Dynamic Planet Quiz #2

Stratovolcanoes have explosive eruptions due to magma with high silica content and lots of _____

• dissolved gases

• low viscosity

• high iron content

Where are the oldest ocean crust rocks found?

• farthest from the mid-ocean ridge

• closest to the mid-ocean rtidge

• near hot spots

What is a convergent boundary?

• When two plates move away from each other.
• When two plates move toward each other.

Many earthquakes happen along the borders of...

• Countries

• Tectonic Plates

• Climate Zones

• None of the above.

The huge pieces of the earth's lithosphere are called ____________________________.

• crust

• plates

• directions

• seismos

The mechanism that moves continents is based on heat energy moving by

• Radiation in the core
• Conduction in the lithosphere
• Convection in the Asthenosphere
• None of these options is true

Scientists think that convection currents flow in Earth's

• continents
• mantle
• lithosphere
• inner core.

Both volcanoes and earthquakes occur most often along divergent and convergent plate boundaries.Do they also both occur along transform boundaries?

• yes

• no

What metal ore deposits in our Upper Peninsula formed on the bottom of an ancient sea when North America almost split apart along a divergent plate boundary?

• aluminum

• copper

• tin

In addition to forming ore deposits, the ancient failed rift also caused undersea volcanic eruptions. Evidence for this can be found along highways near Marquette in the basalt ___ that formed as lava erupted into the ancient seas.

• cinder cones

• pillow lavas

• shield volcanoes