Big Bang

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

Which statement is true?

• The galaxies are moving toward us.

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• None of the above

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

• Red Shift

• Wave Length

• Spectrum

• Microwave

How old do scientists think the Universe is?

• 13.8 billion years old
• 4.5 billion years old
• 24,000 years old
• 5 years old

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

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.

Which elements are most

abundant in the visible

universe?

• Hydrogen and Carbon

• Carbon and Helium

• Hydrogen and Oxygen

• Hydrogen and Helium

The only elements in the universe were hydrogen and helium until:

• the big bang.
• humans came along.
• stars began doing fusion.
• the redshift was discovered.

What is true about these two galaxies?

• The Sombrero Galaxy is closer to us.
• The Pinwheel Galaxy is moving away from us more slowly.
• The Pinwheel Galaxy is moving towards us.
• The Sombrero Galaxy is not moving.