Big Bang / Solar System

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

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 above.

The Cosmic Background Radiation is:

• the remaining energy from the big bang.

• incredibly hot.

• visible to the human eye.

• only located in certain places in the universe.

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

Which is the largest object in our solar system?

• Sun
• Jupiter
• Earth
• Pluto

A _____________ is a system of billions of stars and all of the planets that orbit around them.

• Solar System

• Galaxy

• Universe

• Planet

According to the ________________, all of the matter and energy in the Universe was once condensed into a single, incredibly dense point, which then exploded and began to expand in all directions.

• Steady State Theory

• Big Bang Theory

• Cosmology

• Hubble's Law