Spiral

What type of galaxy is the Milky Way?

• Elliptical

• Spiral

• Irregular

• Lenticular

Tags

DOK Level 1: Recall

TEKS.SCI.8.9B

What type of galaxy is the Milky Way?

• Elliptical

• Spiral

• Irregular

• Lenticular

Which of the following is a characteristic feature of a spiral galaxy?

• A central bulge with spiral arms

• A spherical shape

• No defined structure

• A ring-like structure

Tags

NGSS.MS-ESS1-2

In which part of a spiral galaxy are new stars most likely to form?

• In the central bulge

• In the spiral arms

• In the halo

• In the outer ring

What is the main difference between a spiral galaxy and an elliptical galaxy?

• Spiral galaxies have spiral arms, elliptical galaxies do not

• Elliptical galaxies have spiral arms, spiral galaxies do not

• Both have spiral arms

• Neither have spiral arms

Which of the following best describes the motion of stars in the spiral arms of a galaxy?

• Random motion

• Circular motion around the center

• Linear motion

• Elliptical motion

What is the role of dark matter in the structure of spiral galaxies?

• It forms the spiral arms

• It provides the gravitational pull to hold the galaxy together

• It creates the central bulge

• It has no role

Which of the following is a real-world application of studying spiral galaxies?

• Understanding the formation of the universe

• Developing new technologies for space travel

• Predicting weather patterns on Earth

• Improving agricultural practices

Tags

NGSS.HS-ESS1-2

How do scientists determine the age of a spiral galaxy?

• By measuring the brightness of its stars

• By analyzing the chemical composition of its stars

• By observing the rotation speed of its spiral arms

• By counting the number of stars

What is the significance of the spiral structure in galaxies?

• It indicates the presence of a black hole

• It shows the distribution of stars and gas

• It determines the galaxy's age

• It affects the galaxy's color