Youngwoo Cho

Measuring the Size of the Earth part of Keyah Math:Activities
In this activity, students explore the method used by Eratosthenes to estimate the circumference of the earth. After engaging with the geometry and data Eratosthenes used, students compute the radius and volume of ...

Measuring the Size of the Earth from Arizona part of Keyah Math:Activities
In this activity, students use the geometric method of Eratosthenes and geographic data from Arizona to estimate the circumference of the earth. The circumference is then used to compute the radius and volume of ...

The Epicenter of a Southwestern Earthquake part of Keyah Math:Activities
This activity guides students to use the measured difference in P and S wave velocities to locate the epicenter of a minor earthquake in the Southwestern United States. Click here to view the full activity on the ...

Impact Processes at Meteor Crater part of Keyah Math:Activities
In this activity, students are introduced to impact processes in a study of Meteor Crater in northern Arizona. They are guided in the use of a set of relatively simple formulas from physics to estimate the energy ...

Mass and Density of the Earth part of Keyah Math:Activities
This activity is intended as a follow-up to the Measuring the Size of the Earth and Measuring the Size of the Earth from Arizona activities. Students use data on the radius and volume of Earth, Newton's Law of ...

Layers of the Earth part of Keyah Math:Activities
Students use graphs of seismic wave travel times, and value for the diameter of Earth obtained in the Size of the Earth activity, to investigate the internal structure of the Earth and determine that it is layered. ...

Geochronology in the San Juan Mountains (Advanced) part of Keyah Math:Activities
This is a mathematically more advanced version of the Ages of Rocks and the Earth activity that introduces students to the mathematics of radiometric dating. Students derive the decay equation for the ...

Impact Processes at Meteor Crater (Advanced) part of Keyah Math:Activities
This is a more mathematically advanced version of the Impact Processes activity that introduces students to impact geology in a study of Meteor Crater in northern Arizona. Students use a set of formulas from ...

Stream Flow in the Animas River part of Keyah Math:Activities
This activity consists of a set of problems in which students explore a simplified method for predicting streamflow in the Animas River in southwestern Colorado. Students first compute the area of the watershed ...

Snow Melt and Stream Flow in the Animas River (Advanced) part of Keyah Math:Activities
This activity consists of a set of problems in which students explore the contributions of water from rainfall and snowmelt over the watershed of the Animas River in southwestern Colorado. Students first compute ...

Image Classification part of Starting Point-Teaching Entry Level Geoscience:Teaching with GIS:Examples
An exercise to use a simple image analysis program to classify land surface types seen in satellite imagery in order to analyze changes in landscape development over time. -

Exploring Work and Energy part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is used to explore the difference between work and energy.

What sizes are the planets and how do they move around the sun? part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection

Lab: Horizontally Launched Projectiles (with uncertainty analysis) part of comPADRE Pedagogic Library:Measurement and Uncertainty:Examples
This is a version of the time-tested lab where students roll a ball off a table top and use kinematics in two dimensions to try to predict where the ball will land. While many versions of this lab have been ...

Activity: Measure Your Reaction Time part of comPADRE Pedagogic Library:Measurement and Uncertainty:Examples
This is a lab activity that allows students to collect data to practice using effective measurement. While other authors have produced similar labs, this version includes uncertainty analysis consistent with ...

Investigating Isotopes and Average Atomic Mass Using Pennies part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
Isotopic Pennies is an activity where students use what they have learned about isotopes and weighted averages to solve a new challenge.

Virtual Inquiry Field Lesson part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
The use of new technological motion sensing cameras creates a motivation for students in this life science lesson.

States of Matter: Which Will Propel the Balloon? part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity models the states of matter and students investigate those states with a balloon/straw rocket.

Introduction to the Milk Weed Ecosystem part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is an inquiry and field study based. Students will be trying to observe, document, compare, contrast, and communicate what information they were able to gather. The will use this information to make in inference about the organisms they have found and classify them as either an insect or not an insect.

Investigating the Effects of Density and Volume of a Cartesian Diver part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is an inquiry investigation where students gather data on why the Cartesian diver sinks or floats. They then develop a new question and then conduct a new investigation by changing one variable and repeat the altered experiment and record their conclusions.

Investigating Rotational Inertial Using Tops part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is an investigation regarding rotational inertia and factors that affect it.

Energy Flow through Organisms: An Introduction to Photosynthesis and Respiration part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This classroom activity introduces students to energy flow through organisms, producers & photosynthesis, and consumers & respiration.

Do all types of lights follow Ohm's Law? part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
In this physics lab students will investigate whether Ohm's Law applies to common electric devices (incandescent light bulbs and LEDs).

