Pool tables, shower tiles, and pizza stones all have something in common--they are all made with metamorphic rocks! But what do you know about these rocks? Dig deep below Earth's surface to… More →
Grade 6
781 records found. Displaying 409 - 420.
Metamorphic rocks form deep below EarthХs surface. Over thousands of years, they make their way to the surface. Then they are collected for use as building materials, sharpened tools, and… More →
Meteors, Asteroids, and Comets
Rocks are some of the many objects floating through space. Explore meteors, asteroids, and comets with content tied to the curriculum of upper-elementary and middle school students and… More →
Soldiers regularly put themselves in harm's way to promote peace and protect freedom. This means they have great appreciation for their robotic stand-ins-- PackBots. The remote-controlled… More →
World War I neared its end in 1918, but another kind of devistation soon replaced the horrors of the battlefield. A deadly virus quickly spread, killing millions of people by the end of 1920. More →
NASA sent astronauts safely into space for many years. Then, their missions were put on hold after a shuttle exploded at launch, killing all the astronauts on board. Despite their best… More →
Mission: Special Ops
Series of 6 titles
From pararescue jumpers deep in the jungles of Burma to risky underwater rescue missions by Navy SEALs, the Special Operations Forces of the United States Military have a common goal--to save More →


