occurs when 2 plates are pushing towards each other.
When do convergent boundaries occur?
100
They occur on the edges of continents and in the ring of fire.
Where do most earthquakes occur?
100
When all the land masses were together before continents.
What is Pangaea?
100
Cracks in earth's crust
What are faults?
200
1.Cover several of miles.
2.long,gently sloped sides.
3.fluid like lava flows out over the sides over long periods of time.
refer to 1c for an image.
What are characteristics of a shield volcano?What is the shape of shield volcanoes?
200
Occur when They move apart from each other
When do divergent boundaries occur?
200
Earthquakes occur mostly because of plate boundaries.
What is the main factor that causes earthquakes to occur?
200
Alfred Wegener made a theory of why continents formed.
Who made a theory about Pangaea?
200
The fault where rocks plunge towards the ground.The pressure is from the bottom and top creating a flat portion but then a little curvy part.
What are monocline faults?Where is the pressure from?
300
1.most dangerous,tend to erupt violently,ejecting large quantities of ash cinders and lava. One example is the Mt. Saint Helens.Refer to 1d of the word document for a picture.
What are characteristics of composite volcanoes?
300
Examples of where the plate boundary occurs:Between the Pacific plate and the Australian plate, crossing New Zealand and between the Pacific and North american plates.
Where do transform boundaries occur?
300
Earthquakes under water that causes a giant wave?
How can earthquakes cause Tsunami's?
300
Animal fossils are on different land masses.
What happened to animal fossils after Pangaea rifted and split?
300
Folds the bends downwards. The pressure comes from The sides which makes the rocks arch upwards but as it gets weaker it starts to bend downwards.
What are syncline folds?Where is the pressure from?
400
Form on sides of shield volcanoes. Steep cone shaped volcanoes. Usually erupt once,solidify,and never erupt again.Loose material on sides tend to collapse.
What are characteristics of a cinder volcano? What shape do cinder volcanoes cause?