Paper 1 Key Terms

Question 1

Precipitation

Answer 1

Rainfall

Question 2

Asthenosphere

Answer 2

The upper layer of the earths mantle, below the lithosphere. Made up of semi molten rock called magma.

Question 3

Composite volcano

Answer 3

Found on the plate margin where the oceanic crust sinks beneath the continental crust. They have…

• Acidic, viscous lava
• steep sides as lava doesn’t flow far before solidifying
• alternate layers of ash and lava
• violent eruptions
• longer periods between eruptions.

Question 4

Shield volcanoes

Answer 4

Found on the plate margins where plates move away from eachother

• basic lava (non acidic, very runny)
• gentle sides (lava flows for long distances before cooling)
• no layers (volcano j consists of lava)
• less violent eruptions
• shorter periods between eruptions

Question 5

Conservative

Answer 5

Two plates moving sideways past each other, or in the same direction at different speeds. Crust isn’t created or destroyed but it gives earthquakes.

Question 6

Dissipates

Answer 6

To disappear

Question 7

Divergent

Answer 7

Two plates moving away from each other