ES Test- Big Bang Theory and Galaxies

Which elements are most

abundant in the visible

universe?

• Helium and Carbon

• Carbon and Oxygen

• Hydrogen and Oxygen

• Hydrogen and Helium

Galaxies that are redshifted are:

• actually blue.
• really far away.
• invisible.
• moving away from us.

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 choices

The universe is ____________ years old.

• 8.13 billion
• 13.7 billion

• 1.83 billion
• 381 million

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

350,000 years after the big bang, gravity pulled all the hydrogen atoms into big balls of gas that ignited under pressure, creating the first __________.

• Stars

• Planets

• Amoebas

• Light

How does the abundance of hydrogen and helium support the Big Bang Theory.

• Hydrogen and helium are elements on the Periodic Table

• Hydrogen and helium are in the same ratio throughout the universe.

• Hydrogen and helium have many current uses today

What were the original two elements in our universe?

• Lithium and Carbon
• Hydrogen and Neon
• Helium and Chlorine
• Hydrogen and Helium

Where is the center of the universe located?

• There is no center of the universe.

• At the center of the Milky Way galaxy.

• 14.5 billion light years away from Earth.

• In a large singularity near the Andromeda Galaxy.

Which of the following is NOT true about the Big Bang Theory?

• It is the scientific explanation of how life began on Earth and evolved over time.
• It is the scientific explanation for the origin of the universe.
• It states that the universe expanded from a single point and is still expanding today.
• It states that the universe used to be much hotter and smaller.