Restless Earth

Question 1

age of oceanic crust.

Answer 1

less than 200 million years old

Question 2

age of continental crust.

Answer 2

over 1500 million years

Question 3

Order of layers of the earth from middle.

Answer 3

Inner core, Outer core, mantle and crust

Question 4

thickness of crust.

Answer 4

0 - 60 km

Question 5

thickness of Mantle

Answer 5

2900km

Question 6

temprature of inner core

Answer 6

5500 oC

Question 7

Age of Alps

Answer 7

30 to 40 million

Question 8

Name 4 uses for the Alps

Answer 8

Mining, Farming, Hydroelectric, Tourism

Question 9

Name 2 types of volcano

Answer 9

Composite and shield

Question 10

What type of lava is in composite volcanoes

Answer 10

Andisite lava

Question 11

Name the type of lava in shield volcanoes

Answer 11

Basalt Lava

Question 12

Where is Mt St Helens?

Answer 12

Wasington State, USA

Question 13

Date and time of Mt St Helen’s eruption.

Answer 13

18th May 1980 at 8:32 am

Question 14

Name 6 ways of monitoring for volcanic eruptions

Answer 14

GPS , Tilt meters, Digital cameras, Cospec Meters, Fumerals and Seismographs

Question 15

Date of Kobe earthquake

Answer 15

17th Jan 1995

Question 16

name of the bay area of Kobe

Answer 16

Osaka bay

Question 17

Capital city of Hati

Answer 17

Port au Prince

Question 18

building protected by retro engineering in Kobe

Answer 18

Osaka bay tower

Question 19

secondary threat caused by mixing ash and water

Answer 19

Lahars

Question 20

weight of roofs that pancaked in kobe

Answer 20

2 tonnes

Question 21

Name of plug that causes pressure to build up inside the volcano

Answer 21

Lava dome

Question 22

Date of Mt St Helen’s eruption

Answer 22

`18th May 1980

Question 23

Name of guy driving the bus on the expressway when it collapsed

Answer 23

Fukumoto

Question 24

Device that measures the amount of sulphur dioxide in the air

Answer 24

COSPEC meter

Question 25

Number of gas masks handed out during the Mt St Helen’s eruption

Answer 25

2 million

Question 26

Runny type of Lava

Answer 26

Basalt

Question 27

When land acts like a liquid during seismic shaking

Answer 27

Liquidfaction

Question 28

type of plate boundary where 2 plates slide past each other

Answer 28

Conservative

Question 29

Thick type of lava

Answer 29

Andisite

Question 30

Name given to the sinking of oceanic plates into the mantle

Answer 30

subdiction