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Geologic Puzzles: Morrison Formation part of Interactive Lectures:Examples

Images of faulted strata, tilted turbidites, and beach rocks bring the field into the classroom, giving students practice in doing what geoscientists do. These images are examples of geologic puzzles.

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Carbon Dioxide Exercise part of Interactive Lectures:Examples

Students work in groups, plotting carbon dioxide concentrations over time on overheads and estimating the rate of change over five years.

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How Fast Do Materials Weather? part of Interactive Lectures:Examples

A think-pair-share activity in which students calculate weathering rates from tombstone weathering data.

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Constructing Phylogenetic Trees: The Whippo Story part of Interactive Lectures:Examples

An interactive lecture in which students use data on feeding habits and habitat, skeletons, and DNA sequences to draw phylogenetic trees.

Magma Viscosity Demos part of Interactive Lectures:Examples

This is an interactive lecture where students answer questions about demonstrations shown in several movie files. They learn to connect what they have learned about molecules, phases of matter, silicate crystal structures, and igneous rock classification with magma viscosity, and to connect magma viscosity with volcano explosiveness and morphology.

Rivers: Short In-class Activity part of Interactive Lectures:Examples

Images of the James River in Virginia, including one at flood stage, and of potholes, all of which can be used to have the students make observations, estimates, and interpretations.

Describe and Interpret Images: Folded Strata part of Interactive Lectures:Examples

In class, have students make a simple sketch of an outcrop shown in a slide (or computer projection) then discuss possible interpretations.

Effect of Initial Value on Graph of Exponential Function (C>0) part of Interactive Lectures:Examples

This classroom activity presents College Algebra students with a ConcepTest and a Question of the Day activity concerning the effect of the initial value, C, on the y-intercept and position of an exponential function where C>0 and k is an arbitrarily fixed value in f(x)=Ce^(kx).

Effect of Coefficient of x^0 on Parabola Vertex part of Interactive Lectures:Examples

This classroom activity presents College Algebra students with a ConcepTest, a Question of the Day, and a Write-pair-share activity concerning the effect of the coefficient of x^0 (i.e., the constant, c) on the vertex of a parabola where a and b are arbitrarily fixed values in f(x)=ax^2+bx+c.

Effect of Initial Value on Graph of Exponential Function (C < 0) part of Interactive Lectures:Examples

This classroom activity presents College Algebra students with a ConcepTest and a Question of the Day activity concerning the effect of the initial value, C, on the y-intercept and position of an exponential function where C<0 and k is an arbitrarily fixed value in f(x)=Ce^(kx