Earth 10 Final Quiz

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1.
1 point
Adding heat is the main process to form magma
2.
1 point
A gneiss is a low grade metamorphic rock, therefore, it resembles its parent rock: shale
3.
1 point
El Capitan in Yosemite is composed of plutonic rock
4.
1 point
The present atmosphere is comprised of a mix of gases, where nitrogen is 21% and oxygen is 78%
5.
1 point
Sedimentary rocks (mark all that apply):
6.
1 point
The dominant rock of the mantle is called ______ and is _______. See below for options
7.
1 point
Continental crust is _____ than oceanic crust (mark all that apply):
8.
1 point
The more volatiles the magma has (mark all that apply):
9.
1 point
The heat changes in metamorphism can be enough to melt the entire pre-existing rock
10.
1 point
Igneous activity occurs mostly at (mark all that apply):
11.
1 point
A volcanic rock is an igneous rock formed beneath the surface of the earth
12.
1 point
The Earth's magnetic field (mark all that apply):
13.
1 point
Dip-slip faults displace the rock in
14.
1 point
A mineral has to be (mark all that apply):
15.
1 point
The magnitude and frequency of earthquakes show a positive correlation (when one is higher, the other one is too).
16.
1 point
Pre-existing rocks that have been modified by heat and/or pressure are called
17.
1 point
The gas giant planets are located really close to the Sun
18.
1 point
Ice and glaciers correspond to approx... the ____& of all surface water.
19.
1 point
Euhedral crystals are well-formed crystals
20.
1 point
Obsidian is (mark all that apply):
21.
1 point
What all folds have in common
22.
1 point
Metamorphism sometimes consists of extreme pressure changes on the original rock. Differential stress commonly forms bands in the rock parallel to those stresses.
23.
1 point
Ionic bonds are weaker than covalent bonds
24.
1 point
The liquid layer of the Earth is the
25.
1 point
The atmosphere normally becomes unstable when warm or moist air is on top of denser cold or dry air.
26.
1 point
The block of crust that is above a non-vertical fault is named
27.
1 point
The first atmosphere at planet formation (4.57 Ga) had some free oxygen but not enough to sustain life
28.
1 point
Polymorphs like granite and diamond have the same internal structure but different composition
29.
1 point
The properties of igneous rocks depend on their
30.
1 point
Shales indicate a past low energy environment
31.
1 point
The rock cycle involves a continuous movement of _______ between rock reservoirs (mark all that apply)
32.
1 point
We know the Moho exists because seismic waves change _____ in different materials
33.
1 point
Basalt and Granite have the following in common (mark all that apply):
34.
1 point
The coarser the grainsize in clastic rocks, the more energy they reflect
35.
1 point
The physical properties of minerals depend on their (mark all that apply):
36.
1 point
The ground surface of deserts absorbs so much heat in hot deserts that a layer of very hot air (up to 170 degrees F) forms above the ground. That is called a mirage.
37.
1 point
Crust that has not been affected by orogeny for at least 1 biillion yrs is called
38.
1 point
This is a force per area, applied perpendicular to the surface of an object...
39.
1 point
The Universe started 14 millions years ago
40.
1 point
How old is the Earth?
41.
1 point
In low altitudes, the Equilibrium Line Altitude (ELA) for ice is highest.
42.
1 point
Silicate minerals are the most common minerals on Earth
43.
1 point
Hawaii's volcanoes are not very explosive as their rhyolitic lava is less viscous
44.
1 point
The percentage of the total volume of rock or sediment that consists of pore spaces is called
45.
1 point
A fault is different from a fracture in that
46.
1 point
Earth's elemental composition is mostly (mark all that apply):
47.
1 point
A rock is an aggregate of minerals with the same composition
48.
1 point
Mt. Saint Helens is a very explosive volcano with mostly basaltic lava/rocks nearby
49.
1 point
Some of the groundwater problems are (mark all that apply)
50.
1 point
A glass and a mineral are practically the same