Earth Science Practice Final Exam - Part 1

Which of the following is supporting evidence for the Big Bang theory?

• The formation of planets

• The heat and energy that comes from the Sun

• The amount of hydrogen and helium in the Universe

• The fossil evidence.

How does mass affect a star's life cycle?

• High mass stars will eventually become white dwarfs.

• Low mass stars are more likely to form black holes.

• High mass stars will fuse hydrogen faster.

• The greater a star's mass, the longer its life cycle.

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

As galaxies move away from our galaxy

a shift on the electromagnetic spectrum

(EMS) is noticed. This phenomena is

called _____________.

• redshift

• blueshift

• unshift

• blackshift

Which of the following is evidence of the Big Bang Theory?

• Cavemen heard a loud bang at the beginning of time.
• The universe isn't moving
• The universe is expanding
• The universe is getting smaller

The Sun produces energy by fusing hydrogen atoms into ____ atoms.

• Carbon

• Helium

• Iron

• Uranium

How does fusion in a star take place?

• A chemical reaction takes place that never stops.

• The nuclei of atoms are split, releasing energy.

• The atoms catch on fire and cause the star to light up.

• The nuclei of atoms fuse together and release a huge amount of energy.

Compared to the rest of the stars, our sun is considered...

• Extremely Large and Cold
• Small with a medium temperature
• Medium size with medium temperature

Red stars are the _____________.

• hottest
• coolest
• biggest
• brightest

Blue stars are the _____________.

• hottest
• coolest
• smallest