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Plate Tectonics

Test Description: Key points related to Plate Tectonics

Instructions: Answer all questions to get your test result.

1) The earth consists of an inner core which is

Aliquid and made of Iron and Nickel Bsolid and made of Iron and Nickel Csolid and made of Silicon and Oxygen Dliquid and made of Silicon and Oxygen

2) Earth's lithosphere is composed of the

Aupper mantle only Bcrust and upper mantle Ccrust only Dcontinental crust only

3) Earth's outer core is

Asolid and is made of silicon and oxygen Bliquid and is made of iron and nickel Csolid and is made of iron and oxygen Dliquid and is made of silicon and oxygen

4) upper part is plasticlike and is made of iron, magnesium, silicon, and oxygen

AEarth's crust BEarth's inner core CEarth's mantle DEarth's outer core

5) Earth's Oceanic Crust is

Amade of iron Bthicker, older and less dense than the continental crust Cgranitic in composition Dthinner, younger and denser than the continental crust

6) What is believed to move Earth's tectonic plates?

Aspecific elements Bconvection currents in the mantle Cvarious minerals Dconverging plates on the surface

7) How are oceanic crust and continental crust different?

AOceanic crust is made of granite and continental crust is made of basalt. BBoth oceanic crust and continental crust are made of basalt. COceanic crust is made of basalt and continental crust is made of granite. DBoth oceanic crust and continental crust are made of granite.

8) Along the center of a mid-ocean ridge is a

Arift zone Btrench Chot spot Dsubduction zone

9) What type of fold looks like a sink?

Aorgami fold Ba syncline Cmonocline Dan anticline

10) What type of mountain forms by high blocks of rocks faulting?

Afault-block mountain Bvolcanic mountain Ca hot spot Da high plateau

*select an answer for all questions

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