Layers of the Earth
There are ____ layers of the Earth.
4
Metamorphic, sedimentary, igneous
Who came up with the Continental Drift hypothesis?
Alfred Wegener
Name the type of boundary: when two plates come together
Convergent
What is the scale used to express the magnitude of an earthquake?
Richter Scale
What is the rigid outer part of the Earth, consisting of the crust and upper mantle?
Lithosphere
What kind of rocks are formed from cooled magma?
Igneous
According to the Continental Drift theory, the Earth once consisted of a supercontinent called ____________.
Pangaea
What are the three types of folds?
Monocline, syncline, anticline
Which type of wave (S-wave or P-wave) cannot travel through liquids?
S-waves
What is the thinnest layer of the Earth?
Crust
What kind of rocks are formed when sediment is compacted and cemented?
Sedimentary
What is the mechanism responsible for Continental Drift?
Sea-floor spreading
A normal fault is an example of what type of fault?
Dip-slip
What kind of soil allows water to flow through it easily because the spaces between the inorganic are large and well-connected?
Permeable
What are the layers of the Earth in order?
What kind of rocks are formed when heat and pressure are applied to igneous rocks?
Metamorphic
Who proposed the idea of sea-floor spreading?
Harry Hess
A thrust fault is an example of which type of fault?
Reverse
What is an example of an inorganic material found in soil?
Water
What is the upper layer of the Earth's mantle, below the lithosphere? (Hint: convection occurs here)
Asthenosphere
What is molten rock material sometimes called?
Magma
What feature rises up high above the deep seafloor as a long chain of mountains?
Mid-ocean Ridges
What is the amount of force per unit area placed on a rock?
What is used to determine soil texture?
Soil Texture Triangle