Show:
Plates & Boundaries
Layers of Earth
Volcanoes
Weathering
Quakes
100
plate boundary
What is the line between two plates called?
100
Mantle
What layer of earth contains both solid and melted, liquid rock?
100
Volcanic Eruption
What is an explosion of lava, ash, steam and smoke called?
100
Sediments
What are tiny particles of rock broken off by weathering?
100
A fault
What is a crack in the earth where earthquakes occur?
200
Divergent movement
Which kind of plate movement causes volcanoes or sea floor spreading?
200
Continental crust
What is the part of the crust that we can see and stand upon?
200
Dome shield
Which kind of volcano is shaped like a mound, and has mild, liquid-y eruptions?
200
Weathering
What is the process in which rock is broken down by wind, water, chemicals or plants into tiny pieces?
200
Focus
What is the place where an earthquake begins, underground?
300
Convergent movement
Which kind of plate movement builds mountains?
300
Iron and nickel
What is the inner core of earth made of?
300
Cinder Cone Volcano
What kind of volcano has the most violent eruptions, with lots of gas and ash, thick lava and lava bombs?
300
Erosion
What is the carrying away of sediment by wind or water?
300
Epicenter
What is the place where an earthquake begins on the surface of earth?
400
Transform movement
Which kind of plate movement causes earthquakes?
400
Magma
What is the liquid, melted rock found in the mantle?
400
Composite volcano
What kind of volcano can have both mild or violent eruptions?
400
Deposition
What is the settling of sediment as it drops out of wind or water?
400
Seismic wave
What is a huge vibration in the crust caused by an earthquake?
500
Plate tectonics
What is the word we use to describe the movement of plates?
500
Continental Drift Theory
What is the theory that the continents were once joined together, and drifted to where they are today?
500
Pyroclasts
What is a lava bomb, or chunk of rock thrown from a volcano?
500
Chemical weathering
Which kind of weathering changes the rock into a different substance or chemical composition?
500
Convection current
What causes the plates of earth to move at their divergent, convergent or transform boundaries?