Big Bang Review

Two pieces of evidence for our current theory of the universe are:

• blueshift, CMB

• redshift, Andromeda galaxy.

• redshift, CMB

• doppler effect, moon landing

Tags

NGSS.HS-ESS1-2

Galaxies that are redshifted are:

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

Tags

NGSS.HS-ESS1-2

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.

Tags

NGSS.HS-ESS1-2

The CMB is:

• the remaining energy from the big bang.
• incredibly hot.
• visible to the human eye.
• only located in certain places in the universe.

Tags

NGSS.HS-ESS1-2

Light waves that are stretched out by objects moving apart:

• have a shorter wavelength.
• travel faster than the speed of light.
• are invisible.
• appear more red.

CMB stands for:

• Colorful Mystic Background Rehearsal.
• Cosmic Mini Butterfly Repellent.
• Cosmic Microwave Background Radiation.
• Cute Microwave Button Reversal.

Tags

NGSS.HS-ESS1-2

The universe is ____________ years old.

• 8.13 billion
• 13.8 billion
• 1.83 billion
• 381 million

Tags

NGSS.HS-ESS1-2

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.

Tags

NGSS.HS-ESS1-2

What is true about these stars?

• Both of these stars are moving away from us.
• Both of these stars are moving towards us.
• Both of these stars are blueshifted.
• The star Sirius is closer to us.

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

This is a picture of:

• The CMB.
• The Milky Way.
• The universe in the future.
• A redshifted star.

Tags

NGSS.HS-ESS1-2