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An experiment expedition allows you to test and refine solution(s)/intervention(s) and question underlying assumptions. There are typically many stages of prototyping before determining your ultimate intervention. Mark your current understanding of your stage of testing for this expedition (What are you testing?)

Subject:
Architecture and Design
Material Type:
Activity/Lab
Author:
Naomi Roumani
Thomas Both
Date Added:
01/31/2020
Dyeing to Design
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Educational Use
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Students experiment with various ways to naturally dye materials using sources found in nature—roots, leaves, seeds, spices, etc.—as well as the method of extracting dyes. Then they analyze various materials using statistical methods and tackle an engineering design challenge—to find dyes that best suit the needs of a startup sustainable clothing company.

Subject:
Statistics and Probability
Physical Science
Chemistry
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
Activities
Author:
Amanda Grear
Brett Doudican
Carly Monfort
Craig George
Date Added:
10/18/2018
Gears: Determining Angular Velocity
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Students work as engineers and learn to conduct controlled experiments by changing one experimental variable at a time to study its effect on the experiment outcome. Specifically, they conduct experiments to determine the angular velocity for a gear train with varying gear ratios and lengths. Student groups assemble LEGO MINDSTORMS(TM) NXT robots with variously sized gears in a gear train and then design programs using the NXT software to cause the motor to rotate all the gears in the gear train. They use the LEGO data logging program and light sensors to set up experiments. They run the program with the motor and the light sensor at the same time and analyze the resulting plot in order to determine the angular velocity using the provided physics-based equations. Finally, students manipulate the gear train with different gears and different lengths in order to analyze all these factors and figure out which manipulation has a higher angular velocity. They use the equations for circumference of a circle and angular velocity; and convert units between radians and degrees.

Subject:
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
James Cox
Jasmin Mejias
Jennifer S. Haghpanah
Leonarda Huertas
Mihai Pruna
Date Added:
09/18/2014
Geometry Solutions: Design and Play Mini-Golf
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Students learn about geometric relationships by solving real mini putt examples on paper and then using putters and golf balls to experiment with the teacher’s pre-made mini put hole(s) framed by 2 x 4s, comparing their calculated (theoretical) results to real-world results. To “solve the holes,” they find the reflections of angles and then solve for those angles. They do this for 1-, 2- and 3-banked hole-in-one shots. Next, students apply their newly learned skills to design, solve and build their own mini putt holes, also made of 2 x 4s and steel corners.

Subject:
Geometry
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
Activities
Author:
Aaron Lamplugh
Andi Vicksman
Devin Rourke
Maia Vadeen
Malinda Zarske
Nathan Coyle
Russell Anderson
Ryan Sullivan
Date Added:
03/01/2017
Global Warming Experiment
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CC BY-NC-SA
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In this assignment, you will conduct an experiment to simulate the greenhouse effect and global warming. You will be recording and graphing your results.

Subject:
Environmental Science
Material Type:
Activity/Lab
Author:
Amy Pace
Rose Van Moorlehem
Date Added:
05/14/2019
Heat and temperature change experiment
Unrestricted Use
CC BY
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The purpose of this experiment is to explore heat transfer using a simple coffee cup calorimeter. Two separate processes will be examined: one that transfers heat to the surroundings, and one that absorbs heat from the surroundings.

A demonstration of the experiment can be viewed on YouTube: https://youtu.be/R2HivPOCfCo

Subject:
Chemistry
Material Type:
Activity/Lab
Assessment
Homework/Assignment
Author:
Katherine Darvesh
Date Added:
07/06/2020
How Effective Is Your Sunscreen?
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Educational Use
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Student teams design and conduct quality-control experiments to test the reliability of several ultraviolet protection factors. Students use UV-detecting beads in their experimental designs to test the effectiveness of various types of sunscreens and sunblock. For example, they might examine zinc oxide nanoparticles versus traditional organic sun protection factors. UV intensity is quantitatively measured by UVA and UVB Vernier sensors, and students record and graph their results. By designing and conducting this experiment, students compare various substances, while learning about quality control.

