EARTH SCIENCE REVIEWER

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 is slowly coming back to a center.

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

• 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.

  HIDE ANSWER

What were the original two elements in our universe?

• Hydrogen and Lithium

• Helium and Hydrogen

• Helium and Oxygen

• None of the above

What is the name of the galaxy in which Earth is located?

• Milky Way

• Whirlpool

• Andromeda

• Big Band

What type of galaxy is the Milky Way galaxy?

• 
• 
• 
• 

Which of the following statements best describes a galaxy?

• A system of planets with an elliptical orbit

• A cloud that produces stars

• A giant nuclear reactor held together by gravity

• A system of gas, dust and billions of stars held together by gravity

What is an interstellar cloud of dust and gases where stars can form?

• universe

• galaxy

• solar system

• nebula

What is the another name for a a meteoroid that burns up as it passes through the Earth's atmosphere?

• comet

• asteroid

• shooting star

• meteoroid

What is the difference between the inner planets and the outer planets?

• The outer planets are smaller than the inner planets

• The outer planets have more rocks than the inner planets

• The inner planets are smaller than the outer planets

• The inner planets are heavier than the outer planets

Venus is called Earth's twin because they are about the same size

• TRUE

• FALSE

The gas giants are different from the terrestrial planets because they

• have smaller atmospheres

• have larger atmospheres

• are less dense

• are more colorful