Vocabulary
Boundaries
Plate Tectonics
Pangaea
Random
100
Earth's crust and outer part of the mantle make up this area. Also, Earth's tectonic plates move here...
What is the lithosphere.
100
This is an area where two plates meet and come together.
What is a plate boundary.
100
Which of the following definitions best describes a plateau?
What is an area of raised, flat land.
100
Alfred Wegener's theory that Pangaea drifted apart in the past and continents continue to move today is known as...
What is continental drift.
100
What do seismographs detect?
What is ground movement as it occurs. (Earthquakes)
200
The outermost solid layer of Earth.
What is the crust.
200
At this type of boundary two plates push together causing a mountain to form. Other things that can form are a trench or a volcano.
What is a colliding boundary.
200
Which amount that best completes the sentence. The North American Plate and Eurasian Plate move away from each other about ______________ each year.
What is 2 cm.
200
The giant landmass that scientists believe existed years ago was known as...
What is Pangaea.
200
Why do most major earthquakes in the United States occur in California and Alaska?
What is these states are located on a plate boundary.
300
Innermost layer of Earth.
What is the core.
300
At a spreading boundary plates move away from each other. This causes ________ to form.
What is valleys.
300
Where does seafloor spreading happen?
What is seafloor spreading occurs at ocean ridges.
300
According to the theory of plate tectonics, what may form where plates move together?
What is mountains.
300
Earth’s core is...
What is the innermost layer of Earth.
400
A break in the Earth's crust. Kind of like a crack.
What is a fault.
400
When plates slide past each other, earthquakes often occur. This kind of plate boundary is called a...
What is a fracture boundary.
400
Where are most volcanoes located?
What is on the ocean floor.
400
How do you think the continents are going to look in 50 million years?
Answers may vary. However, all answers MUST include something about the continents moving.
400
Most of Earth’s mass is in the...
What is mantle.
500
This theory explains why the Earth's features appear as they do.
What is plate tectonics.
500
Write down what kind of boundary you think is the most dangerous. Give (at least) one reason you think it is the most dangerous.
Answers will vary. For example, I think that the fracture boundary is the most dangerous because earthquakes occur at fracture boundaries.
500
What is the source of heat that powers the convection currents?
What is Earth's hot core.
500
Name two pieces of evidence that Alfred Wegener suggested that proved his theory of continental drift was correct.
What is fossils, ancient climates, seafloor spreading, and rock types.
500
Where are Earth’s tectonic plates located?
What is they float on top of the lower mantle.
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