Big Bang Theory and Galaxies

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

• fusion.

• cosmic microwave background radiation.

• the Andromeda galaxy.

• the Doppler effect.

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 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.

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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.

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NGSS.HS-PS4-3

NGSS.HS-PS4-4

The universe is ____________ years old.

• 8.13 billion

• 13.7 billion

• 1.83 billion

• 381 million

Tags

NGSS.HS-ESS1-2

An infinitely small, infinitely dense, and infinitely hot point that is believed to have existed before the big bang.

• Singularity

• Antimatter

• Little bang

• condensation nuclei

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NGSS.HS-ESS1-2

Hydrogen was the first element to be formed after the big bang, because...

• It is the simplest element

• the temperature at that time was just right for hydrogen

• It is used as fuel for stars

• it was chosen completely at random

Tags

NGSS.HS-ESS1-2

350,000 years after the big bang, gravity pulled all the hydrogen atoms into big balls of gas that ignited under pressure, creating the first __________.

• Stars

• Planets

• Amoebas

• Light

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NGSS.HS-ESS1-2

Which description is considered most accurate regarding what actually happened during the Big Bang?

• Two galaxies collided causing an immense explosion as stars crashed into one another

• All of what would become the universe was concentrated in a single small point, or singularity, which rapidly expanded into what is now stars, planets, galaxies, matter, and energy.

• All matter emerged from a massive black hole at the center of the universe.

• Parts of the sun were ripped off by massive internal explosions and were thrown into space where they cooled to become other things, like plants, comets, and other galaxies.

Tags

NGSS.HS-ESS1-2

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

• One hundred thousand

• Two hundred and fifty million

• Thirteen point seven billion

• Ten trillion

Tags

NGSS.HS-ESS1-2