Hazardous Earth

Question 1

what are the our major layers of the earths structure?

Answer 1

Crust ,mantle, outer core, inner core

Question 2

which layer of the earth is the thickest?

Answer 2

Mantle

Question 3

what two layers of the earth is entirely solid?

Answer 3

crust and inner core

Question 4

what are the two different types of crust?

Answer 4

continental crust and oceanic crust

Question 5

what type of crust is more dense? why is this significant?

Answer 5

oceanic crust, this is significant because when a oceanic and continental plate crash together is subducts

Question 6

what is the name of the process that causes the earth tectonic plates to move?

Answer 6

convection currents

Question 7

how many different types of plate boundaries are there?

Answer 7

three

Question 8

what direction do the plates move in at a convergent plate boundaries?

Answer 8

towards each other

Question 9

true or false? volcanoes occur at conservative plate boundaries?

Answer 9

false

Question 10

explain two characteristics of a shield volcano

Answer 10

it is tall ans it has a narrow base

Question 11

explain two characteristics of a composite volcano

Answer 11

its short and has a wide base

Question 12

what is a hotspot?

Answer 12

an area of the Earth’s mantle from which hot plumes rise upward, forming volcanoes on the overlying crust

Question 13

complete the sentences :
In an earthquake, the point of rupture- where the earthquake happens underground is called the f______. Shock waves radiate out from this point. The e______ is the point directly above this on the earths surface ( where the earthquake is felt the most).

Answer 13

1. fault
2. epicenter

Question 14

what does magnitude mean?

Answer 14

the size of the earthquake

Question 15

what is the name of the scale that earthquakes are measured on?

Answer 15

seismometer

Question 16

what causes tsunamis?

Answer 16

a sudden shift in plate movement

Question 17

What was your developing country earthquake case study and when did it happen?

Answer 17

Haiti earthquake in 2010

Question 18

two primary impacts and two secondary impacts for the Haiti earthquake case study.

Answer 18

primary: a prison collapsed leading 4000 inmates to escape.
around 316000 people died and many others were injured.
secondary: cholera spread through squatter camps. with factories closed tourism stopped causing increased economic losses.

Question 19

one immediate and one long term response for you developing earthquake study