Plate Margins & Plate Tectonics Flashcards
(17 cards)
What are the 4 layers of the Earth (starting with the most outward layer)?
- Crust.
- Mantle.
- Outer core.
- Inner core.
- Which layer of the Earth is the hottest?
- How hot is it?
- Inner core.
- 5,500°C.
- Which layer of the Earth is the thickest?
- How thick is it?
- Mantle.
- 2,900 km
What are the 2 types of crust?
- Continental.
- Oceanic.
What moves tectonic plates?
Slab pull and ridge push
- Which type of crust is denser?
- What does this mean?
- Oceanic.
- It can be subducted.
Which types of plate margins can earthquakes occur along?
All types
Which types of plate margins can volcanoes occur at?
Constructive and destructive
What are the 3 types of plate margins?
- Destructive.
- Constructive.
- Conservative.
What plates do destructive plate margins involve?
Oceanic and continental
At a destructive plate margin, the plates move ____1____ each other and this can cause ____2____.
- towards
- earthquakes
When 2 _____1_____ plates collide, ______2______ are formed. This is called a _______3________ and _____4_____ can occur.
- continental
- fold mountains
- collision margin
- earthquakes
What can be formed/occur at destructive plate margins? (3)
- Earthquakes.
- Composite volcanoes.
- Fold mountains.
At a constructive plate margin, the plates move ____1____ each other and this causes a ____2____. The movement of the plates over the mantle can cause _____3_____.
- away from
- shield volcano
- earthquakes
What can be formed/occur at constructive plate margins? (2)
- Shield volcanoes.
- Earthquakes.
At a conservative plate margin, the plates move ____1____ each other and a ______2______ can cause ____3____.
- past
- sudden release of pressure
- earthquakes
What can be formed/occur at conservative plate margins? (1)
Earthquakes
