Plate Boundaries
Plate Tectonics
Theories
Layers of the Earth
Weather & Erosion
100
Two plates that slide against each other in opposite directions.
What is Transform?
100
Continental Drift occurs because of..
What is Magnetic Reversal?
100
A theory that says all of the continents (present day) were all once one big continent. What was it called and who said it?
What is Pangaea; Alfred Wegener.
100
The thin outer shell of the Earth
What is the crust?
100
___ is the breakdown of materials in the Earth's crust into sediment.
What is Weathering?
200
Two plates come together, one sliding under the other or both rising up
What is Convergent?
200
The _____ are forming where the Indo-Australian plate collides into the Eurasian plate.
What is the Himalayas?
200
The hypothesis that continents have moved slowly to their current locations is called____
What is continental drift?
200
The thickest layer of the Earth
What is the mantle?
200
weathered rock is carried away by gravity, water, wind, and ice
What is erosion?
300
Two plates that move apart and cause tension
What is divergent?
300
a large crack in the Earth's surface where earthquakes usually occur
What is a fault?
300
Studying the ocean floor, scientists found rocks showing magnetic___
What is reversal?
300
the layer that is made of iron and nickle
What is the outer core?
300
Water, wind and temperature are all apart of ___.
What is physical weathering?
400
San Andreas Fault
What is An example of transform?
400
A sudden, violent shaking of the earth caused by a shifting in the earths crust.
What is Earthquake?
400
The seafloor spreading theory was proposed by ______
Who is Harry Hess?
400
The ___ is the hottest layer of the Earth.
What is inner core?
400
chemical weathering includes _____ and ______.
What is acid rain; rust
500
Area where an oceanic plate goes down into the mantle
What is subduction zone?
500
there are four types of these ________. -shields -composite -cinder -ash caldera
What is a volcano?
500
_____ found identical rock layers in Africa and South America.
Who is Alexander Von Humboldt?
500
the rigid outer part of the Earth, consisting the crust and upper mantle
What is the lithosphere?
500
A natural shape or feature on Earth.
What is Landforms?