Exploring Our Galaxy: Quiz on Galaxies

What type of galaxy is the Milky Way?

• Elliptical

• Spiral

• Irregular

• Lenticular

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TEKS.SCI.8.9B

Which of the following is a characteristic of an elliptical galaxy?

• It has a flat, rotating disk.

• It has a spherical shape with little structure.

• It has a central bulge and spiral arms.

• It has a bar-shaped structure.

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TEKS.SCI.8.9B

Identify the type of galaxy that lacks a defined shape and structure.

• Spiral

• Elliptical

• Irregular

• Barred Spiral

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TEKS.SCI.8.9B

Explain why the Milky Way is classified as a spiral galaxy.

• It has a spherical shape with no distinct features.

• It has a flat, rotating disk with spiral arms.

• It has an irregular shape with no defined structure.

• It has a central bulge with no spiral arms.

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TEKS.SCI.8.9B

Compare the structure of spiral and elliptical galaxies.

• Both have spiral arms and a central bulge.

• Spiral galaxies have a flat disk, while elliptical galaxies are more spherical.

• Both have irregular shapes with no defined structure.

• Elliptical galaxies have a flat disk, while spiral galaxies are more spherical.

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TEKS.SCI.8.9B

Which type of galaxy is most likely to have active star formation?

• Elliptical

• Spiral

• Irregular

• Lenticular

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TEKS.SCI.8.9B

Analyze the reasons why irregular galaxies do not have a defined shape.

• They are formed from the collision of two spiral galaxies.

• They have a high rate of star formation that disrupts their structure.

• They are remnants of elliptical galaxies.

• They have a central bulge with no spiral arms.

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TEKS.SCI.8.9B

Evaluate the importance of the Milky Way's location within the Local Group of galaxies.

• It allows for the study of elliptical galaxies.

• It provides a stable environment for the solar system.

• It is irrelevant to the study of galaxies.

• It causes the Milky Way to have an irregular shape.

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TEKS.SCI.8.9B

What is the primary difference between barred spiral galaxies and regular spiral galaxies?

• Barred spirals have a central bar-shaped structure.

• Regular spirals have no central bulge.

• Barred spirals have no spiral arms.

• Regular spirals have a spherical shape.

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TEKS.SCI.8.9B

Describe the location of Earth's solar system within the Milky Way galaxy.

• At the center of the galaxy.

• In the outermost spiral arm.

• In the Orion Arm, a minor spiral arm.

• In the central bulge.

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TEKS.SCI.8.9B