Layers of the Earth
Solid rock that makes up Earth's outermost layer
Crust
Tall landforms that rise at a peak.
Mountains
A high landform with a flat top.
Plateau
A sudden shaking of Earth's crust.
Earthquake
An opening in Earth's crust though which gases and melted rock move.
Volcanoes
Sphere of solid material at Earth's center, the hottest part, probably iron, solid because of the great pressure.
Inner core
Steep slope to the ocean floor.
Continental slope
The vibrations caused by earthquakes.
When earthquakes occur under that water they form huge waves called...
Volcanos often form near plates' edges.
True or false?
True
A layer of rock below the crust that can move or change shape with pressure and high temperatures.
Mantle
Gently sloping from beach into ocean.
Continental shelf
A machine that detects and records earthquakes.
Seismograph
A mountain that builds up around an opening in Earth's crust.
Volcano
Volcanos form over _______________, which are thin places in the Earth's crust.
Hot spots
Liquid layer below the iron.
Outer core
Underwater mountains.
Ocean ridge
A long narrow crack in the crust where plates slide.
Fault
Name three natural disasters that could happen in Pennsylvania.
Thunderstorms, hurricane, blizzard.
Melted rock called _________ is forced to a volcanoes' opening, which comes out as _________, along with gasses and ash.
Magma/lava
Name the layers of Earth from outermost to innermost.
Crust, mantle, outer core, inner core.
Where a river enters an ocean and deposits debris.
River delta
A bend in the rock layers that happens when plates meet at edges of continents and "scrunch"
Fold
Which country is most affected by tsunamis?
Japan
This state was formed by volcanoes continually erupting in the ocean that formed mountains over time.
Hawaii