String Scientific Notation/Metric System Demonstration part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
Short demonstration on scientific notation by asking students to place numbers on a number line using string and notecards.

Making Observations and Drawings part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is designed to help students understand the importance of observations in science. It encourages them to work on the skill of observation and communicating those observations to others in the process of scientific inquiry.

Collecting and Identifying Rocks part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection

Teaching Case: Textiles and the Multi-Fiber Arrangement part of Pedagogy in Action:Library:Teaching with the Case Method:Examples
An "oldie but goodie" this 1983 case (revised in 1990), is set in December 1981, when the international arrangement governing international trade in textiles is up for renewal. The US, Europe and ...

Revving up for Relief: Harley-Davidson at the ITC part of Pedagogy in Action:Library:Teaching with the Case Method:Examples
Published in 1986, this Kennedy School case tells the story of Harley-Davidson's application to the ITC for temporary relief from high levels of imported Japanese motorcycles. The case lays out, in ...

Ages of Rocks and the Earth part of Keyah Math:Activities
This activity introduces students to the mathematics of radiometric dating. Students first apply the rubidium-strontium isotopic system to date rock samples from the San Juan Mountains of southwest Colorado, and ...

The Grand Canyon part of Starting Point-Teaching Entry Level Geoscience:Role Playing:Examples
This interdisciplinary lesson plan deals with the consequences of damming in the Grand Canyon area. The students, role-playing as scientists, write a proposal to try experimental flooding. -

Mapping Plate Boundaries part of Starting Point-Teaching Entry Level Geoscience:Interactive Lectures:Examples
Students can discover plate boundaries by plotting different sets of earthquakes and volcanic eruptions on maps. These are then stacked on the overhead projector, outlining the tectonic plates. -

IPCC Fourth Assessment Report, Working Group III: Chapter 12 Sustainable Development and mitigation part of CAMEL:Activities
Originally published by our Content Partner: Intergovernmental Panel on Climate Change (other articles) <table border="1" cellpadding="10" cellspacing="1" style="padding: 0px; ...

Teaching Climate Change Across the Disciplines part of CAMEL:Activities
Drawing on arguments put forth in Mike Hulme's book Why We Disagree About Climate Change, we will examine sources of disagreement about climate change causes, consequences, and solutions and consider how they can inform our teaching. The discussion will be facilitated to produce a matrix (or framework) for teaching about climate change.

Key Cretaceous Topics part of Integrating Research and Education:Cretaceous
This educational webpage from SERC's "Integrating Research and Education" project outlines key Cretaceous geological topics—such as paleontology, tectonics, climate, and stratigraphy—selected for their relevance to undergraduate geology curricula and designed to support instructors and students with integrated teaching resources.

Human Impacts part of Integrating Research and Education:Cretaceous
This educational webpage from the "Integrating Research and Education" project explores human impacts related to Cretaceous geological resources, focusing on petroleum geology and coalbed methane, with curated references, environmental considerations, and a student activity evaluating energy versus environmental trade-offs.

Guided Activities for Students part of Integrating Research and Education:Cretaceous
Educational resource page offering inquiry-based, self-guided student activities centered on the Cretaceous Period, featuring open-ended scientific questions, exploration pathways, and geology-focused learning materials developed for the Integrating Research in Education project.

Cretaceous Magmatism part of Integrating Research and Education:Cretaceous
Educational webpage detailing Cretaceous magmatism, covering superplumes, batholiths, and volcanism, with resources on geochemical evidence, tectonic impacts, and related geological phenomena for teaching and research.

Cretaceous Paleontology part of Integrating Research and Education:Cretaceous
A content page on Cretaceous paleontology offering educational resources on flora, fauna, palynology, and the K/T extinction, including fossil identification guides, academic references, and teaching activities.

Cretaceous Stratigraphy part of Integrating Research and Education:Cretaceous
This educational webpage presents a curated collection of stratigraphic resources focused on the Cretaceous period, organized by region—including the Colorado Plateau, Canada and Alaska, the Gulf Coast, and Europe/Tethys—with links to geological reports, maps, and paleogeographic reconstructions for teaching and research purposes.

Self-Guided Discovery Pathways through the Cretaceous Earth System part of Integrating Research and Education:Cretaceous
Educational webpage offering self-guided discovery pathways through Cretaceous Earth system science, emphasizing interdisciplinary connections among plate tectonics, climate change, paleontology, sedimentary basins, and energy resources to foster inquiry-based learning.

In the Mind of a Stratigrapher Exploring the Upper Cretaceous Hell Creek Formation, Montana part of Integrating Research and Education:Cretaceous
Educational webpage guiding students through hypothesis generation and testing in stratigraphy using the Upper Cretaceous Hell Creek Formation, emphasizing scientific method, depositional environments, lithofacies analysis, and problem-based learning within a structured, multi-part geoscience module.

