1) continental drift a) hand-held device with a magnetic needle used to find magnetic north. b) an instrument that measures the magnetic field intensity. c) process by which something takes place. d) arly 20th century hypothesis, made by Alfred Wegener, that the continents move about on Earth's surface. 2) mechanism a) hand-held device with a magnetic needle used to find magnetic north. b) an instrument that measures the magnetic field intensity. c) process by which something takes place. d) arly 20th century hypothesis, made by Alfred Wegener, that the continents move about on Earth's surface. 3) magnetometer a) hand-held device with a magnetic needle used to find magnetic north. b) an instrument that measures the magnetic field intensity. c) process by which something takes place. d) arly 20th century hypothesis, made by Alfred Wegener, that the continents move about on Earth's surface. 4) compass a) hand-held device with a magnetic needle used to find magnetic north. b) arly 20th century hypothesis, made by Alfred Wegener, that the continents move about on Earth's surface. c) process by which something takes place. d) an instrument that measures the magnetic field intensity. 5) magnetic field a) a field produced by a magnetic object that exerts a force on other magnetic materials or moving electrical charges. b) rock that originates in a volcano or volcanic feature, formed from lava or magma. c) process by which something takes place. d) a magnetic mineral that takes on Earth's magnetic polarity as it crystallizes. 6) rocks a) a field produced by a magnetic object that exerts a force on other magnetic materials or moving electrical charges. b) a solid mixture of minerals or mineral grains; a few types of rocks are made from materials that are not minerals. c) process by which something takes place. d) a magnetic mineral that takes on Earth's magnetic polarity as it crystallizes. 7) lava a) a field produced by a magnetic object that exerts a force on other magnetic materials or moving electrical charges. b) a solid mixture of minerals or mineral grains; a few types of rocks are made from materials that are not minerals. c) molten rock that has reached the Earth's surface. d) a magnetic mineral that takes on Earth's magnetic polarity as it crystallizes. 8) magnetite a) a field produced by a magnetic object that exerts a force on other magnetic materials or moving electrical charges. b) a solid mixture of minerals or mineral grains; a few types of rocks are made from materials that are not minerals. c) molten rock that has reached the Earth's surface. d) a magnetic mineral that takes on Earth's magnetic polarity as it crystallizes. 9) magnetometer a) is a device capable of measuring the magnetic field. b) a solid mixture of minerals or mineral grains; a few types of rocks are made from materials that are not minerals. c) molten rock that has reached the Earth's surface. d) a magnetic mineral that takes on Earth's magnetic polarity as it crystallizes. 10) volcanic rocks a) is a device capable of measuring the magnetic field. b) a solid mixture of minerals or mineral grains; a few types of rocks are made from materials that are not minerals. c) rock that originates in a volcano or volcanic feature, formed from lava or magma. d) a magnetic mineral that takes on Earth's magnetic polarity as it crystallizes.

Magnetic Polarity Evidence for Continental Drift

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