Introduction to Plate Tectonics

A fault in which two blocks of crust slide past each other on the same plane. The motion experienced is right or left lateral instead of up and down.

• Normal Fault

• Reverse Fault

• Fault Scarp

• Strike Slip Fault

A tectonic plate consists of _________.

• The oceanic and continental crust only.

• The continents only.

• The asthenosphere only

• The crust and the uppermost mantle

Why do tectonic plates move?

• Due to active volcanism and earthquakes.

• Due to current convection in the mantle.

• Due to Earth’s gravitational force.

• Due to Earth’s rotation.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

How many major plates are there on Earth's surface?

• 15

• 8

• 7

• I don't know.

Tags

NGSS.MS-ESS2-3

Which of these is a TRUE statement about lithospheric plates?

• Composed of minor and major blocks called the crust.

• Include the crust and upper mantle.

• The thickest and most flexible layer of the Earth that can be broken because of tension.

• All of the statements are true.

It is a jelly-like structure located on the uppermost part of the mantle where plates float.

• Asthenosphere

• Lithosphere

• Outer core

• Mantle

According to the Theory of Harry Hess, continents move because of _________

• the molten material within the Earth.

• the shaking of grounds.

• the climate change that continuously happening on

  Earth.

• the unbalanced force exerted in the innermost layer of the Earth.

Tags

NGSS.MS-ESS2-3

Oceanic crust is on average how thick?

• 40-70 km

• 2900 km

• 5-10 km

• 2700 km

Why did Christopher Scotese change the term he used to describe his prediction of Pangaea Ultima?

• because he believed that the Earth is continuously undergoing changes through the movement of the mantle because of the force exerted.

• because he believed that the plates on Earth would stop moving and changing after 250 million years.

• because he believed that continents on the Earth surface are in constant motion.

• because he believed that plates on the surface of the Earth would remain the same after 250 million years.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Which of the following plates does NOT belong to the group?

• Philippine Plate

• Arabian Plate

• African Plate

• Cocos Plate