Show:
Rocks & minerals
Structure
Tectonics
Erosion
Earthquakes & volcanoes
100
Two types of minerals
What are silicates and non-silicates?
100
the layers of the Earth in order form the center to the surface
What are inner core, outer core, lower mantle, transition zone, upper mantle, and crust?
100
the study of the movement and changes in the rocks that make up the Earth's crust.
What is tectonics?
100
a mound of sand formed on a barrier as a result of wind and water
What is a dune?
100
a vent in the Earth's crust through which lava, steam, ashes and gases are forced
What is a volcano?
200
According to this scale, diamond is the hardest mineral
What is Moh's scale?
200
layer of the Earth with the most volume?
What is the mantle?
200
convection currects within the magma of the Earth's asthenosphere cause this
What is sea-floor speading?
200
normal, reverse, and lateral are three types of these
What are faults?
200
the location of the most disastrous effects of an earthquake
What is the epicenter?
300
rock that is formed by changing other rocks over time by heat and pressure
What is metamorphic rock?
300
the layer of the upper mantle composed of low-density rock material that is semiplastic, like putty
What is the asthenosphere?
300
the point at which one tectonic plate touches another
What is a plate boundary?
300
a substance's ability to be drawn or pulled into a wire
What is ductility?
300
a fault in which the hanging wall moves down in relation to the footwall
What is a normal fault?
400
waves that travel through solids, liquids and gases
What are P waves?
400
the balance of large portions of the EArth's crust
What is isostacy?
400
the wearing down of rock surface by other rocks or sand particles
What is abrasion?
400
the point inside the earth where an earthquake begins
What is the focus?
500
natural, inorganic, crystalline solid, a chemical composition
What are the characteristics of a mineral?
500
names of the two kinds of crust
What are the continental and oceanic crusts?
500
When plates move away from each other, the boundary is called this
What is divergent boundary?
500
a permanent change in the shape or volume of rocks
What is deformation?
500
a break in the Earth's crust along which rocks move
What is a fault?