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

Modeling the interior of the Earth using Seismic Waves part of Quantitative Skills:Activity Collection
Students use a variety of tools to explore the interior of the Earth in this inquiry activity.

Flood Frequency and Risk Assessment part of Quantitative Skills:Activity Collection
Students calculate recurrence intervals for various degrees of flooding based on historical data. Students then do a risk assessment for the surrounding community.

Two streams, two stories... How Humans Alter Floods and Streams part of Quantitative Skills:Activity Collection
An activity/lab where students determine the changes in 100-year flood determinations for 2 streams over time.

Investigation: When will there no longer be glaciers in Glacier National Park? part of Quantitative Skills:Activity Collection
Students use historical data on the extent of the Grinnell Glacier in Glacier National Park to estimate when the glacier will melt completely.

Toilet Paper Analogy for Geologic Time part of Quantitative Skills:Activity Collection
An in class demonstration of the vastness of geologic time using a 1000-roll sheet of toilet paper and unrolling it around the room.

Earthquake Shaking and Damage part of Quantitative Skills:Activity Collection
This student homework and problem set has students quantitatively earthquake hazard, shaking and damage.

Vectors and slope stability part of Quantitative Skills:Activity Collection
An in-class activity or homework for graphically solving slope-stability problems with vectors.

Understanding Radioactivity in Geology: The Basics of Decay part of Quantitative Skills:Activity Collection
PowerPoint module leading students through creation and manipulation of spreadsheet to forward model an example of exponential decay—the number of remaining unpopped kernels of popcorn in a bag of popping popcorn.

Lake Level Changes in the Arid West part of Quantitative Skills:Activity Collection
Students use the modeling program STELLA to see what combinations of runoff and evaporation might have lead to Pleistocene lake level oscillations in California's Owens River system.