GEOLogic: The Big Five Mass Extinctions part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to match up the five largest mass extinction events with their relative dates, approximate duration, and severity (percentage of species that became extinct) based on clues given from various perspectives.

GEOLogic: Lagerstatten and Unique Fossils part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to match up several unique fossils with the site and location where it was found and it's geologic age.

GEO-Logic: Stream Discharge Rates - Rappahannock River Station part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to convert measurements in cubic feet per hour (cfh) to cubic feet per second (cfs) and then match up the names of the researchers measuring the flows at the river station with the correct flow rate and the year in which it was taken. There is also a second part in which students must graph the different flow rates with time and then answer questions by interpreting the information in the graph.

GEOLogic: Volcanologists part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
students are asked to resolve how many days each of 5 volcanologists spent at a volcano and what day they started for the volcano. There is also a second part where students are asked to do some additional research about volcanoes on the web.

GEOLogic: The Three Stooges and Their Pet Dinosaurs part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to match up each of the Stooges with their favorite group and species of dinosaur based on clues given from different perspectives.

GEOLogic: Terrestrial and Jovian Planets part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
In this two-part example, students are given clues about properties about the terrestrial and Jovian planets respectively and asked to match up the planet with the correct equatorial radius, mean orbital velocity, and period of rotation.

GEO-Logic: Continental Drift and Plate Tectonics part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to match up lecturers with what day and time they teach, and how many students they have based on clues given from several different perspectives. In the second part of the activity, students are asked to learn more about the historic figures mentioned in the activity by doing reading and web research.

Question of the Day: ANWR Drilling Policy part of Quantitative Skills:Activity Collection
Question of the Day developed by William Prothero, University of California, Santa Barbara.
Students analyze the interplay between science and politics on the issue of drilling for oil in the Arctic National Wildlife Refuge.

GEOLogic: Dinosaur Trackways part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students must associate different dinosaur trackways with their locations and the rock formations containing the trackways based on clues given from various points of view.

GEO-Logic: How Much of the State is Wet part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
students are asked to match up students with their home state, and their states with the area and percentage of area of surface water that they contain, as well as where each of the states rank nationally in terms of water area.