Plate Techtonics

Question 1

Structure of the earth

Answer 1

Crust, mantle ,core

Question 2

What is all continents togeather called

Answer 2

Pangea

Question 3

Major plate boundaries?

Answer 3

North american plate, Cocos plate, pacific plate,Nazca plate, juan de fuca plate, south american plate, african plate, Eurasian plate, indian and australian plate.

Question 4

Epicentre

Answer 4

The point on ground above where an earthquake happens is called the epicentre

Question 5

What is focus ?

Answer 5

The point along the fault line in the crust where an earthquake happens is the focus

Question 6

Richter scale

Answer 6

Measures the strength of the earthquake

Question 7

Mercali scale

Answer 7

Measures the impacts of the earthquake

Question 8

Major volcanic hazards

Answer 8

Acid rain,ash fall, lahar , pyroclastic flow, lava dom, lava bombs ,eruption cloud, eathquakes and landslides

Question 9

Lava Flows ?

Answer 9

Lava flows are hot molten magma that can reach 30mph and also destroy everthing in it’s path

Question 10

Pyroclastic flow

Answer 10

Pyroclastic flow is very fast moving hot ash and rock that can reach upto 350mph and can burn everything moving in it’s path

Question 11

Volcanic ash

Answer 11

Volcanic ash is the ash that’s formed after an explosion, which is hot and can damage everthing

Question 12

Volcanic bombs

Answer 12

Volcanic bombs are hot,very thick molten rocks larger than 64mm diameter thrown out of a volcano

Question 13

Lahars

Answer 13

Lahars are very violent mudflows or landslides mixed with ash,rock and water flowing of the side of the volcano

Question 14

What is a supervolcano

Answer 14

A supervolcano is 1000x bigger than a regular volcano that has the potential to produce an eruption with major consequence on the global climate and ecosystem