In-classroom Pumping Test part of Hydrogeology:Activities
David Becker, University of Nebraska at Omaha
Students conduct a pumping test in a sand-filled basin or tank in the classroom with either a siphon drain or small fountain pump. Drawdown is measured in small piezometers and students analyze the data to ...

How Many Is A Million? part of Rates and Time:Visualizations with Teaching Notes
Roger Steinberg, Del Mar College
Roger Steinberg, Department of Natural Sciences, Del Mar College 5000 Dots by Computer (Click image to enlarge and download.)

Thermohaline Circulation Demonstration part of Oceanography:Activities
Cynthia Venn, Bloomsburg University of Pennsylvania
This activity helps the students to visualize the effects of temperature and salinity on water density, and the resulting thermohaline circulation. Important processes visualized in this demonstration are ...

Sonar Demonstration -- Human Sound Wave part of Oceanography:Activities
Kent Syverson, University of Wisconsin-Eau Claire
Sonar technology allowed scientists to produce high-resolution maps of the sea floor for the first time. This sonar demonstration uses a Human Sound Wave to image the "sea floor" in a lecture hall. In ...

Weathering Experiment part of Introductory Courses:Activities
Pete Stelling, Western Washington University
This project has students dirty several dishes equally and design experiments to determine which analogs of geologic processes are most efficient for removing the baked-on food. Students calculate rates of ...

Systems Geobiology Powers of 10 part of Complex Systems:Teaching Activities
Bruce Fouke, University of Illinois at Urbana-Champaign
Systems Geobiology is the study of complex interactions arising from the interplay of biological, geological, physical, chemical and even social systems across multiple spatial (microns to thousands of kilometers) ...

Metacognition Training through Think-Aloud Pair Problem Solving [TAPPS]: Two Lessons about Rivers part of Metacognition:Activities
Ronald Narode, Portland State University
Attached is a description of how to use "Think-aloud Pair Problem Solving" in a classroom. It is followed with two lesson plans on the topic of rivers.

Crystallization and Melting of Diopside - Anorthite part of Mineralogy:Activities
Dexter Perkins, University of North Dakota-Main Campus
This short exercise introduces students to the binary phase diagram in the diopside-anorthite system that contains a eutectic invariant point.

ConcepTests part of Teaching Methods:ConcepTests
David McConnell, North Carolina State University
ConcepTests are conceptual multiple-choice questions that focus on one key concept of an instructor's learning goals for a lesson. When coupled with student interaction through peer instruction, ConcepTests represent a rapid method of formative assessment of student understanding.

ConcepTest: Box Modelling: Fluxes & Turnover Times part of Teaching Methods:ConcepTests:Examples
Which of the following is true of the simplified ocean-atmosphere water cycle depicted in the box model below? A. There is a net flux of water from ocean to atmosphere. B. There is a net flux of water from ...