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

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NGSS.HS-ESS1-2

The universe is EXPANDING! This means that:

• all of the galaxies are spreading out or MOVING APART.

• the universe must have started from a many points around the universe.

• the universe is getting HOTTER

• all of the above.

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NGSS.HS-ESS1-2

Galaxies that are REDSHIFTED are:

• actually BLUE

• really NEAR earth

• invisible or not visible

• moving AWAY from us.

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NGSS.HS-ESS1-2

If something that makes light is moving AWAY from you, it spreads the wavelengths of light out. This application of the Doppler effect is known as ___.

• blue shift

• green shift

• red shift

• black shift

Tags

NGSS.HS-ESS1-2

A DATE that is commonly accepted by Big Bang theorists for the Big Bang is ____ years ago.

• 100,000

• 250 million

• 13.8 billion

• 10 trillion

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NGSS.HS-ESS1-2

Most distant galaxies show a RED SHIFT. This is considered EVIDENCE that the universe is ___.

• getting cooler

• expanding

• condensing into a small point

• swirling around

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NGSS.HS-ESS1-2

A galaxy showing BLUE SHIFT is ___.

• very cold

• moving TOWARDS OR TO us

• dying

• about to supernova

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

The CMB (Cosmic Background Radiation) is:

• the remaining energy from the big bang.

• incredibly cool.

• a cloud of light

• only located in certain places in the universe.

Tags

NGSS.HS-ESS1-2

How is the "Big Bang" described?

• an explosion

• an expansion

• a contraction

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NGSS.HS-ESS1-2

Which of the following is EVIDENCE for the Big Bang Theory?

• similar composition of Earth and the Moon

• stars appear to move

• cosmic background radiation

Tags

NGSS.HS-ESS1-2