8.9B Plates

The type of plate boundary where two plates come together is a .....

• Convergent Boundary
• Divergent Boundary
• Transform Boundary
• Plate Boundary

Which of the following causes Earth's tectonic plates to move?

• Energy from the Sun
• Magnetic Pole Reversal
• Convection currents in the mantle
• Faults in Mountain Ranges

What type of plate boundary is this?

• Plate
• Divergent
• Convergent
• Transform

What type of event will occur at this boundary?

• Earthquake
• Volcano Eruption
• Tornado
• Mountain Building

A divergent boundary occurs when plates ....

• Pull apart
• Come together
• Slide past each other
• subducting

Oceanic Trenches are formed by _______ plate boundaries

• Convergent
• Transform
• Plate
• Divergent

A fault is formed by the movement of a __________ plate boundary

• Transform
• Convergent
• Divergent

Islands can from from magma which is pushed up at a __________ plate boundary

• Divergent
• Convergent
• Transform

Where would the oldest rock be found?

• L
• M
• N
• O

How is it possible for new crust to be formed without increasing the surface area of the Earth?

• Crust is destroyed at the same time it is created
• New crust is underwater where it sinks
• New crust breaks more easily than old crust