Subject:
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Amber Spolarich
Michelle Bell
Date Added:
10/14/2015
If You're Not Part of the Solution, You're Part of the Precipitate!
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Students continue the research begun in the associated lesson as if they were biomedical engineers working for a pharmaceutical company. Groups each perform a simple chemical reaction (to precipitate solid calcium out of solution) to observe what may occur when Osteopontin levels drop in the body. With this additional research, students determine potential health complications that might arise from a new drug that could reduce inflammatory pain in many patients, improving their quality of life. The goal of this activity is to illustrate biomedical engineering as medical problem solving, as well as emphasize the importance of maintaining normal body chemistry.

Subject:
Engineering
Health, Medicine and Nursing
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Angela D. Kolonich
Date Added:
09/18/2014
Impact Craters
Unrestricted Use
CC BY
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The students will learn about recent meteor strikes and the effects they can have. They will then examine their significance in the history of the planet, and what they do to the surface of a planet when forming a crater. The students will then experimentally determine how the size and impact velocity of a meteorite determine the size of the crater.

Subject:
Astronomy
Material Type:
Activity/Lab
Provider:
International Astronomical Union
Provider Set:
astroEDU
Author:
Christian Eistrup
Ronan Smith
Date Added:
02/06/2018
Introduction to Sociology 2e
Unrestricted Use
CC BY
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Introduction to Sociology 2e adheres to the scope and sequence of a typical, one-semester introductory sociology course. It offers comprehensive coverage of core concepts, foundational scholars, and emerging theories, which are supported by a wealth of engaging learning materials. The textbook presents detailed section reviews with rich questions, discussions that help students apply their knowledge, and features that draw learners into the discipline in meaningful ways. The second edition retains the book’s conceptual organization, aligning to most courses, and has been significantly updated to reflect the latest research and provide examples most relevant to today’s students. In order to help instructors transition to the revised version, the 2e changes are described within the preface.

Subject:
Social Science
Sociology
Material Type:
Full Course
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
02/01/2012
Lab Research to Engineer a Phosphorescent Bioplastic
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Students gain first-hand experience with the steps of the scientific method as well as the overarching engineering design process as they conduct lab research with the aim to create a bioplastic with certain properties. Students learn about the light mechanism that causes ultraviolet bead color change, observe the effect of different light waves on a phosphorescence powder, and see the connection between florescence, phosphorescence and wavelength. Students compose hypotheses and determine experimental procedure details, as teams engineer variations on a bioplastic solid embedded with phosphorescence powder. The objective is to make a structurally sound bioplastic without reducing its glowing properties from the powder embedded within its matrix. Groups conduct qualitative and quantitative analyses of their engineered plastics, then recap and communicate their experiment conclusions in the form of a poster, slides and verbal presentation. As an extension, teams make their own testing apparatuses. As a further extension, they combine all the group results to determine which bioplastic matrix best achieves the desired properties and then “manufacture” the optimum bioplastic into glowing toy figurine end products! Many handouts, instructions, photos and rubrics are provided.

Subject:
Engineering
Chemistry
Physics
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
Activities
Author:
Jamie Sorrell
Michael Hipp
Date Added:
09/23/2017
Making Model Microfluidic Devices Using JELL-O
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Educational Use
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Students create large-scale models of microfluidic devices using a process similar to that of the PDMS and plasma bonding that is used in the creation of lab-on-a-chip devices. They use disposable foam plates, plastic bendable straws and gelatin dessert mix. After the molds have hardened overnight, they use plastic syringes to inject their model devices with colored fluid to test various flow rates. From what they learn, students are able to answer the challenge question presented in lesson 1 of this unit by writing individual explanation statements.

Subject:
Engineering
Life Science
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Michelle Woods
Date Added:
09/18/2014
Name That Metal!
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Given an assortment of unknown metals to identify, student pairs consider what unique intrinsic (aka intensive) metal properties (such as density, viscosity, boiling or melting point) could be tested. For the provided activity materials (copper, aluminum, zinc, iron or brass), density is the only property that can be measured so groups experimentally determine the density of the "mystery" metal objects. They devise an experimental procedure to measure mass and volume in order to calculate density. They calculate average density of all the pieces (also via the graphing method if computer tools area available). Then students analyze their own data compared to class data and perform error analysis. Through this inquiry-based activity, students design their own experiments, thus experiencing scientific investigation and experimentation first hand. A provided PowerPoint(TM) file and information sheet helps to introduce the five metals, including information on their history, properties and uses.

Subject:
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Ann McCabe
Azim Laiwalla
Carleigh Samson
Dua Naim Chaker
Karen McCleary
Date Added:
10/14/2015