Layers of Earth
What is the thickest layer of the Earth?
Mantle
What is the name of the Earth supercontinent?
Pangea
What type of volcano has the most tense eruptions?
Cinder Cone
What the three different types of rocks?
Metamorphic, Igneous, and Sedimentary
What is the process by which sediment is squeezed and glued into a rock?
Compaction & Cementation
What layer of the Earth has the least amount of pressure?
Crust
What drives the movement of the plates?
Convection Currents
What type of volcano is the largest in side of the volcanoes?
Shield (very wide and tall)
What rocks forms under intense heat and pressure?
Metamorphic Rock
What do igneous rocks form from? (what type of matter)
lava or magma
The curst contains two types crust. What are they?
Continental and Oceanic
Explain what happens in each of the plate boundaries.
Convergent - push together
Divergent - pull apart
Transform - slide past
What are the three types of volcanoes?
Shield, Cinder Cone, Composite
What is the moving of weathered products from their original position?
Erosion
Melting
Name the layers of the Earth from most dense to least dense.
Inner core, Outer Core, Mantle, Crust
What happens to the crust in each of the plate boundaries?
Convergent - crust is destroyed
Divergent - crust is created
Transform - crust is moved
Most volcanoes form from which type of plate boundary?
convergent boundaries
What is a characteristic of an igneous rock?
glassy surface or gas bubbles
How does metamorphic rock turn into sedimentary rock?
weathering, erosion, deposition
What two metals make up the inner core?
Iron and Nickel
Name two pieces of evidence that support tectonic plates.
1. Fossil Evidence
2. Continents fit like a puzzle
3. Seafloor spreading
What is viscosity?
the resistance of a fluid to a change in shape or movement
Name a metamorphic rock, igneous rock, and sedimentary rock.
Metamorphic - schist, gneiss, marble
Igneous - granite, obsidian, pumice, quartzite.
Sedimentary - sandstone, shale, limestone, conglomerate.
How are rocks classified?
By their formation