Exam 1: Understanding Earth: A Dynamic and Evolving Planet

Earth is considered dynamic because

Rocks belonging to the sedimentary group always consist of rock and/or mineral particles from pre-existing rocks.

Give a definition for the term "theory"as it is used in science.

With which type(s) of plate boundaries are earthquakes associated?

Sedimentary rocks may consist of particles of pre-existing sedimentary rocks.

Which of the following best summarizes Earth?

Volcanic eruptions are the source of all igneous rocks.

By how long ago had the early Earth formed?

Movement along plate boundaries results in earthquake and volcanic activity.

Subduction is associated with ______________plate boundaries

Plate tectonic theory is considered a unifying theory because it

Among earth's natural resources,______________ and______________ are used in your home or were used to construct your home.

How is the rock cycle related to plate tectonics?

If global warming is occurring, it could potentially impact

The study of geology is not related to such contemporary issues as acid rain because it deals with timescales of millions and billions of years.

All Jovian planets consist of a small rocky core surrounded by thick layers of frozen, liquid and gaseous materials.

The lithosphere is comprised of which layer or layers?

Solar nebula theory explains the low mean densities of the Jovian planets and high mean densities of terrestrial planets.

Along which plate boundary types are metamorphic rocks formed?

The crust, the outermost layer of Earth, consists of