ES Practice test1

A ________ is a well-tested and widely accepted view that best explains certain scientific observations.

The asthenosphere is actually a part of the ________ of the Earth.

Active mountain belts are most likely to be found ________.

• along the margins of continents

• in the interior regions of continents

• scattered throughout continents

• along only the eastern margins of continents

The continental shelf is located ________.

hypothesis theory fact observation

A scientific theory is a tentative or untested explanation that is proposed to explain scientific observations.

• True

• False

According to the nebular theory, all of the bodies in the universe evolved from a rotating cloud of gases and dust about five billion years ago.

• True

• False

The currently accepted age of Earth is approximately 4.5 million years.

• True

• False

List the two broad, traditional subject areas of geologic study.

Hazardous Earth processes such as volcanoes, tsunami, floods, earthquakes, and hurricanes are all ________ processes.