Layers of the Earth
How many main layers does the Earth have?
4
What is the name for the land mass when all of the continents were connected?
Pangea
What plate is the closest to Vancouver?
The Juan de Fuca Plate
What is magma called once it is released onto Earth’s surface?
Lava
What is the Indigenous name for North America?
Turtle Island
What is the core of the Earth made of?
Iron and nickel
Why are land animal fossils evidence for Pangea?
What is the point where two or more plates touch called?
A plate boundary
What mountain range is located in BC?
The Rocky Mountains
How do Indigenous People pass on knowledge?
Through stories
What is the name of the thickest layer of the Earth?
The mantle
What is a famous mountain range that got split up when the continents drifted apart?
The Appalachian Mountains
What instrument is used to record seismic waves?
A seismograph
What causes a mountain to form?
A continental crust collision
What is the name of the Indigenous earthquake story that we shared in class?
Earthquake Foot
What is the name of the layer that is rocky and includes the continents and ocean basins?
The crust
Wegner is the scientist who suggested the Theory of Continental Drift and Pangea. Why was his theory initially rejected?
Because he did not explain a mechanism for how the continents move.
What are the two types of seismic waves?
P waves and S waves
What is an unusually hot region of the Earth’s mantle called?
A hotspot
What happens in the Hesquiaht tribe story once the visitor gets infected with Earthquake Foot?
As he walks, the ground shakes, creating an earthquake.
What is the name of the layer that is made of liquid metal?
The outer core
Pangea broke up during which geological time period?
The Jurassic
What are the three types of faults?
Normal, reverse, and strike-slip
What types of plate boundary do most volcanoes occur at?
Convergent plate boundaries
How do we speculate that Indigenous people migrated to North America?
Through a land bridge