Chapter 5

What types of plate boundaries are shown in this figure?

Why does the Tibetan Plateau, shown in this figure, have a high elevation?

Island chains and seamounts cross parts of the ocean floor. These oceanic islands and associated seamounts are

Island chains and seamounts cross parts of the ocean floor. These oceanic islands and associated seamounts are

Correctly complete this sentence using the numbers provided.

A continent has an oceanic trench offshore of its coast. Which of the following is probably NOT present along this side of the continent?

How is magma created in a subduction zone?

What setting has the thinnest cover of sediment in the oceans?

Which data were used to develop the hypothesis of continental drift?

What causes magnetic stripes on the seafloor, such as those shown here?

What type of plate boundary is depicted in this figure?

How fast do plates move relative to one another?

Continental hot spots are typically marked by

On the accompanying figure, which letter is likely over oceanic crust that is similar in age to that beneath letter E?

What type of plate boundary is depicted in this figure?

Intense geologic activity occurs at plate

Select the statement that best describes how the process of plate tectonics circulates materials between the asthenosphere and the lithosphere.

In what setting does the thickest sediment accumulate in the oceans?

Cracks and steps that cross the seafloor and run at right angles to mid-ocean ridges are called

This figure shows a northwest-southeast line of islands and seamounts near Hawaii. If location 3 has the oldest rocks and Hawaii (1) has the youngest rocks, which way is the plate moving with respect to the hot spot?

A convergent plate boundary is most likely associated with a(n)

Hot spots form linear island chains because

This figure depicts what type of boundary?

The deepest parts of the seafloor are

Most oceanic islands and seamounts are

An oceanic transform plate boundary is most likely associated with a(n)

Which of the following features is associated with a deep oceanic trench?

What occurs at mid-ocean ridges?

Harry Hess and Robert Dietz proposed that the oceanic crust in the Atlantic Ocean was spreading apart at the Mid-Atlantic Ridge and that this process moved the continents apart from one another. They called this process

Which way are the plates moving in this figure?

The process of one plate sliding beneath another plate is called

The Earth's magnetic field is generated by

A divergent plate boundary is most likely associated with a(n)

How did the Red Sea, shown between Arabia and Africa in this figure, form?

At mid-ocean ridges, as two plates diverge,

In this figure of Japan, what do the offshore trenches indicate?

Complete the sentence with the correct phrase.

On a map showing the age of the seafloor, why are the patterns symmetrical in the Atlantic Ocean but not the Pacific Ocean?

Most oceanic plateaus are

A force that is important in driving plate tectonics is

Complete the sentence with the correct phrase.

On this map of the south Atlantic, why is the mid-ocean ridge in the center of the ocean?

Which area(s) on this world map is (are) likely to have volcanoes above sea level?

The convergence of two continental masses is known as a(n)

Magnetic patterns develop on the seafloor as basaltic lava erupts and cools, and

Some continents continue outward from the shoreline under shallow seawater, forming submerged benches called

On the accompanying figure, which letter is over the oldest oceanic crust?

Correctly complete this sentence using the words provided.

The plate boundary on the this figure is located between:

Correctly complete this sentence using the numbers provided.

The main reason why the hypothesis of continental drift was not widely accepted was

If a magnetic stripe is 120 km wide and formed over 4 m.y., what would the rate of seafloor spreading be?

Which of the following parts of the seafloor are the shallowest?