Big Bang Theory Flashcard

Front

What is the Big Bang Theory?

Back

The Big Bang Theory is the leading explanation about how the universe began, stating that it started from a singular point and has been expanding ever since.

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NGSS.HS-ESS1-2

Front

What is the age of the universe?

Back

The universe is approximately 13.8 billion years old.

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NGSS.HS-ESS1-2

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What is Red Shift?

Back

Red Shift is the phenomenon where light from an object moving away from us shifts to longer wavelengths, indicating that the object is receding.

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NGSS.HS-ESS1-2

NGSS.HS-PS4-3

Front

What does the Doppler Effect describe?

Back

The Doppler Effect describes the change in frequency or wavelength of a wave in relation to an observer moving relative to the wave source.

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NGSS.HS-PS4-1

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Why are Hydrogen and Helium important in the context of the Big Bang?

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Hydrogen and Helium are important because they were the first elements formed after the Big Bang.

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NGSS.HS-ESS1-2

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What is a Scientific Theory?

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A Scientific Theory is an explanation of something that happens in nature, supported by results from many tests and experiments.

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NGSS.HS-PS1-2

Front

What evidence supports the expansion of the universe?

Back

The evidence that supports the expansion of the universe includes the observation of Red Shift in light from distant galaxies.

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NGSS.HS-ESS1-2

Front

What is the significance of the Cosmic Microwave Background Radiation?

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The Cosmic Microwave Background Radiation is the afterglow of the Big Bang, providing evidence of the universe's early hot and dense state.

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NGSS.HS-ESS1-2

Front

What role do galaxies play in understanding the universe?

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Galaxies are essential for understanding the universe as they contain stars, planets, and other celestial bodies, helping us study cosmic evolution.

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NGSS.HS-ESS1-2

Front

What is the relationship between galaxies and the Big Bang?

Back

Galaxies formed from the matter that was created during the Big Bang, and their distribution helps us understand the universe's expansion.

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