STAAR Review Day 10

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

In the Hertzsprung-Russell diagram, where are the hottest and brightest stars located?

• Top right

• Bottom left

• Top left

• Bottom right

Tags

TEKS.SCI.8.9A

Which type of galaxy is the Milky Way?

• Elliptical

• Irregular

• Spiral

Tags

TEKS.SCI.8.9B

What is the final stage of a low-mass star's life cycle?

• Black Hole

• Neutron Star

• White Dwarf

• Red Giant

Tags

TEKS.SCI.8.9A

Which type of galaxy lacks a distinct shape and structure?

• Elliptical

• Spiral

• Irregular

• Lenticular

Tags

TEKS.SCI.8.9B

In the Hertzsprung-Russell diagram, what does the main sequence represent?

• The beginning of a star's life

• The end of a star's life

• The stable period of a star's life

• The period when a star becomes a supernova

Tags

TEKS.SCI.8.9A

Where is Earth's solar system located within the Milky Way galaxy?

• In the central bulge

• In the halo

• In An Arm

Tags

TEKS.SCI.8.9B

What is the primary factor that determines the life cycle path of a star?

• Temperature

• Mass

• Luminosity

• Distance from Earth

Tags

TEKS.SCI.8.9A

Which type of galaxy is most commonly found in the universe?

• Elliptical

• Spiral

• Irregular

• Lenticular

Tags

TEKS.SCI.8.9B