Earthquakes are awe-inspiring. But the destruction, confusion, and injury associated with them often overshadow important classroom discussion about how these phenomena actually occur. By understanding what causes earthquakes, children can think critically about ways that scientists can work to prevent future damage from natural disasters. In this activity your class will build and explore a […]
A massive circular rock formation marks the desert in Mauritania like a target—it’s the “Eye of the Sahara.” Easier seen from above than from the ground, the Richat Structure (or Guelb er Richat), as it’s formally known, has long been a landmark for space crews returning to earth, indicating that they’d soon be approaching their […]