Earth Science Ch. 4

Historical geology depends largely on

Liquid, frozen, and boiling water all support life.

What region contains the asthenosphere?

Earth's gravity is just right for

The sun is an unusually stable star.

Which of the following is a biological resource?

What causes seasons?

The lithosphere moves with the crust.

Why do scientists think the outer core is liquid?

Which scientist introduced uniformitarianism?

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

The crust is thicker under ocean basins.

Catastrophists do not believe in the principle of uniformity.

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

The earth's magnetic field shields us from

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

Tectonic plates are found in the earth's

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

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

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

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

Earth is one of seven planets with a transparent atmosphere.

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

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

The earth's tilt is

What protects the earth from comets?

What discontinuity separates the crust from the mantle?

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

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

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

All scientists believe the world is regular.

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

The core is made up of

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