REVIEW QUIZ FOR PRELIM EXAM IN EARTH SCIENCE

What were the original two elements in our universe?

• Hydrogen and Lithium

• Helium and Oxygen

• Helium and Hydrogen

• None of the above

What were the original two elements in our universe?

• Hydrogen and Lithium

• Helium and Oxygen

• Helium and Hydrogen

• None of the above

What is the big bang theory?

• A theory that states that the universe started in a large mass and then imploded to form everything.

• A theory that states that the universe was there, will be and is there. Is homogeneous and isotropic.

• A theory that states that the universe is slowly coming back to a center.

• A theory that states that the universe started in a small mass and then expanded, the expansion cooled down the temperature and that resulted in the formation of matter, energy, space and time.

Light emitted from a star or galaxy can be separated into a band of colors, called a ________.

• Red Shift

• Wave Length

• Spectrum

• Microwave

The universe is expanding!  This means that:

• all of the galaxies are spreading out.
• the universe must have started from a single point.
• the universe is cooling down.
• all of the above.

Place these objects in order from smallest to largest.

• Planets, solar system, universe, galaxy
• Solar system, planets, galaxy, universe
• Planets, solar system, galaxy, universe
• Galaxy, solar system, planets, universe

How were constellations originally named and identified?

• by their brightness

• by their distance from the Earth

• Longitude and latitude

• By the patterns they form in the sky

Scientist that developed the law of universal gravitation

• Albert Einstein

• Georges Lemaitre

• Edwin Hubble

• Sir Issac Newton

First Scientist to to present observational evidence that supported that the universe is expanding. (aka... red shift)

• Edwin Hubble

• Albert Einstein

• George Gamow

• Georges Lemaitre

What is unit of length equal to the distance that light travels through space in one year.

• light year

• speed of light

• galaxy

• solar mass