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Journal Article
The experts address the following question in this month’s column: The number 23, portrayed in a recent movie, seems to have an eerie number of life connections. Is there anything special about it?...
Journal Article
Safe Science: Using Ionizing Radiation—A Hot Opportunity
The Environmental Protection Agency (EPA) website dealing with education resources reported the results of an inspection, by an environmental engineer, that revealed radioactive materials in a Massachusetts high school. All sources were found within ...
Journal Article
Using A Digital Video Camera to Study Motion
To illustrate how a digital video camera can be used to analyze various types of motion, this simple activity analyzes the motion and measures the acceleration due to gravity of a basketball in free fall. Although many excellent commercially availabl...
Journal Article
Idea Bank: Interrogations on <em> Scientific American</em> Articles
The “Interrogation” approach requires students to read and take notes on assigned Scientific American articles to prepare for question-and-answer discussions (interrogations) based on the assigned articles. This activity helps students learn to...