Theory of Continental Drift
Continental Drift is all about what?
Continents moving
True or False, The Earth's surface is made up of interlocking plates.
True
Where in the Earth does convection take place?
Mantle
Most volcanoes and Earthquakes are located where on plates?
Edges of Plates
True or False Plate movement does NOT cause different features to happen on Earth.
False
Who found evidence that the world was once a giant super continent called Pangea?
Alfred Wegner
Plates come in all different
Shapes and Sizes
In Earth, what causes convection to happen?
Heat from the core
What direction do divergent boundaries move in?
Away from each other.
When plates move away from each other what features are created?
Volcanoes, Ridges, Earthquakes
Fit of the Continents
What is one similarity between the Theory of Plate Tectonics and the Theory of Continental Drift?
They both involve movement.
Why do basements usually feel cooler than the rest of the building?
Heat rises
transform
What is a deep cut in the ocean floor that is formed when two plates come together?
Trench
How did animal fossils support the idea of continental drift?
Animal fossils were found on two different continents separated by oceans. These animals could not swim therefore the continents were once together.
What evidence is used to support the Theory of Plate Tectonics?
Age of the Ocean Floor
Hot material is _______ dense, while cold material is _______dense.
There are two types of crusts. Oceanic and Continental. Which crust is less dense?
Continental
What feature is created at every plate boundary?
Earthquakes
Coal deposits were found suggesting plants were found in this once plant covered location. What is the name of this location?
Antarctica
What are two major differences between the Theory of Plate Tectonics, and the Theory of Continental Drift?
1. Plate tectonics includes an explanation of how the plates move.
2. Plate tectonics involves plates moving.
Which of the following is an example of convection?
a. A hair dryer is drying up your hair.
b. When the AC or heater changes the temperature
c. When a car engine turns hot after being turned on.
d. boiling spaghetti noodles in water
D
When one plate sinks under the other this is known as
Subduction
Tommy discovered a new place on Earth. At this location there are Volcanoes, Mountains, Earthquakes, and trenches. What type of plate boundary did Tommy discover?