REVISED UNIVERSE/LAW OF CONSERVATION CBA REVIEW

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What is the HR Diagram?

Back

The Hertzsprung-Russell Diagram (HR Diagram) is a scatter plot of stars showing the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.

Tags

NGSS.HS-ESS1-3

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What type of star is Aldeberan?

Back

Aldeberan is an orange giant star that is brighter than the sun.

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What does the Big Bang Theory propose?

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The Big Bang Theory proposes that the universe began as a small point that expanded rapidly about 13.7 billion years ago.

Tags

NGSS.HS-ESS1-2

Front

What is an elliptical galaxy?

Back

An elliptical galaxy is a type of galaxy that has an ellipsoidal shape, contains billions of old stars, and has little dust or gas between them.

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What is a spiral galaxy?

Back

A spiral galaxy is a type of galaxy characterized by its spiral arms that extend outward from the center, containing young stars, gas, and dust.

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What is a red giant star?

Back

A red giant star is a late stage in a star's life cycle, characterized by a large size and a reddish color, often cooler than other stars.

Tags

NGSS.HS-ESS1-3

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What is a blue supergiant star?

Back

A blue supergiant star is a very large and hot star that is much brighter than the sun and has a short lifespan.

Tags

NGSS.HS-ESS1-3

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What fuels stars?

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Stars primarily use hydrogen as fuel for nuclear fusion.

Tags

NGSS.HS-ESS1-1

Front

What is the difference between a galaxy and a star?

Back

A galaxy is a massive system that contains billions of stars, gas, dust, and dark matter, while a star is a single luminous celestial body.

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What are the main components of the universe?

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The main components of the universe include galaxies, stars, planets, dark matter, and dark energy.

Tags

NGSS.HS-ESS1-2