8th Grade Final Exam Practice

A student records observations about two different layers of the Earth as shown in the table.

What do Layers 1 and 2 represent?

• Layer 1: asthenosphere; Layer 2: continental crust

• Layer 1: continental crust; Layer 2: lithosphere

• Layer 1: asthenosphere; Layer 2: lithosphere

• Layer 1: lithosphere; Layer 2: asthenosphere

Name this boundary

• Convergent
• Divergent
• Transform
• Sergent

Name the boundary

• divergent
• convergent
• transform
• sergent

Which of the following is where one plate slides under another plate?

• submarine zone
• divergence zone
• subduction zone
• lower zone

Which of the following is associated with transform boundary?

• volcanoes
• mountains
• trenches
• earthquakes and fault line

Which of the following land formation occurs at a divergent continental/continental boundary?

• mid-ocean ridge
• deep ocean trench
• Pacific hot spot
• rift valley

Mountains form from....

• Plates sliding past one another
• collision of plates
• plates moving away from each other
• none of these

Created by a divergent boundary

• rocky mountain
• Mariana's Trench
• mid-Atlantic ridge
• volano

What type of boundary creates a new seafloor?

• convergent continental to continental
• convergent ocean to continental
• convergent ocean to ocean
• divergent 

A subduction zone is formed....

• when one tectonic plate sinks below another
• at all plate boundaries
• when plates diverge
• at transform boundaries