4.1 plate tectonics

Open Ended

Why is the study of plate tectonics significant for understanding Earth's systems and resources?

Multiple Choice

Which layer is the thinnest?

• crust

• mantle

• outer core

• inner core

Multiple Choice

Which layer is solid and made of iron and nickel?

• crust

• mantle

• outer core

• inner core

Multiple Choice

Which layer of Earth is characterized by rock that is plastic, or soft enough to flow?

• asthenosphere
• crust
• lithosphere
• inner core

Multiple Choice

The solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle

• Lithosphere
• Mesosphere
• Mantle
• Crust

Multiple Select

Which of the following are considered evidence for continental drift?

• Ancient rock assemblages

• Fossil locations

• Volcano formation

• Ocean currents

Multiple Choice

Which process causes hot, less dense rock to rise from the Earth's core and then sink as it cools?

• Subduction

• Convection current

• Plate movement

• Volcanism

Multiple Choice

Which type of plate boundary is formed when two plates move away from each other?

• Divergent boundary

• Convergent boundary

• Transform boundary

• Subduction zone

Multiple Choice

Which plate boundary is most likely to result in the formation of a trench and volcanic arc?

• Divergent boundary

• Convergent boundary

• Transform boundary

• Passive margin

Multiple Choice

This type of convergent boundary creates mountain Chains

• Continental-Continental

• Continental-Oceanic

• Oceanic-Oceanic

Multiple Choice

Rift valleys are formed by _______ plate boundaries

• Continental-Continental Divergent

• Continental-Continental Convergent

• Oceanic-Oceanic Divergent

• Oceanic-Oceanic Convergent

Multiple Choice

Mid Ocean ridges are formed by ___________________________ plate boundaries

• Convergent

• Divergent

• Transform

Open Ended

Explain how hot spots can lead to the formation of island arcs such as the Hawaiian Islands.

Multiple Choice

Which of the following statements about the Ring of Fire is correct?

• It is an area with frequent earthquakes and volcanoes around the Pacific Plate.

• It is a region in the Atlantic Ocean with many volcanoes.

• It is a zone where only earthquakes occur.

• It is a boundary between the Eurasian and African Plates only.

Multiple Select

Select all the correct statements about earthquakes and the Richter scale.

• Earthquakes are measured on the Richter scale.

• The Richter scale is logarithmic, increasing by a factor of 10 per unit.

• Earthquakes only occur at plate boundaries.

• A magnitude 6 earthquake is 100 times more intense than a magnitude 4.

Multiple Choice

Which of the following plate boundaries can result in the creation of mountains, island arcs, earthquakes, and volcanoes?

• Convergent boundaries

• Divergent boundaries

• Transform boundaries

• Hot spots