THE BIG BANG

Most scientists believe the Big Bang Theory explains which of the following questions?

• How the sun turns hydrogen into helium

• How our universe began

• How fast light travels through space

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NGSS.HS-ESS1-2

Which statement is true?

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• The galaxies are moving toward us.

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NGSS.HS-ESS1-2

Which elements are most abundant in the visible universe?

• Carbon and Helium

• Hydrogen and Helium

As galaxies move away from our galaxy a shift on the electromagnetic spectrum (EMS) is noticed. This phenomena is called _____________.

• Blueshift

• Redshift

Light emitted from a star or galaxy can be separated into a band of colors, called a ________.

• Spectrum

• Wavelength

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NGSS.HS-ESS1-2

The universe is expanding! This means that:

• All of the galaxies are spreading out.

• The universe is cooling down.

• All of the above.

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NGSS.HS-ESS1-2

How long ago did the universe began?

• 13.7 Billion years ago

• 200 million years ago

• 3 minutes ago

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NGSS.HS-ESS1-2

Why do red-shifted light spectrums from neighboring galaxies indicate the universe is expanding?

• Red light has the longest wavelength on the visible light spectrum

• Red light has both long and short wavelengths on the visible light spectrum

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NGSS.HS-ESS1-2

The Big Bang Theory is the most widely accepted theory about the origin of the universe.

• True

• False

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NGSS.HS-ESS1-2

Most distant galaxies show a red shift. This is considered evidence that the universe is ___.

• Expanding

• condensing into a small point

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NGSS.HS-ESS1-2