Earth Science Ch. 4

Catastrophists do not believe in the principle of uniformity.

Applying current scientific events to the past or future is called operational geology.

Which scientist introduced uniformitarianism?

What discontinuity separates the crust from the mantle?

Which region makes up the most of earth's volume?

What percentage of earth's volume does the mantle occupy?

We do not have any good methods for preserving nonrenewable resources in present day.

All scientists believe the world is regular.

The earth is near the center of the Milky Way galaxy.

Why do scientists think the outer core is liquid?

A natural resource is any raw, non-living material that we use from the environment.

What do we call a potential resource when it is being used?

Earth is one of seven planets with a transparent atmosphere.

What percentage of earth's volume does the core occupy?

The sun is an unusually stable star.

The earth's spin axis is perpendicular to its orbital plane.

Liquid, frozen, and boiling water all support life.

The earth's tilt is

The core is made up of

What is the best method for studying the earth's interior?

Uniformitarianism is the belief that earth forming processes are natural and have always been the same.

What causes seasons?

The earth's magnetic field shields us from

Earth's gravity is just right for

What protects the earth from comets?

People who hold the "deep time view" believe the earth is

Which of the following is a biological resource?

Only half the planets in our solar system have solid surfaces.

Tectonic plates are found in the earth's

Rocks, minerals, and sediment being observed for present events is an example of

Historical geology depends largely on

What region contains the asthenosphere?

The lithosphere moves with the crust.

The crust is thicker under ocean basins.