SCIENCE Q1-Q4

• Plate tectonic theory - is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates which have been slowly moving since about 3.4 billion years ago
• Alfred Wegener - known as the Father of Plate Tectonics; proposed the continental drift theory.
• Raisin Theory - theory that states that the Earth like a grape contracted into a raisin due to cooling process occurred on the Earth after a big bang about 13.77 billion years ago.
• Raisin Theory - idea proposed by James Hall in the 20th century
• 2 types of crust: oceanic crust and continental crust
• Plates - massive, irregular stabs of solid rock that envelope the surface of the earth
• Isostacy - proposed by Clarence Edward Dutton in 1889, idea that the earth is a giant ball of isostatic equilibrium.
• Super continent - PANGEA
• Earthquakes - are forms of wave energy that are transmitted through bedrock
• Origin of earthquake - hypocenter
• Point above the hypocenter - epicenter