Plate tectonic and continental drift

What is the solid part of the earth?

• Lithosphere

• Hydrosphere

• Atmosphere

Who was the first scientist to develop a comprehensive theory of continental drift?

• Alfred Wegener

• Isaac Newton

• Charles Darwin

• Galileo Galilei

The continents were once a single supercontinent called _______ or all land.

• Pangea

• Gondwana

• Laurasia

• Atlantis

What confirmed Wegener’s theory of continental drift?

The word tectonic is derived from the Greek word tekton, which means _______.

• Builder

• Painter

• Sculptor

• Carpenter

What is the theory of plate tectonics? The theory of plate tectonics, the _______ is broken up into sections/pieces that _______ on top of the liquid mantle (asthenosphere).

• crust, move

• core, float

• mantle, sink

• lithosphere, drift

Sections/pieces of crust are called _______.

• plates

• layers

• segments

• blocks

What move the plates? _______ in the mantle move the plates.

• Convection currents

• Magnetic fields

• Ocean currents

• Wind patterns

What are the 7 Major Plates?

• Eurasian, African, Australian-Indian, North American, Pacific, Antarctic, and South American

• Eurasian, African, Australian-Indian, North American, Pacific, Antarctic, and Arabian

• Eurasian, African, Australian-Indian, North American, Pacific, Antarctic, and Nazca

• Eurasian, African, Australian-Indian, North American, Pacific, Antarctic, and Cocos

What are the two main types of plates?

• oceanic, continental

• tectonic, seismic

• continental, seismic

• oceanic, tectonic