TWIG Volcanic Eruption Unit Week 2 Vocab

What is the definition of 'Convergent Plate Boundary'?

• A) The point where two plates move apart.

• B) The point where two plates collide.

• C) The thin outer shell of the Earth.

Answer explanation

A convergent plate boundary is defined as the point where two tectonic plates collide. This interaction can lead to various geological phenomena, such as earthquakes and the formation of mountains, making option B the correct choice.

Tags

NGSS.MS-ESS2-2

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Match the following geological terms with their definitions.

• Hotspot

• 
• Deformation

• 
• Rift Valley

• 

Answer explanation

Deformation refers to the process where a force alters the size or shape of a rock, making option A the correct choice. Options B and C describe geological features but do not define deformation.

Tags

NGSS.MS-ESS1-4

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A 'Divergent Plate Boundary' is defined as the point where two plates (a)   .

• A) move apart.
• B) collide.
• C) meet and one plate sinks below t

Answer explanation

A divergent plate boundary is defined as the point where two tectonic plates move apart, allowing magma to rise and create new crust. This is correctly described by option A.

Tags

NGSS.MS-ESS2-3

What is 'Earth's Crust'?

• A) The thin outer shell of the Earth.

• B) The part of the Earth's interior between the crust and the central core.

• C) A piece of the Earth's crust that sits on and moves over the Earth's mantle.

Answer explanation

The Earth's crust is defined as the thin outer shell of the Earth, making option A the correct choice. It is the layer we live on, distinct from the deeper layers like the mantle and core.

Tags

NGSS.MS-ESS2-1

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What is 'Earth's Mantle'?

• A) The thin outer shell of the Earth.

• B) The part of the Earth's interior between the crust and the central core.

• C) A volcanic region where magma from a mantle plume has caused the Earth's crust to melt and thin.

Answer explanation

The Earth's Mantle is the layer located between the crust and the core, making option B the correct choice. It is a thick layer composed of semi-solid rock, crucial for tectonic activity.

What is a 'Plate Boundary'?

• A) A piece of the Earth's crust that sits on and moves over the Earth's mantle.

• B) The point where two plates collide.

• C) The process of a force changing the size or shape of a rock.

Answer explanation

A 'Plate Boundary' refers to the edges where tectonic plates meet. Choice A correctly describes a tectonic plate as a piece of the Earth's crust that moves over the mantle, while B describes a specific interaction at the boundary.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is 'Seafloor Spreading'?

• A) The process whereby the Earth's crust cracks open as a result of two oceanic plates diverging.

• B) The process in which two tectonic plates meet and one plate sinks below the other.

• C) An area of high heat flow in the mantle, which produces magma that feeds hot spots.

Answer explanation

Seafloor spreading occurs when two oceanic plates diverge, causing the Earth's crust to crack open and create new oceanic crust as magma rises. This process is accurately described in choice A.

Tags

NGSS.MS-ESS2-3

What is 'Subduction'?

• A) The process in which two tectonic plates meet and one plate sinks below the other.

• B) The point where two plates move apart.

• C) A valley formed when two continental plates diverge.

Answer explanation

Subduction is the geological process where two tectonic plates converge, and one plate is forced beneath the other into the mantle. This is accurately described in choice A, making it the correct answer.

Tags

NGSS.MS-ESS2-2

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A 'Transform Plate Boundary' is the point where two plates (a)   each other.

• slide past
• collide
• diverge

Answer explanation

A 'Transform Plate Boundary' is where two tectonic plates slide past each other horizontally. This movement can cause earthquakes, making option A the correct choice, while options B and C describe different types of plate boundaries.

Tags

NGSS.MS-ESS2-3