Earth's history in 4.56 meters: constructing a timeline with calculator tape part of Activity Collection
An activity where students make a geologic timeline from calculator tape.

Exploring Radiometric Dating with Dice part of Activity Collection
An activity in which students use dice to explore radioactive decay and dating and make simple calculations.

Back-of-the-Envelope Calculations: Percentage of Copper in Ore part of Activity Collection
Question Suppose that you are building a new house. It will take about 90 kg (198 pounds) of copper to do the electrical wiring. In order to get the copper in the first place, someone needs to mine solid rock that ...

Reading Topographic Maps and Calculating Map Scale part of Activity Collection
Use a topographic map to deliniate a watershed, draw a map bar scale, and calculate a map ratio scale.

Density of rocks - How large is a ton of rock? part of Activity Collection
This module addresses the problem of how to determine the size of a ton of rocks of a given composition and invites the student to figure out how to solve the problem.

Using functions in an introductory geoscience course part of Activity Collection
A template and two exercises (CO2 and population growth) designed to increase the graphical literacy of students in introductory geoscience and mathematics courses.

The Floating Lithosphere - Isostasy part of Activity Collection
Students are asked to numerically and then analytically determine the relations governing the depth of compensation.

Back-of-the-Envelope Calculations: Scale of the Himalayas part of Activity Collection
Question Let's imagine a scale model of the Earth, and let's imagine that the Earth is the size of a basketball. Suppose that you wanted to build the Himalayas to scale on the surface of the basketball. ...

The Floating Lithosphere - Isostasy part of Activity Collection
Students are asked to numerically and then analytically determine the relations governing the depth of compensation.

The Floating Lithosphere - Eureka! part of Activity Collection
In this module, students examine Archimede's Principle in general and as it applies to Isostacy.