Exam 8: Earth From the Inside Out

_____ and silicon are the two most common elements in Earth's crust.

Regions of low-lying igneous and metamorphic rocks resistant to weathering and form the basis for continent building since ancient times are known as:

A rock that is dark-colored and heavy is most likely composed of:

The photos below show four common materials. Which material is not considered a mineral because it forms by organic processes? .

Sedimentary rock is the parent rock for all rock types.

South America and Africa was the only example that Wegener used for continental fit.

The photographs below show an outcrop and close-up view of a particular kind of rock. What type of rock is it and what holds this type of rock together? Also explain how such a rock might form.

Which of the following clast sizes would be most likely transported in very fast moving water?

The area of the Earth's interior where rocks start to melt, when subducted, is known as the asthenosphere.

What evidence did Wegner use to support the existence of Pangaea?

___________ divides most ocean basins roughly in half.

Oceanic crust is generally much older than continental crust.

Silicon is one of the most abundant element in Earth's crust.

Metamorphic rock may form from preexisting metamorphic rock.

Igneous rocks form from the cooling and solidification of magma. Sample (A, B, or C)_____ has formed by this process.

Which of the following is a class of sedimentary rock?

Any one of the three types of rocks can be changed into any other class.

Which sample is an example of an igneous rock?

When small pieces of rock are weathered, transported, deposited, and cemented, which of the following can be created?

The process in which the sea floor separates and moves in opposite directions is known as _______.