Deep inside Earth, between the molten iron core and the thin crust at the surface, there is a solid body of rock called the mantle. When rock from the mantle […]
The current continental and oceanic plates include the following: The North American plate; The Caribbean plate; The South American plate; The Eurasian plate; The Australian-Indian plate; The Philippine plate; The […]
Continental Drift Theory says the Earth’s continents drift across the ocean bed relative to each other. It can be proved by geometric fit of the displaced continents and the similarity […]
Mineral and rock are different. Minerals are naturally occurring, inorganic, crystalline, solid materials with definite chemical composition, molecular structure, and certain physical properties. Meanwhile, rocks are composed of of minerals. The […]
An earthquake happens when two blocks of the earth suddenly slip past one another. The surface where they slip is called the “fault plane” (or simply “fault”). The location below […]
The Earth’s Geographic Poles are opposite to its Magnetic Poles. The Earth’s magnetic field is just like the one produced by a huge bar magnet at the center of […]
A chemical reaction can be expressed as an equation. A chemical equation shows the chemicals that react (the reactants) followed by an arrow followed by the chemicals that are produced by […]
