Plate Tectonics and Earth's Changes Quiz

What is the name of the theory that explains how continents move?

• Volcanic Eruptions

• Tectonic Shift

• Magma Movement

• Continental Drift

What did German scientist Alfred Wegener call the single supercontinent that he believed existed about 200 million years ago?

• Laurasia

• Rodinia

• Gondwana

• Pangaea

What evidence did Alfred Wegener use to support his theory of continental drift?

• Fossils of identical animals in South America and Africa

• Plant fossils in cold arctic regions

• Shoreline similarities between continents

• All of the above

What did scientists discover on the ocean floor that provided evidence for seafloor spreading?

• All of the above

• Underwater geysers

• Underwater mountain range

• Newly formed lava formations

What is the process called when the Earth's crust is cracked into tectonic plates?

• Plate Tectonics

• Seafloor Spreading

• Continental Shift

• Plate Drift

What is the average rate at which tectonic plates are moving?

• 1 to 2 inches per year

• 20 to 25 inches per year

• 5 to 10 inches per year

• 10 to 15 inches per year

What type of boundary occurs when two plates are moving apart?

• Convergent boundary

• Transform boundary

• Subduction zone

• Divergent boundary

Where do most volcanoes occur?

• Near divergent boundaries

• Near convergent boundaries

• Near transform boundaries

• All of the above

What causes the formation of mountains near convergent boundaries?

• Subduction

• Seafloor Spreading

• Hotspot activity

• Divergent boundaries

What evidence supports the theory of plate tectonics and continental drift?

• Earthquakes near plate boundaries

• Volcanoes near plate boundaries

• All of the above

• Formation of mountains near plate boundaries