(Encyclopedia) brownstone, red to brown variety of sandstone. Its unusual color is caused in some instances by the presence of red iron oxide which acts as a cement, binding the sand grains together…
(Encyclopedia) zorilla, small, carnivorous, nocturnal mammal, Ictonyx striatus, of the weasel family, found in dry regions of Africa. It is also called striped weasel and striped polecat. Although it…
Grinchy Trivia Compare the holiday movie, TV, and Dr. Seuss creations by Holly Hartman The Silver-Screen Grinch The live-action movie How the Grinch Stole Christmas features more than…
ATMOSPHEREOCEANSLANDICE AND SNOWEARTH SCIENCESTUDY TECHNIQUESBIOSPHEREAXISFIND OUT MOREThe rocky ball that forms our world is one of nine planets in the Solar System. Earth is a sphere, with a…
COASTAL EROSIONSEA-LEVEL CHANGEFIND OUT MORECoasts, which form the boundary between land and ocean, receive a constant battering from the wind and waves. In calm weather, the water merely…
DEPOSITIONFIND OUT MOREThe rocky material that is transported and DEPOSITED by rivers, seas, glaciers, and the wind is called sediment. Clay, sand, and gravel are all types of sediment.…
WHAT IS THE TEMPERATURE ON MERCURY? WHAT IS MERCURY’S SURFACE LIKE? FIND OUT MOREA rocky sphere, with a huge iron core, Mercury is the closest planet to the Sun. It can sometimes be glimpsed from…
HOW DO WAVES CHANGE COASTAL LANDSCAPES? TIDESFIND OUT MORECoasts are border zones where the land meets the ocean. There is about 312,000 miles (502,000 km) of coastline worldwide. TIDES, waves,…