SC.8.E.5.5

Which of the following pairs of terms directly relates to the actual brightness of a star?

• absolute magnitude and luminosity

• apparent magnitude and luminosity

• size and luminosity

• absolute magnitude and apparent magnitude

The sun is made up of six different layers. Three of these layers make up the interior of the sun. The remaining three layers make up the sun’s atmosphere. Which is the innermost layer of the sun?

• chromosphere

• convection zone

• Core

• Corona

Luis is comparing two stars in the Milky Way galaxy. How can Luis tell which star has the greater temperature?

• brightness

• apparent magnitude

• color

• absolute magnitude

The Sun does not have the greatest absolute brightness compared to stars in the night sky. How is it possible that it has the greatest apparent brightness?

• It is hotter than the other starts.

• It is closer than the other stars.

• It is farther away than the other stars.

• Apparent brightness is more powerful than absolute brightness.

Which of the following can affect our communications grid?

• sunspots

• revolution of planets

• phases of the moon

• apparent magnitude

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NGSS.MS-PS4-3

What is unique about the rotation of the sun?

• It spins way faster than the planets.

• It spins extremely slow.

• The top half spins one direction and the bottom half spins the opposite direction.

• Some areas spin faster than others.

Which of the following best describes the relationship between a star's temperature and its color?

• Hotter stars appear red, while cooler stars appear blue.

• Hotter stars appear blue, while cooler stars appear red.

• All stars appear white regardless of temperature.

• Temperature does not affect a star's color.

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FL.SC.8.E.5.5

Which of the following statements is true about the absolute brightness of stars?

• Absolute brightness is how bright a star appears from Earth.

• Absolute brightness is the same as apparent magnitude.

• Absolute brightness is the actual brightness of a star.

• Absolute brightness changes with distance from Earth.

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Consider two stars: Star A is blue and Star B is red. Which star is likely to have a higher surface temperature?

• Star A

• Star B

• Both have the same temperature.

• Temperature cannot be determined from color.

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FL.SC.8.E.5.5

What is the primary reason for the difference in apparent magnitude between two stars of the same actual brightness?

• Their size

• Their distance from Earth

• Their temperature

• Their color

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