Boundaries
Plate Tectonics
Geologic Timescale
Causes
Earth's Layers
100
What are the three types of boundaries?
Convergent, Divergent, Transform Boundaries
100
What was the name of the supercontinent millions of years ago?
Pangea
100
TRUE OR FALSE
The fossil on the most bottom layer in sedimentary rock is considered the youngest fossil
False
100
What natural disasters are caused by plate tectonics?
Volcanic Eruptions, Earthquakes, Tsunamis
100
Which part of the Earth is most likely liquid iron and nickel?
Outer core
200
What type of boundary is it when plates merge together?
Convergent Boundary
200
What is another name for lithosphere?
Crust
200
Geologic time is divided into specific periods is based on
fossils
200
Two continental plates colliding cause...
mountains
200
Which part of the Earth is most likely liquid iron and nickel?
Inner Core
300
What type of boundary is it when new crust forms?
Divergent Boundaries
300
When one plate goes under another plate when they collide
subduction
300
TRUE OR FALSE
An index fossil is found in many rock layers at the same location.
False
300
What type of boundary is found in Los Angeles that causes frequent earthquakes
Transform Boundaries
300
The hottest layer of the eart
Inner Core
400
What type of boundary is it when two plates slide past each other?
Transform Boundary
400
What causes plates to move?
Convection Currents
400
What is a mass extinction?
When most of life dies within a time period
400
What type of plate boundary interaction caused the Himalayan Mountain Range (Himalayas)
Convergent boundaries
400
The thinnest layer of the earth
The crust
500
What type of boundary is it when two continental plates move away from one another?
Divergent Boundary
500
Broken parts of lithosphere that carry continents and oceans
What are plate tectonics?
500
Which layer contain the index fossil?
Layer C
500
What is the result of an underwater earthquake?
Tsunami
500
Where Convection Currents are
The mantle