How many faces do you see?

Seating plan…

My Desk

The d

oor

Rules and Expectations

• 1. Respect each other, the teacher and the

room

• 2. Listen when other people are speaking.

• 3. Do not speak when the teacher is

addressing the class.

• 4. Do not graffiti your books or text books

• 5. And most importantly, try your best and you

will succeed

Connect: Recap Quiz!

Last term you started your first GCSE

module:

The Restless Earth

You have 5 minutes to complete the recap

quiz to see how much you remember!

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Back to Clock Home

Swap your quiz with your partner to

check your answers…(max 14 marks!)

1. Crust, Mantle, Inner Core, Outer Core (1 mark for each)

2. Solid

3. A Peach

4. Pangaea (1 mark for identification, 1 extra mark for correct spelling!)

5. Oceanic and Continental (1 mark for each)

6. Oceanic crust is more dense.

7. The boundary on which the earths crust is split up

8. The current within the earths mantle (1 mark) which causes the earth’s plates to move (1 mark)

Big Picture: What landforms are

found at different plate boundaries?

Know what is a fold mountain and an ocean

trench.

Be able to describe and explain the main

characteristics of these features.

Create a representation of these features.

Activate: There are 3 main types

of plate margins.

Read the description and match

it up to the diagram you think

best illustrates the plate

movement.

Extension: Use the information to write

definitions for the key terms.

Collision Plate Margin

When continental plates meet continental plates neither can subduct the other

because they both have the same density. The plates are being forced together

at great pressure so the rocks crumble together and form massive mountain

chains like the Himalayas. The Himalayas are still growing today as the plates

continue to be pushed together at about 1 or 2cm a year!

The Himalayas are an example of fold mountains, where the rocks are

colliding and folding together to form mountains. The Earth’s crust is thickest at

this point (70km thick)

Demonstrate:

1. Use the information about Fold Mountains to create

a representation of how they form using the play dough.

2. Use your representation as a visual tool to help you

label your diagram:

Include the following labels:

-Fold Mountains

-Collision plate margin

-Mountain range

-Continental crust

-Oceanic crust-Subduction

-Collision (pushed together)

-Same density

Oceanic crust is denser (heavier) than continental crust so the continental crust

forces the oceanic crust underneath it. This is a process called subduction.

At the subduction zone a deep sea trench is formed where the plate is being

forced downwards under the continental plate. When the oceanic crust begins

to melt as it goes down into the hot mantle it starts to float back up, because it

is made up of lighter material than the mantle. This means that the magma

erupts back to the surface creating volcanoes.

Destructive Plate Margin

Demonstrate: 1. Use the information about Fold Mountains to

create a representation of how they form using

the play dough.

2. Use your representation as a visual tool to help

you annotate your diagram:

Include the following labels:

-Ocean Trench

-Destructive plate margin

-Oceanic Crust

-Continental Plate

-Subduction Zone

-Collision (pushed together)

-Denser crust (heavier crust)

World Map of Fold Mountains and

Ocean Trenches

1. How are fold mountains formed? Collision boundary – two continental plates

crashing into each other forces material between them to compact into mountains

2. Give an example of a range of fold mountains

Himalayas – South Asia 3. On what type of plate boundary do ocean

trenches occur? Destructive (subduction) – oceanic and continental

crusts crash into each other, and oceanic (densest/heaviest) sinks, leaving deep ocean trench

Reflect: What have we learned?