Revision worksheet Year 9 Earth Science

Using the image reorder the following to match the 5 layers of the Earth

• 5

• Lower Mantle

• 2

• Outer Core

• 1

• Asthenosphere

• 3

• Crust

• 4

• Inner Core

Write a paragraph that explains how the mantle moves convection currents.

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The ​ (a)   is the semi-liquid, high ​ (b)   layer below the ​ (c)   .

• mantle
• temperature
• crust
• core
• pressure
• inner core

What key findings support Alfred Wegener's theory of continental drift?

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Explain the difference between continental-continental and continental-oceanic boundaries

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What are the three forces that have been proposed as the main drivers to explain the movement of tectonic plates?

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Explain the difference between S and P waves.

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Match the following

• Ridge push

• 
• Slab Pull

• 
• Convergent

• 
• Lateral sliding

• 
• Divergent

• 

What is the 'Ring of Fire' and how does the plate boundaries effect it?

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Which station was closest to the earthquake's epicenter?

• Station A

• Station B

• Station C