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Using Popcorn to Simulate Radioactive Decay part of Quantitative Skills:Activity Collection
Popping popcorn in your class is an excellent way to illustrate both the spontaneity and irreversible change associated with radioactive decay. It helps students to understand the unpredictability of decay.

Subject: Geoscience:Geology:Historical Geology, Geochemistry:Radioisotopes

M&M Model for Radioactive Decay part of Quantitative Skills:Activity Collection
A tasty in-class demonstration of radioactive decay using two colors of M&M's. Illustrates the quantitative concepts of probability and exponential decay. This activity is appropriate for small classes (<40 students).

Subject: Geoscience:Geology:Historical Geology

The nature of volcanism as controlled by viscosity part of Cutting Edge:Courses:Petrology:Teaching Examples
This activity is fun to include in a classroom. This activity has the students design demonstrations using ketchup and peanut butter to document how viscosity differences between rhyolite and basalt control various ...

Subject: Geoscience:Geology:Igneous and Metamorphic Petrology:Igneous Processes, Volcanology

We Buy Anything: an in-class activity demonstrating the Fed's response to the financial crisis of 2008 part of Starting Point: Teaching and Learning Economics:Starting Point: Economics in Two-Year Colleges:Activities
This role-playing activity engages students and underscores how quickly and dramatically the Federal Reserve System responded to the financial crisis of 2008.

Subject: Economics:Macro policy, Economics

Understanding the Term Auction Facility: an in-class activity part of Starting Point: Teaching and Learning Economics:Starting Point: Economics in Two-Year Colleges:Activities
This activity introduces students to the Federal Reserve's Term Auction Facility in order to understand how and why the Fed undertook alternative policies of monetary control in response to the Financial Crisis of 2007 2008.

Subject: Economics, Macro policy

Seasons part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
While working in groups to facilitate peer tutoring, students manipulate a hands-on, physical model to better comprehend the Earth's position in space, the Earth's rotation axis and seasons.

Subject: Geoscience:Lunar and Planetary Science, Physics:Astronomy:Solar System

Tree Ring Model part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
While working in groups to facilitate peer tutoring, students manipulate a hands-on, physical model to better comprehend the natural variations of tree-ring width and their uses for determining past climatic ...

Subject: Biology:Ecology

Membranes and Cell Structure part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
A one page assignment that uses online tutorials to give students a first exposure to the components of a cell and membrane.

Subject: Biology

Why is Chlorophyll Green? part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
This is an out of class exercise that allows students to explore biological molecules that contain heme like molecules with metals bound in them. The properties of these molecules give them different colors and functions, but all are related evolutionarily.

Subject: Biology

Obesity Epidemic part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
A one page activity that takes students to several websites related to the obesity epidemic. First they can calculate BMI, then learn about national trends in the rate of obesity and finally use a tutorial on insulin and diabetes.

Subject: Health Sciences