Social Science

See a map of recent earthquakes in the United States, and learn why earthquakes happen so frequently on the West Coast.

What happens to sandy or fine-grained soils when an earthquake shakes them up? Try this simple activity to find out.

What goes on under the ground during an earthquake? Use a Slinky to model the various seismic waves that make the earth tremble.

The earth moves in mysterious ways

The common ground between pickles, cheese, bread, wine, and many other foods.