Layers of Earth
Compositional layer of the Earth is dense solid mostly made of nickel and iron- BE SPECIFIC!
What is the inner core?
Most divergent boundaries lie under the world's oceans. This landform is created at divergent boundaries
What is a rift valley, mid-ocean ridge, sea-floor spreading?
Scientists think continents were once a large single landmass that broke apart and then the continents slowly DRIFTED to their present locations.
What is continental drift?
Three types of faults.
What are normal, strike-slip, and reverse faults?
Convection currents take place in this layer of the Earth
What is the mantle?
Subduction is one plate pushing underneath another plate. If an oceanic plate and a continental plate collide, this one will push underneath the other one.
What is the oceanic plate?
The forces that cause plates to move toward, away, and past each other
What are convection currents?
This type of forces destroys and harms the Earth
What is a destructive force?
Going from inner layer to outer layer, name the 3 MAIN compositional layers.
What is the core, the mantle, and the crust?
The natural disaster that occurs when two plates slide past each other and release a burst of energy.
What is an earthquake?
This formation is created at a subduction zone between an oceanic and continental plate.
What is a deep-ocean trench?
What you feel after the initial earthquake
What is an aftershock?
The LESS dense of the two types of crust
What is continental crust?
Two plates interacting creating a mountain
What is a continental-continental convergent boundary?
When a plate is pulled under another plate.
What is subduction?
A volcano that builds new land is this type of force.
What is a constructive force?
This physical layer is divided into pieces called tectonic plates.
What is the lithosphere?
The edges of plates meeting a line.
What is a plate boundary?
Breaks in the Earth's crust
What are faults?
Waves that carry energy of an earthquake away from the focus
What are seismic waves?
Two types of landforms are created at a divergent boundary
What are Mid-ocean ridge, rift valley, sea-floor spreading, underwater volcanoes.