Show:
The Scientific Method/Properties of Earth
Plate Tectonics
Earthquakes
Volcanoes
Rocks and Minerals
100
What is the outermost layer of the Earth?
Crust
100
Who proposed the theory of Continental Drift?
Alfred Wegener
100
Waves produced by earthquakes are known as _________ waves.
seismic
100
Features which form at the center of seafloor spreading regions are known as ______________.
volcanoes
100
What causes holes in some igneous rocks such as pumice?
dissolved gases
200
This is a conclusion which has been drawn using observation and repeated testing, but lacks substantial proof
Theory
200
When did the "Super Continent" start separating?
200 million years ago
200
This scale measures the energy or magnitude of the Earthquake.
Richter Scale
200
What is subduction?
When one plate is forced under another.
200
What is Fracking?
It is a technology where pressurized water and chemicals are used to fracture shale, in order to obtain natural gas.
300
What are the coordinates of the point where the Equator crosses the International Date Line?
0 degrees S, 180 degrees W
300
The Continental Crust is _____and _____than oceanic crust
Thicker, less dense
300
What magnitude of Earthquakes occur most often?
2.1
300
Ocassionally, volcanoes form from ________ in the middle of plates.
Hot spots
300
Clastic sedimentary rocks may contain _______.
Rock Fragments
400
These imaginary lines run horizontally across the Earth and measure distance north or south of the Equator.
Latitude
400
What is Pangaea?
When all the continents were joined together.
400
Earthquakes will cause the least damage to regions above _______.
Bedrock
400
A “ropy” type of mafic lava which cools slowly is known as ______.
Pahoehoe
400
This is considered one of the easiest features of a mineral to observe, but is not the best way to identify a mineral
Color
500
Which of the following is NOT a branch of Earth Science?
Astrology
500
Which of the following is NOT a form of evidence supporting continental drift?
Written accounts from Ancient Civilizations
500
The point on the Earth's surface directly above where the earthquake occured is known as the _________.
Epicenter
500
Most of the world's volcanoes are found in a region known as ____________.
Ring of Fire
500
The pressing and squeezing out of water and air between sediments is known as ________.
compaction