big bang theory review

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 only elements in the universe were hydrogen and helium until:

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

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

Our theory of the universe was confirmed by the discovery of:

• fusion.
• cosmic microwave background radiation.
• the Andromeda galaxy.
• the Doppler effect.

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NGSS.HS-ESS1-2

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

The most abundant element in the universe today is:

• water
• hydrogen
• oxygen
• carbon

Tags

NGSS.HS-ESS1-2

The greater the redshift:

• the faster the galaxy is moving.
• the shorter the light waves.
• the bigger the galaxy.
• the closer the galaxy.

Tags

NGSS.HS-ESS1-2

What best describes the doppler effect?

• An apparent change in frequency of a wave due to the relative motion between a wave source and an observer

• When sound changes pitch

• When light changes color

• An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.

Tags

NGSS.HS-PS4-1

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low

• high, high

• low, high

• low, low