Measuring the Size of the Earth part of Keyah Math:Activities
Kéyah Math Project development team: Nancy Zumoff, Christopher Schaufele, Steven Semken, Tracy Perkins, Lynn Onken, Philippe Laval, David Gonzales, and Andrew Becenti (deceased). Kéyah Math Project directed by Steven Semken , Arizona State University; and Christopher Schaufele and Nancy Zumoff, Professors of Mathematics, Emeritus. Archived at Arizona State University School of Earth and Space Exploration.
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 ...

Mass and Density of the Earth part of Keyah Math:Activities
Kéyah Math Project development team: Nancy Zumoff, Christopher Schaufele, Steven Semken, Tracy Perkins, Lynn Onken, Philippe Laval, David Gonzales, and Andrew Becenti (deceased). Kéyah Math Project directed by Steven Semken , Arizona State University; and Christopher Schaufele and Nancy Zumoff, Professors of Mathematics, Emeritus. Archived at Arizona State University School of Earth and Space Exploration.
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
Kéyah Math Project development team: Nancy Zumoff, Christopher Schaufele, Steven Semken, Tracy Perkins, Lynn Onken, Philippe Laval, David Gonzales, and Andrew Becenti (deceased). Kéyah Math Project directed by Steven Semken , Arizona State University; and Christopher Schaufele and Nancy Zumoff, Professors of Mathematics, Emeritus. Archived at Arizona State University School of Earth and Space Exploration.
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
Kéyah Math Project development team: Nancy Zumoff, Christopher Schaufele, Steven Semken, Tracy Perkins, Lynn Onken, Philippe Laval, David Gonzales, and Andrew Becenti (deceased). Kéyah Math Project directed by Steven Semken , Arizona State University; and Christopher Schaufele and Nancy Zumoff, Professors of Mathematics, Emeritus. Archived at Arizona State University School of Earth and Space Exploration.
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
Kéyah Math Project development team: Nancy Zumoff, Christopher Schaufele, Steven Semken, Tracy Perkins, Lynn Onken, Philippe Laval, David Gonzales, and Andrew Becenti (deceased). Kéyah Math Project directed by Steven Semken , Arizona State University; and Christopher Schaufele and Nancy Zumoff, Professors of Mathematics, Emeritus. Archived at Arizona State University School of Earth and Space Exploration.
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 ...

Measuring the Size of the Earth from Arizona part of Keyah Math:Activities
Kéyah Math Project development team: Nancy Zumoff, Christopher Schaufele, Steven Semken, Tracy Perkins, Lynn Onken, Philippe Laval, David Gonzales, and Andrew Becenti (deceased). Kéyah Math Project directed by Steven Semken , Arizona State University; and Christopher Schaufele and Nancy Zumoff, Professors of Mathematics, Emeritus. Archived at Arizona State University School of Earth and Space Exploration.
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 ...

Stream Flow in the Animas River part of Keyah Math:Activities
Kéyah Math Project development team: Nancy Zumoff, Christopher Schaufele, Steven Semken, Tracy Perkins, Lynn Onken, Philippe Laval, David Gonzales, and Andrew Becenti (deceased). Kéyah Math Project directed by Steven Semken , Arizona State University; and Christopher Schaufele and Nancy Zumoff, Professors of Mathematics, Emeritus. Archived at Arizona State University School of Earth and Space Exploration.
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 ...

The Epicenter of a Southwestern Earthquake part of Keyah Math:Activities
Kéyah Math Project development team: Nancy Zumoff, Christopher Schaufele, Steven Semken, Tracy Perkins, Lynn Onken, Philippe Laval, David Gonzales, and Andrew Becenti (deceased). Kéyah Math Project directed by Steven Semken , Arizona State University; and Christopher Schaufele and Nancy Zumoff, Professors of Mathematics, Emeritus. Archived at Arizona State University School of Earth and Space Exploration.
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
Kéyah Math Project development team: Nancy Zumoff, Christopher Schaufele, Steven Semken, Tracy Perkins, Lynn Onken, Philippe Laval, David Gonzales, and Andrew Becenti (deceased). Kéyah Math Project directed by Steven Semken , Arizona State University; and Christopher Schaufele and Nancy Zumoff, Professors of Mathematics, Emeritus. Archived at Arizona State University School of Earth and Space Exploration.
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 ...

Volcanic Ejecta from Sunset Crater part of Keyah Math:Activities
Kéyah Math Project development team: Nancy Zumoff, Christopher Schaufele, Steven Semken, Tracy Perkins, Lynn Onken, Philippe Laval, David Gonzales, and Andrew Becenti (deceased). Kéyah Math Project directed by Steven Semken , Arizona State University; and Christopher Schaufele and Nancy Zumoff, Professors of Mathematics, Emeritus. Archived at Arizona State University School of Earth and Space Exploration.
Students are provided with equations and geological data to estimate the velocities and impact effects of volcanic bombs that were ejected during the last eruption of Sunset Crater, a young cinder cone volcano in ...