Layers of Earth
What are the 4 primary layers of Earth?
Crust, Mantle, Outer Core, Inner Core
Which German scientist developed the theory of Continental Drift?
Alfred Wegener
Maine currently is part of what major tectonic plate?
North American Plate
Which is considered more dense, warm or cold water?
Cold Water
What are the 3 primary rock types?
Sedimentary, Metamorphic, Igneous
This relatively soft layer of the Earth contains enough liquid movement to help in the shifting of the continents.
Asthenosphere/Mantle
This primary form of evidence used by scientists, is also easily recognizable by most students or map viewers.
Fit of the Continents.
Convergent Boundary.
You can change an object's density by increasing or decreasing ________.
Temperature
Obsidian, a rock formed from lava, is an example of what major type of rock?
Igneous
This layer of Earth combines both the crust and the top portion of the mantle.
Lithosphere.
The Cynognathus is a type of ______ ________which helped scientists determine that the plates were once together.
Animal fossil.
This type of plate boundary is when two plates are moving away from each other.
Divergent Boundary
More dense magma cools and sinks back deeper into what major layer of the Earth?
Mantle.
Conglomerate, a combination of several things, is what type of major rock?
As you descend deeper into Earth, what two things increase exponentially (faster)?
Pressure and Temperature.
Glaciers once covered several continents, helping scientists understand their connection. What clues did glaciers leave behind?
Glacial Striations (Rock Scratches)
What do you call the space between the tectonic plates?
Faults (or tectonic boundary)
Convection currents help less dense magma rise to the surface along what geologic location?
Deep-ocean trench
Mid-ocean ridge
Subduction Zone
Mid-Ocean Ridge
What are the two primary forces change rocks?
Weathering and Erosion
This type of seismic wave is mainly responsible for us knowing there is liquid in Earth's interior.
S-wave
The Glossopteris is a fern-like plant which fossils were found across what 5 continents?
South America, Africa, India, Antarctica, Australia.
The Mariana trench is a result of what two types of crust crashing into one another?
continental vs continental
oceanic vs oceanic
continental vs. oceanic
Oceanic vs. Oceanic
You can calculate an object's density by using the following equation:
Density = Mass/Volume
What is the density of a box with a volume of 15cm3 and a mass of 45g.
3g/cm3
Granite is an igneous rock that slowly forms by cooling deep within the bedrock. What type of igneous rock would this be considered?
Intrusive Igneous