Boundary Types
Where an earthquake occurs
What is transform boundary?
The scientist known for mapping the seafloor
Who is Marie Tharp?
The scientist known for this theory
Who is Alfred Wegener?
The material made from rocks that break down by weathering
What is sediment?
Landform formed when lava erupts onto the surface of Earth
What is volcano?
Where a mid-ocean ridge occurs
What is divergent boundary?
Scientists used sound waves to make these of the ocean floor
The original land mass or supercontinent
What is Pangea?
Breaking down of rock without changing the make up of the rocks
What is physical weathering?
A crack or fracture in Earth's crust
What is fault?
When two continental plates collide this is formed
What is a mountain?
Magma rises upward through this
What is ocean floor?
2 ideas that support continental drift
What are puzzle pieces, fossil records, rock layers, and climate change?
Weathering that changes the composition of the minerals in a rock
What is chemical weathering?
The strength of an earthquake
What is magnitude?
Where a volcano occurs
What is a subduction zone?
Younger or newer crust is located here
What is closest to mid ocean ridge?
Wegener proposed believed this caused continental drift
What is spinning of the Earth?
The downhill movement of a large mass of rocks and soil due to gravity
What is mass wasting?
Mountains are formed at this boundary
What is convergent?
Why oceanic crust subducts under continental crust
What is denser?
Older crust is found here
What is coastline?
Wegener's theory was rejected because of this
What is he couldn't explain how, why, or when?
The movement of loosened and weathered materials
What is erosion?
Magma and lava have this in common
What is molten rock?