Big Bang Theory Reading

According to the Big Bang theory, how did the universe begin?

• From a single point billions of years ago

• From multiple points simultaneously

• From a collision of galaxies

• From a gradual expansion of space

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NGSS.HS-ESS1-2

Explain how the Doppler shift is related to the movement of galaxies.

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Analyzing

The universe is estimated to be ___ billion years old.

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NGSS.HS-ESS1-2

What is the role of dark energy in the universe's expansion?

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Understanding

As galaxies move away from Earth, their light is shifted towards which end of the electromagnetic spectrum?

• Red

• Blue

• Green

• Yellow

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NGSS.HS-ESS1-2

Describe the process by which stars and galaxies formed after the Big Bang.

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Analyzing

The phenomenon where light from galaxies is stretched as they move away from Earth is known as the ___ shift.

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NGSS.HS-ESS1-2

NGSS.HS-PS4-1