Earth Science Exam Review

Which stellar classification is expressed using Roman numerals?

Which of these contains the largest crystals, usually interlocking?

How does water temperature, pressure, & density change as you ascend from ocean floor 2 surface

The most abundant salt found in ocean water is

About what percentage of the earth's surface is covered by oceans?

Which of these would be best for calculating the distance to a very dim, distant star?

The universe is immense because it

Fossil fuels do not include

Hipparchus created the first system for assigning numbers to the magnitudes of stars.

Globular star clusters are held together by gravity, but open clusters are not.

The sun's surface exists in what state of matter?

Which of the following substances commonly contain fossils?

Developed system to name stars using Greek letters & Latin forms of stars' constellation names

what two factors are used as the axes to plot stars on the Herzsprung-Russell diagram?

All constellations are asterisms but not all asterisms are constellations.

Igneous rocks like granite & basalt are often used for statues & buildings because they

A spectrum of visible light that consists of narrow lines of distinct colors is a(n)

Planetary nebulas, white dwarfs, and neutron stars

Stellar parallax is a method astronomers may use to determine a star's ________ from the earth.

Astronomers believe that most of the stars in our galaxy are eclipsing binary stars.

Christians who want to become astronomers should probably look for some other kind of work.

Global mean sea levels are currently

How much mineral salt does 100 g of seawater contain?

A star's real motion is its motion across the sky among background stars as seen from Earth.

The grain size of glassy rocks like obsidian is

An overwhelming majority of fossils are

Which of these shows the most likely order of development for these materials?

The largest galaxies known are elliptical galaxies.

What do pulsars and quasars have in common?

What are declination and right ascension used for?

Sound travels in seawater

A star that had a diameter 100 times larger than our sun would be called a giant.

The individual rock particles, crystals, & sometimes fossils that give a rock its texture

Which of these statements does not apply to most galaxies?

A star's real motion, as seen from Earth, is a combination of proper motion & ________ motion.

The alpha-named star of a constellation must be the brightest star according to Bayer's system.

Methane, ethane, and propane are different forms of

Coral reefs are formed from

Which of these statements is not true concerning apparent magnitude?

Nearly half of the electrical power plants in the United States use this fuel.

Which of the following gases is more abundant in lighted zones near the surface?

According to their apparent magnitudes, which of the following stars is the brightest?

The Hubble Space Telescope is useful because it

Rock that has changed due to hear or pressure during its existence is a(n) ___ rock.

In what part of the sun are thermonuclear reactions believed to occur?

The sun is composed mostly of

A low-mass star has less mass than our own sun.

Which ocean covers the largest percentage of the earth's surface?

When water is described as potable, it is

This galaxy shape is

According to Genesis 1:14, God created the stars to

Which step would come between deposition & cementation in the formation of a sedimentary rock?

According to young-earth geologists the original igneous rocks

Some black holes formed at universe's beginning & others are remnants of supernovas.

Charles Messier's plan when cataloging and naming the nebulas was to

A light-year is larger than a parsec.

In general, seawater temperature ___ from surface to bottom.

The actual brightness of a star is its __________ magnitude.

This forms when large waves first break and drop sand.

As a yellow dwarf, the sun lies on the main sequence of the Hertzsprung-Russell diagram.

An astronomical unit is defined as the distance between the

Stellar parallax is a form of apparent motion displayed by a star.

Which of the following properties is NOT a characteristic of a quasar?

Which of the following is in the correct order from smallest to largest area of coverage?

Name one Old Testament book that mentions one or more constellations by name.

This galaxy shape is

What is the primary value of Cepheid variables to astronomers?

What is the name for the study of fossils?

Many nebulas that we see in the night sky are actually galaxies.

The mathematical model that approximates the earth's average surface elevation is called the

The Milky Way is

Petrified wood forms by a process called

The term brackish is most closely related to the _____ of a sample of water.

A type of rock that is so smooth & shiny that it is called volcanic glass

Which of the following does not belong with the others?

This is a type of rock that is often light enough to float in water

Which pair of elements makes up the bulk of most stars, including our sun?

Rocks formed from bits & pieces of eroded rocks

This galaxy shape is

The distance that light travels in a year is a(n)

A(n) __________ is a cloud of gas or dust that can be seen against a background of stars.

Astronomers classify the sun as a largish, yellow __________ star.

What was most likely formed from runoff from the continents late in the Flood?

Which of these extends farthest out into the ocean?

When an astronomer first observes two stars close together in the sky, he can be sure that they