Show:
The Scientific Method / Properties of Earth
Plate Tectonics
Earthquakes
Volcanoes
Rocks and Minerals
100
What is a solstice?
The two dates per year which direct sunlight strikes highest in the northern and southern hemispheres.
100
what is Pangaea?
The proposed supercontinent 200 million years ago.
100
What is the focus of an earthquake?
The point under the surface of the earth where plates fault.
100
What are hot spots?
Regions underneath lithospheric plates which are abnormally hot and can cause volcanism in those regions.
100
How do Igneous rocks form?
from cooling and crystalizing of magma.
200
What is a scientific law?
A conclusion to a scientific inquiry (question) which CAN be proven.
200
Convergent Boundary?
Where two plates move toward one another.
200
What is the ring of fire?
A region surrounding the Pacific Ocean where the majority of the earth's earthquakes and volcanoes occur.
200
What is magma?
Molten rock found under the surface of the earth.
200
What does the hardness test measure?
the ability of a mineral to be scratched.
300
How long is one rotation of the earth?
24 hours
300
Transform Boundary.
Where two plates slide past one another.
300
What is the magnitude?
The measurement of energy in seismic waves.
300
What is Felsic Rock?
light colored, thick lava found primarily in continental crust. (explosive)
300
What are minerals?
Substances that are solid, inorganic, and occur naturally.
400
What is a theory?
A conclusion to a scientific inquiry (question) which CAN'T be proven.
400
What is Seafloor Spreading?
The diverging (moving apart) of oceanic crust and forming of new seafloor.
400
What are Fault Zones?
Regions where plates under stress move apart.
400
What is Lapilli?
Marble sized particles of rock.
400
Define Foliated Texture.
minerals are compressed and flattened, so it looks like stripes.
500
What are the layers of the earth inner to outer?
Inner core, outer core, mantle, crust.
500
Divergent boundary?
Where two plates move apart from one another.
500
Mercalli Intensity
The amount of damage caused by an earthquake.
500
What are shield volcanoes like?
Broad, wide, short volcanoes which produce runny mafic lava.
500
What does Stratification mean?
it forms in layers.