Universe Review

The start of the universe is known as the

• Cosmic Burst
• Galactic Explosion
• Celestial Blast
• Big Bang

Tags

NGSS.HS-ESS1-2

It is theorized that the Big Bang might have occurred ______________ years ago

• 15.2 billion
• 10.5 billion
• 20.7 billion
• 13.8 billion

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NGSS.HS-ESS1-2

The universe started to expand, cool down, and eventually ________________formed.

• stars
• planets
• asteroids
• atoms

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NGSS.HS-ESS1-2

Gravity pulled atoms together, eventually forming

• cells
• stardust

• stars, clusters, and galaxies

• rings

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NGSS.HS-ESS1-2

One piece of major evidence for the big bang is microwave background radiation which is

• Residual heat from the initial explosion of the universe
• Radioactive decay remnants
• Cosmic dust particles
• Interstellar gas clouds

Tags

NGSS.HS-ESS1-2

Hubble's Law states that almost all galaxies are

• stationary
• moving towards each other
• changing shape
• moving away from each other

If galaxies move away from us, they will have an elongated wavelength, like

• yellowshift
• blueshift
• redshift
• whiteshift

Tags

NGSS.HS-ESS1-2

• If galaxies move towards us, the wavelength will be a short wavelength, like

• yellowshift
• blueshift
• redshift
• whiteshift

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

Our solar system approximately formed how long ago?

• 2.3 billion years ago
• 6.8 billion years ago
• 4.6 billion years ago
• 10.2 billion years ago

A large group of stars, star systems, stars clusters, dust and gas bound by gravity are called

• Galaxy
• Asteroid Belt
• Constellation
• Nebula

Tags

NGSS.MS-ESS1-2