Measuring the Inclination and Declination of the Earth's magnetic field with a smartphone
Avradip Ghosh, University of Houston-University Park
The poles of the Earth's magnetic field are not precisely aligned with the geographic north and south poles and, in fact, vary continuously. This activity introduces to students the Earth's magnetic ...

Unit 1: Slip-sliding away: case study landslides in Italy and Peru
Sarah Hall, College of the Atlantic; Becca Walker, Mt. San Antonio College
How have mass-wasting events affected communities, and what lessons have we learned from these natural disasters that might help us mitigate future hazards? In this unit, students answer these questions by being ...

Lesson 3: The Value of a Water Footprint (High School)
Kai Olson-Sawyer, GRACE Communications Foundation
Session 1 of this lesson begins with a quick activity to get students thinking about their direct and virtual water use. It introduces a few new ideas for virtual water use that may surprise students, including the ...

Module 2: History of Food Systems
Steven Vanek, Pennsylvania State Univ-Penn St. Erie-Behrend Coll; Karl Zimmerer, Pennsylvania State University-Main Campus
This second module in the Future of Food course provides a historical overview of the emergence and development of food systems until the present. Module 2.1, the first half of this module, describes the transition ...

Unit 1: Exploring the Reservoirs and Pathways and Methods to Measure the Hydrologic Cycle
Jon Harvey (Fort Lewis College) and Becca Walker (Mt. San Antonio College)
How does water move throughout the Earth system? How do scientists measure the amount of water that moves through these pathways? This unit provides an alternative way for students to learn the major components of ...

Feldspar Minerals and Triangle Diagrams
Eileen Herrstrom, University of Illinois at Urbana-Champaign
This activity takes place in a laboratory setting and requires ~1.5-2 hours to complete. Students learn how to read a triangle or ternary diagram. They determine physical properties of feldspars and interpret two ...

Using Carbon Isotopes in Astrobiology: Origin of Life and beyond
Phoebe Cohen, Williams College
Carbon isotopes are used in many different ways by scientists to reconstruct Earth's past. For example, we can use carbon isotopes to determine when life first evolved on Earth, and to learn more about what ...

Erosion in a River
Nicole LaDue, Northern Illinois University
× Formative assessment questions using a classroom response system ("clickers") can be used to reveal students' spatial understanding. Students are shown these diagrams and instructed to ...

Unit 4: Comparing risks at different volcanoes
Rachel Teasdale (California State University Chico) and Kaatje van der Hoeven Kraft (Whatcom Community College)
Students assess the risks from three different volcanoes based on the Risk Equation, Risk = Hazard x Value x Vulnerability. The three volcanoes--Fuego Guatemala, Rinjani Indonesia, and Moana Loa Hawaii--have ...

Relative Dating with Art
Jennifer Cholnoky, Skidmore College
This activity asks students to make observations of an artwork and to deduce the sequence of events or processes that occurred during the creation of the piece.