5th grade Plate Tectonics / Landforms

The point directly above the focus of an earthquake is called an _____________________.

• epicenter
• jetties
• sinkhole
• earthquake

Which answer lists all processes that change landforms FAST?

• tree roots, flash floods, and chemical weathering
• blowing sand, freezing water, and chemical weathering.  
• flash floods, volcanoes, and earthquakes. 

A mountain that forms as molten rock flows through a crack onto Earth's surface.

• volcano
• lava
• landslide

Molten rock that flows from a volcano onto Earth's surface.

• river
• earthquake
• lava

This layer of Earth is the thickest part

• crust
• outer core
• mantle
• inner core

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

What does the theory of continental drift state?

• The continents were once joined in a super-continent and have moved over time
• Continents are stationary and do not move
• The Earth is broken into lithospheric plates that move due to convection currents
• none of the above

Who is the person credited with developing the theory of continental drift?

• Harry Hess
• Galileo
• Alfred Wegener
• Newton

What causes the plates to move?

• earthquake

• convection currents (heat)

• volcanoes

A transform boundary is when one plate...

• moves apart from another plate

• slides past another plate

• goes under another plate