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An active volcano in Antarctica? No way!

In this podcast, Eric Muller, science educator for the Exploratorium Teacher Institute in San Francisco, California provides a hands-on, "feet-on" way of teaching about volcanoes and the layers of the Earth. Students draw a scale model of the Earth on a ground with a piece of chalk.

What is the environmental impact of summer vacations?

How much thought have you given to the environmental impact of your summer vacation plans and those of everyone else you'll meet there? What kind of carbon emissions are you emitting as you jet to your destination? What about that four-wheel drive vehicle you'll rent? And the convenience meals with their excess packaging you'll eat a greater proportion of?

Did it sneak up on you again this year? Kidding aside, Richter Scale Day is April 26, the birthday of Charles Richter (1900-1985), inventor of the Richter scale. Most middle school science curricula include earth science studies in plate tectonics and its related phenomena, including earthquakes. Catastrophic events, such as the recent Italian earthquake, provide teachable moments. What better time to integrate a study of the Richter scale technology with science content?

You didn't miss Richter Scale Day, did you?

This article from NSTA's middle level science journal looks at the new Framework for K-12 Science Education and provides an explanation of the scientific practice of explanation and argumentation.

"This week, we're looking back at the school year and collecting the lessons we published by subject area. On Tuesday, we published our social studies, history, geography and civics collection; Thursday, look for English language arts, fine arts and journalism. Below, you'll find everything we did that falls into the categories of science, math, health and technology. And if you want even more lessons in these subject areas, you might take a look at our 2010 and 2011 collections as well."

This wiki page provides links to all the Math and Science Explore in Depth wiki pages. Explore in Depth pages provide context to exemplary online math and science resources.