1.19 - Too Hot To Handle

Question 1

Thermal plumes

Answer 1

Area of mantle where heat rises
high heat and low pressure at base of lithosphere
Results in rock melting

Question 2

Active volcano hotspots

Answer 2

Formed and then move away
Tectonic plates move over stationary hotspots
40-50 around the world (Hawaii/Yellowstone)

Question 3

Spectacular landforms

Answer 3

Atolls - island ring of reefs
Volcanic islands
Seamounts - underwater mountains
Successive ocean volcanoes - move away from hotspot