How Were the First Mountains and Valleys Formed?
How Were the First Mountains and Valleys Formed? The first mountains and valleys were the crust formed as a result of the cooling of the molten mass of the earth. As...
Read MoreHow Were the First Mountains and Valleys Formed? The first mountains and valleys were the crust formed as a result of the cooling of the molten mass of the earth. As...
Read MoreWhat Is a Meteorite? Meteorites begin as bodies of matter traveling at great speed through space. In the solar system there are numberless such bodies, usually chunks...
Read MoreSalt comes from lakes, wells, underground mines, and from the sea. Most of the salt that we sprinkle on our food is mined from thick salt beds, or large layers, deep in...
Read MoreWhat Causes Volcanoes? Volcanoes form when pressures within the earth force melted rock and gases upward through cracks in the surface. The earth’s crust is made...
Read MoreWhat Causes Earthquakes? Earthquakes happen when two large pieces of the Earth’s crust suddenly slip. This causes shock waves to shake the surface of the Earth in...
Read More