HR / Galaxies / Star Life Cycle Question Bank

What is the first stage in the life cycle of a star?

• Red Giant

• Main Sequence

• Nebula

• White Dwarf

Tags

TEKS.SCI.8.9A

Which type of galaxy is characterized by a flat, rotating disk containing stars, gas, and dust, and a central concentration of stars known as the bulge?

• Elliptical

• Spiral

• Irregular

• Lenticular

Tags

TEKS.SCI.8.9B

Using the Hertzsprung-Russell diagram, which type of star is typically the hottest?

• Red Dwarf

• Blue Giant

• Yellow Dwarf

• White Dwarf

Tags

TEKS.SCI.8.9A

Identify the galaxy type that lacks a distinct shape and structure.

• Spiral

• Elliptical

• Irregular

• Barred Spiral

Tags

TEKS.SCI.8.9B

Explain why stars in the main sequence phase are stable.

• They have balanced nuclear fusion and gravitational forces.

• They are too small to collapse.

• They have exhausted their nuclear fuel.

• They are constantly expanding.

Tags

TEKS.SCI.8.9A

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

• At the center of the galaxy

• In the galactic halo

• In the Orion Arm, a minor spiral arm

• In the Sagittarius Arm, a major spiral arm

Tags

TEKS.SCI.8.9B

What is the final stage of a massive star's life cycle?

• White Dwarf

• Neutron Star or Black Hole

• Red Giant

• Main Sequence

Tags

TEKS.SCI.8.9A

Which type of galaxy is most likely to contain older stars and less gas and dust?

• Spiral

• Elliptical

• Irregular

• Barred Spiral

Tags

TEKS.SCI.8.9B

On the Hertzsprung-Russell diagram, where are the brightest stars located?

• Top left

• Bottom right

• Top right

• Bottom left

Tags

TEKS.SCI.8.9A

Compare the characteristics of spiral and elliptical galaxies.

• Spiral galaxies have more gas and dust, while elliptical galaxies have less.

• Elliptical galaxies have more gas and dust, while spiral galaxies have less.

• Both have the same amount of gas and dust.

• Neither contains gas and dust.

Tags

TEKS.SCI.8.9B