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Review how much you already know about the internal layers of the Earth.
2.1 Structure and composition of the Earth
2.2 Lithosphere and plate tectonics
2.3 Internal energy of the Earth
Make a list of key words, create a concept map and write a summary.
Do some activities before you go to school.
4.1 The layers of the Earth
4.2 Lithosphere
4.3 Types of boundaries
4.4 The internal energy of the Earth
Will you be able to solve a challenge about the internal energy of the Earth?
Let’s find out.
1.
2.
3.
I will know
The internal thermal energy of the Earth can be seen in:
So far, you have seen quite a few things about the internal energy of the Earth. Now it’s time to show what you have learnt.
1. Convection currents in the mantle move very slowlyfast.
2. In convergentdivergent boundaries the denser plate descends under the other.
3. The separation between the two plates in a divergent boundary is called a plumerift.
4. In transform boundaries two plates move away fromslide past each other.
5. A plume is an ascendinga descending convection current in the mantle.
6. The EurasianPacific Plate is composed only of oceanic lithosphere.
The formation of a chain of volcanic islands.
A delta forming at the mouth of a river.
A tsunami generated on the ocean floor.
A geyser caused by very hot rock underground.
A glacial cirque.
Sand, pebbles and rocks on a beach.
Continental drift.
A hot spring.
Do you have any questions?
Is there anything you have doubts about?
Would you like to make a suggestion?
Don't forget to add some images to illustrate your answers.
We know that oceanic crust is made up of heavier minerals than continental crust. It is denser and thinner. Continental crust, on the other hand, is made of much lighter minerals and is substantially thicker.
Why are these two types of crust so different?
The internal thermal energy of the Earth can be seen in:
Summary. The internal energy of the Earth
Most of the internal energy of the Earth
The internal thermal energy can be seen
The Earth is made up
The continental crust
The oceanic crust
The mantle
The core
The outer core
The inner core
is liquid.
is mainly basalt.
in continental drift and mountain formation.
is mainly iron and nickel.
is solid.
of three layers.
is granitic.
comes from residual heat.
has convection currents.
, You have completed the lesson!
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