Geologic Puzzles: Morrison Formation part of 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.

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

Constructing Phylogenetic Trees: The Whippo Story part of Examples
An interactive lecture in which students use data on feeding habits and habitat, skeletons, and DNA sequences to draw phylogenetic trees.

Social Class Symbols: In-class Activity Game part of Examples
This sites provides three interactive games related to social class and personal possessions indicative of class.

Do You See What I See: Using Optical and Visual Illusions to Illustrate Perception part of Examples
An in-class demonstration of perception and individual perceptual differences, using optical illusions and visuals.

Rivers: Short In-class Activity part of 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.

Models of the Hydrogen Atom part of Examples
In this interactive lecture, models of the hydrogen atom are explored using an online Java applet. The exploration leads to qualitative and quantitative analysis of energy transitions.

Science on a Skateboard - Applications of Newton's Third Law part of Examples
A think, pair, share activity with Socratic questioning to help students begin to understand rocket propulsion.

Concept Questions for the Photoelectric Effect with Interactive Simulation part of Examples
These are interactive lecture-demonstration questions probe student understanding of fundamental concepts in the photoelectric effect.

Measuring voltage and current in a DC circuit part of Examples
These exercises target student misconceptions about how to properly measure voltage and current in simple DC circuits by letting them investigate different meter arrangements without fear of damaging equipment. These activities also are designed to lead to other investigations about simple DC circuits.