Plate Tectonics

Earth's ________ is broken into separate sections called plates.

• Mesophere
• Lithosphere
• aesthenosphere

____________ is the geological theory that states that pieces of Earth's lithosphere are in constant, slow motion, driven by convection currents.

• Continental Drift
• Plate Tectonics
• Pangea

The theory of plate tectonics explains the formation, movement and _______ of Earth's plates.

• convection
• subduction
• submersion

The plates float on top of the __________________________. 

• lithosphere
• mesophere
• asthenosphere

_______ are breaks in Earth's crust where rocks have slipped past each other- form along these boundaries.

• Quakes
• Faults
• Volcanoes

There are ____ types of plate boundaries.

• 1
• 2
• 3

The plates move at fast speeds.

• true
• false

Transform boundary is where 2 plates slip past each other.

• true
• false

Where 2 plates move apart.

• divergent boundary
• transform boundary
• convergent boundary

Oceanic crust is less dense than continental crust. 

• false
• true