Search Header Logo

The Mantle convection theory

Authored by Iam Olam

Arts

2nd Grade

Used 2+ times

The Mantle convection theory
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The innermost layer of the Earth.

Mantle

Core

Crust

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The thick middle layer of the Earth.

Mantle

Core

Crust

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

It is a large sections of the Earth's crust that move over the mantle.

Vocanoes

Plates

Earthquake

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Openings in Earth's crust that allow magma.

Mountain

Volcanoe

Volcanoes

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does density play at subduction zones in mantle convection?

The mantle behaves like a viscous fluid over long timescales, and the process of convection transfers heat efficiently from the deep Earth to the surface.

At subduction zones, dense, cold oceanic plates sink back into the mantle because they are heavier than the surrounding hotter, less dense mantle material.

Mantle convection is a driving force behind the movement of tectonic plates. The currents in the mantle cause plates to move, collide, and separate, resulting in earthquakes, volcanic activity, and mountain formation.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the difference in density drive mantle convection?

In mantle convection, hot mantle material becomes less dense as it heats up, causing it to rise towards the Earth's surface. As it cools near the surface, it becomes denser and sinks back down.

The Earth's mantle is heated from below by the core, which causes the lower mantle material to become hot and less dense.

Mantle convection is a driving force behind the movement of tectonic plates. The currents in the mantle cause plates to move, collide, and separate, resulting in earthquakes, volcanic activity, and mountain formation.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is mantle convection?

Mantle convection is a driving force behind plate tectonics. The convection currents in the mantle move tectonic plates, causing them to converge, diverge, and slide past each other at plate boundaries.

The primary sources of heat driving mantle convection are radioactive decay of elements like uranium, thorium, and potassium, as well as primordial heat left over from the formation of the Earth.

Mantle convection refers to the slow, circular movement of the Earth's mantle due to heat transfer. Hot material from deep within the Earth rises towards the surface, cools, and then sinks back down, creating convection currents that drive the movement of tectonic plates.

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?