Big Bang Theory

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

• Spectrum (or spectral lines)

• Microwave

• Radiation

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

As galaxies move away from our galaxy

a shift on the electromagnetic spectrum is noticed. This phenomena is

called _____________.

• redshift

• blueshift

Tags

NGSS.HS-ESS1-2

The Big Bang Theory explains the formation of the...

• Earth

• Sun

• Universe

• Solar System

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NGSS.HS-ESS1-2

What does the Big Bang theory suggest?

• The universe was just there
• The Milky Way is the only solar system
• The universe is continually expanding
• The universe is collapsing in toward a single point

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

In relation to us, most galaxies are…

• Moving toward us

• Moving away from us

• Not moving

Tags

NGSS.HS-ESS1-2

The change in wavelength of light or sound that is due to the relative motion of the source towards or away from an observer. (like a star or a siren)

• Radar Effect
• Doppler Effect
• Light Effect
• Reflection

Tags

NGSS.HS-PS4-1

What is true about these stars?

• Both of these stars are moving away from us.

• Both of these stars are moving towards us.

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NGSS.HS-ESS1-2

What happens to the wavelengths of energy if they are moving AWAY from a source?

• The waves stretch out and get longer.

• The waves compress and get shorter.

Tags

NGSS.HS-PS4-1

According to the Big Bang Theory, what is happening to the size of the universe?

• The universe is expanding

• The universe is shrinking

• The universe is staying the same size

• The universe is becoming hotter

Tags

NGSS.HS-ESS1-2