Plate Tectonics

Match the following

• Internal structure of the earth

• Movement of tectonic plates relative to each other

• Tectonic plates

• The crust and uppermost solid part of the mantle

• Asthenosphere

• Pieces of rock that make up the lithosphere

• Lithosphere

• Layered structure consisting of core, mantle, crust

• Plate movement

• Semi-solid upper mantle that lies below the lithosphere

Match the following

• divergent plate boundaries

• Where plates slide past each other

• convection currents

• Gravitational force that causes a denser oceanic plate to sink further into the mantle under its own weights

• transform plate boundaries

• Where plates move away from each other

• convergent plate boundaries

• Where plates move towards each other

• slab-pull force

• Currents of heat within the hot softened mantle below the crust, generated by the heat from the Earth's core, which drives tectonic plate movements

Match the following

• Geographic south

• an oceanic plate colliding and descending beneath another less dense tectonic plate

• Normal Polarity

• when the earth's magnetic north points towards geographic North and magnetic South points towards the geographic south

• Reverse Polarity

• Direction towards the fixed point on Earth called the south pole

• subduction

• When the earth's magnetic north points towards geographic South and magnetic South point towards geographic North

• Geographic north

• Direction towards the fixed point on Earth called the north pole

Match the following

• fold mountain

• Linear lowland region with steep sides

• rift valley

• a fracture along which the blocks of crust on either side have moved relative to one another

• fault

• Landform created when lava erupts onto the Earth's surface

• earthquake

• Mountains that are formed due to two converging plates that cause the earth's layers to fold

• volcano

• shaking of the ground due to the sudden release of energy when two plates suddenly slip past each other

Mid-Atlantic Ridge: 0ceanic-oceanic ____________ plate boundary

Rift Valley: ___________-Continental Divergent Plate Boundary

Mariana Trench: Oceanic-oceanic ________ plate boundary

______ mountains: Continental-continental convergent plate boundary

Peru-Chile trench, Volcanoes, Fold mountains, Earthquakes: Oceanic-___________ convergent plate boundary