The Scientific Method / Properties of Earth
Plate Tectonics
Earthquakes
Volcanoes
Rocks and Minerals
100
The two dates per year which direct sunlight strikes the equator
What is Equinox
100
Where two plates move apart from each other
What is Divergent Boundary
100
A device used to measure seismic waves
What is Seismograph
100
A feature produced when a vent of a volcano is blown apart during eruption
What is Crater
100
Easy to observe, but least reliable method of identifying minerals
What is Color
200
The two dates per year which direct sunlight strikes highest in the northern and southern hemispheres
What is Solstice
200
Where two plates move toward each other
What is Convergent Boundary
200
Primary waves that first arrive from an earthquake
What is P Waves
200
A feature produced when an emptied magma chamber causes a volcano to collapse
What is Caldera
200
When a mineral breaks along smooth, flat surfaces
What is Cleavage
300
The orbit of the earth around the Sun
What is Revolution
300
Where two plates slide past each other
What is Transform Boundary
300
Secondary waves to arrive from the earthquake
What is S Waves
300
BB or marble sized particles of rock
What is Lapilli
300
Color of a mineral in powdered form
What is Streak
400
The imaginary line which the Earth spins upon
What is Axis
400
Region where one plate moves underneath another
What is Subduction Zone
400
The measurement of energy in an earthquake in seismic waves
What is Magnitude
400
Mafic lava which cools quickly and produces a jagged texture
What is Aa
400
1-10, softest to hardest
What is Mohs Hardness Scale
500
The spinning of the Earth on it's axis
What is Rotation
500
The movement of heat through the asthenosphere which causes plates to move
What is Convection Current
500
The amount of damage caused by an earthquake
What is Mercalli Intensity
500
Mafic lava which cools slowly and produces a ropy texture
What is Pahoehoe
500
The reflectivity of a mineral
What is Luster
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