Tectonic hazards Flashcards
List the layers of the earth in order
Inner core , outer core , mantle , crust
How is the earth like an egg
The shell is like the crust of the egg . The egg yolk is like mantle because it is thickest part of the world and the yolk is like the inner core
What is continental drift
Where the plate boundary’s move over time and the land changes
Why do plates move
The mantle is a liquid and the different plates are floating on top of it freely
What is the name , hazards found and cause of this ↘️↖️Plate boundary
Name : conservative
Hazards: earthquakes
Cause : plates slide past each other
What is the name , hazards found and cause of this ↘️⬅️Plate boundary
Name: destructive
Hazard: earthquake and volcanoes
Cause: a plate slides under another plate
What is the name , hazards found and cause of this ➡️⬅️ Plate boundary
Name: collision
Hazard earthquake
Cause: plates move towards each other
What is the name , hazards found and cause of this ⬅️➡️ Plate boundary
Name: constructive
Hazard: volcanoes
Cause: plates moving away from each other
Earthquake
Shaking of the earth
Siesmeter
Measures earthquakes
Richter scale
Number representation of how strong an earthquake was
1 on the Richter scale =
Can only be detected by a seismograph
3 on the Richter scale =
Similar to the vibrations of a passing lorry
5 on the Richter scale =
Plaster may fall from walls furniture moves
6 on the Richter scale =
Damaged buildings
7-10 on the Richter scale =
Major catastrophe
Name 2 things you can do in an earthquake to become safer
- get to open land
- evacuation buildings
- drop cover hold
- get under a door frame
List 3 things you would put in your emergency bag
- torch
- fresh water
- wind up radio
- portable stove
- first aid kit
Name 3 parts of a volcano
- creates
- main vent
- magma chamber
- secondary vent and cone
Name 2 features of an shield volcano
Thin runny lava
- gentle slope
- gentle eruptions
- found at constructive boundary
Name 2 features of a composite volcano
-steep sides
-thick lava
-explosive eruptions
Creates layers of ash and ash clouds
Give 1 reason why people live near volcanoes
- precious metals are found
- jobs
- beauty
What is a super volcano
A very big volcano
Give some different features from a super volcano to a normal one
- bigger ash cloud
- underground
- causes acid rain
What causes a tsunami
A earthquake underwater
