Show:
Plate Boundaries
Volcanoes and Earthquakes
Soil
Earth
Vocabulary
100
Divergent
What plates move apart from each other
100
Vent
What is the opening at the top of the volcano
100
sediment
What is dirt, sand, rock and decaying plants called
100
Crust
What layer of the earth do we live on
100
magma
What is hot fluid rock below the earth's surface called
200
Convergent
What plates collide or crash into each other
200
fault
What is a break or crack along the tectonic plates
200
humus
What is decayed plants and animals in the soil
200
mantle
What layer is beneath the crust
200
moraine
What is the sediment that forms in front of or along the sides of a glacier
300
Transform
What plates pass each other
300
Focus
The point below the earth where the earthquake begins
300
erosion
When sediment is moved from one location to another
300
outer core
Which layer of the earth is liquid
300
seismic wave
What is a vibration that travels through the earth and causes earthquakes
400
magnitude
The measure of energy released during an earthquake
400
weathering
When rock is broken down
400
inner core
Which layer of the earth is a very hot solid and made mostly of nickle
400
absolute age
What is the rock layer's age in years
500
subduction
What is it called when an ocean plate collides and slides under a continental plate
500
epicenter
The location on the surface that is directly above the focus of an earthquake
500
deposition
When sediment is dropped to a new location
500
lithosphere
What is the crust and top section of the mantle called
500
relative age
What is a rock layer's age compared to other rocks