Earth has 4 layers: crust, mantle, outer core, inner core. Which ones form the lithosphere?
Mantle and outer core
What is the name of the sections or blocks that conform the lithosphere?
Plates
The plates under the ocean are called
Oceanic plates
The plates under continents are called
Continental plates
The place where two plates meet is called
Boundary
What can occur at plates boundaries?
Earthquakes occur, volcanoes erupt or mountains form.
What are convergent boundaries?
When 2 plates come together and push against each other. One is forced upward and the other downward, causing mountains and volcanoes to form.
How are islands form?
When convergent ocean plates meet.
What are divergent boundaries?
When 2 plates move away from each other and the lithosphere breaks apart. The space sinks and forms a valley.
A shaking of Earth's surface caused by sudden release of energy in Earth's crust.
Earthquake
Place INSIDE Earth where energy is released first, starting an earthquake.
Focus
Place on Earth's SURFACE directly above focus is called
Epicenter
Which plates movements may cause an earthquake?
Plates pushing together, plates sliding each other or plates pulling apart.
What measures the Richter scale?
The amount of energy released. It goes from 1 to 10.
Earthquakes are usually destructive forces, but they may be constructive as well. Which landforms can they form?
Mountains and lakes
What is a tsunami?
It is a large ocean wave caused by an earthquake or volcanic eruption underwater.