Through the Eyes of a Stratigrapher Exploring the Upper Cretaceous Hell Creek Formation, Montana part of Integrating Research and Education:Cretaceous
Educational webpage offering a stratigraphic analysis exercise focused on the Upper Cretaceous Hell Creek Formation in Montana, featuring guided outcrop description activities, sedimentary structure interpretation, depositional environment inference, and lithofacies analysis for geoscience students.

In the Eyes and Mind of a Stratigrapher Exploring the Upper Cretaceous Hell Creek Formation, Montana part of Integrating Research and Education:Cretaceous
Educational webpage from the "Integrating Research and Education" project discussing stratigraphic analysis of the Upper Cretaceous Hell Creek Formation in Montana, emphasizing Walther’s Law, depositional and geologic history, sedimentology-stratigraphy-paleontology integration, and critical evaluation of published interpretations with guided student inquiry.

Exploring the Upper Cretaceous Hell Creek Formation, Montana: Through the Eyes of a Stratigrapher part of Integrating Research and Education:Cretaceous
Educational webpage detailing a stratigraphic exploration of Montana's Upper Cretaceous Hell Creek Formation, emphasizing scientific thinking through virtual field trips, sedimentary analysis, hypothesis testing, and geologic interpretation within an undergraduate teaching framework.

Cretaceous-Tertiary Boundary: A Great Enigma part of Integrating Research and Education:Cretaceous
This educational webpage from the SERC Digital Library explores the Cretaceous-Tertiary (K-T) boundary and mass extinction event through a guided inquiry pathway, offering students and educators structured questions, teaching resources, and critical analysis of extinction hypotheses tied to geological evidence like the Hell Creek Formation.

Teaching with Spreadsheets part of Pedagogy in Action:Library:Teaching with Spreadsheets
This educational resource page from the SERC Pedagogy in Action library explores the pedagogical use of spreadsheets in teaching, detailing their benefits for engaging students with real-world data, enhancing quantitative reasoning, and supporting interactive learning across disciplines, while offering practical guidance on implementation, examples, and references for educators.

All Things Cretaceous: Resource Collection part of Integrating Research and Education:Cretaceous
The goals of this thematic resource collection were to ascertain and organize some of the best digital resources relevant to the Cretaceous Period. An array of digital resources related to the Cretaceous are organized here to facilitate educational use. Specific topics include the K-T boundary, extinction, Cretaceous paleontology, Laramide tectonics, Sevier tectonics, Cretaceous sedimentary basin fill, coalbed methane resources, sea-level change, Cretaceous Interior Seaway, Tethys Sea, paleoclimate and paleogeography.

Cretaceous Geology: Places part of Integrating Research and Education:Cretaceous
This educational webpage, authored by Jennifer Aschoff for the Integrating Research in Education project, catalogs locations showcasing Cretaceous geology, including virtual field trips, stratigraphic resources, and National Park sites with detailed geological descriptions, photographs, and teaching materials focused on Cretaceous formations across the United States.

Cretaceous Climate part of Integrating Research and Education:Cretaceous
Educational webpage offering paleoclimate resources and teaching materials focused on the Cretaceous period, including climate dynamics, ocean conditions, and geological context, as part of the Integrating Research in Education project.

Cretaceous Plate Tectonics, Structural Geology and Orogenesis part of Integrating Research and Education:Cretaceous
Educational webpage covering Cretaceous-era plate tectonics, focusing on the Laramide Orogeny and Cordilleran fold and thrust belt, featuring structural geology, orogenesis, paleogeographic maps, and National Park geology resources for teaching.

Cretaceous Paleogeography part of Integrating Research and Education:Cretaceous
This educational resource page synthesizes Cretaceous paleogeography through plate reconstructions, continental configurations, and key geologic features like the Western Interior Seaway and Laramide orogeny, offering curated links to maps, animations, stratigraphic data, and National Park geology to support teaching and research in Earth history and tectonics.

Cretaceous Sedimentary Basins part of Integrating Research and Education:Cretaceous
Educational resource page covering Cretaceous sedimentary basins, focusing on Laramide basins in the North American Cordillera, with teaching materials, stratigraphic data, and geological context for educators and researchers.

Cretaceous Sea Level part of Integrating Research and Education:Cretaceous
Educational webpage synthesizing Cretaceous sea level fluctuations, eustatic changes, and paleogeographic reconstructions, with emphasis on the Western Interior Seaway, stratigraphic evidence, and tectonic drivers, serving as a teaching resource within the Integrating Research in Education project.