Show:
Earthquakes
Volcanoes
Layers of the earth
Plate boundaries
Extra information
100
What causes earthquakes?
Tectonic plates push,pull,or slip past each other
100
Body of magma deep underground ________ _________
Magma chamber
100
Outer most layer of earth?
The crust
100
Earthquakes are a result of this boundary
Transform boundary
100
The process by which new oceanic lithospheric crust forms from rising magma.
Sea floor spreading
200
The ______ scale measures the strength of an earthquake
Richter
200
_________ volcanoes will never erupt again
Extinct
200
________ : strong, lower part of the mantle.
Mesosphere
200
A boundary in which plates MOVE APART ?
Divergent boundary
200
Volcanoes erupt at _________ boundaries, or ___-______ ridges
Divergent boundaries Mid-ocean ridges
300
How do earthquakes travel?
Seismic waves
300
Produces calm flows of lava
Non-explosive volcanoes
300
Liquid iron layer inside the earth?
Outer core
300
What are the three types of lithosphere plates?
(In any order) Continental-continental Continental-oceanic Oceanic-oceanic
300
_________ are volcanically active areas far from plate boundaries
Hot spots
400
The study of Earthquakes is called?
Seismology
400
Volcanoes are found at?
Tectonic plate boundaries
400
What are the 5 layers of Earth?
(Any order) 1. Lithosphere 2. Asthenosphere 3. Mesosphere 4. Outer core 5. Inner core
400
The boundary formed by the collision of two lithospheric plates.
Convergent boundary
400
_______ rebound leads to earthquakes.
Elastic
500
__ waves can travel through solids, liquids! and gases. __ waves can travel through solids and gases
P S
500
What type of volcano is this? A steep sided volcano formed by explosive eruptions.
Composite
500
_________ are used to calculate earthquakes below the surface of Earth
Seismographs
500
Fossils give us evidence of _________ drift
Continental
500
________ reversals support the idea of continental drift
Magnetic reversals