Day 5 STAAR® Blitz Warm-Up: Universe

LAST Name

FIRST Name

Class Period

• 1
• 2
• 3
• 4
• 5

Caused by Earth’s 23.5° tilt on its axis and its revolution around the sun

• Galaxy
• Nebula
• Seasons
• Star

A hot ball of gas that emits light through the process of nuclear fusion

• Galaxy
• Nebula
• Seasons
• Star

A system of gas, dust, planets, and millions or billions of stars

• Galaxy
• Nebula
• Seasons
• Star

A large collection of gas and dust that is known as the birthplace of stars; recycled material from a star’s death

• Galaxy
• Nebula
• Seasons
• Star

An H-R diagram is shown. Which statements correctly describe Rigel? Select TWO correct answers.

• Rigel is hotter and brighter than the sun.
• Rigel is a white dwarf.
• Rigel is cooler and dimmer than Procyon B.
• Rigel is a main-sequence star.
• Rigel has a surface temperature greater than 10,000 K.

Earth’s solar system is located -

• in the center of the Milky Way galaxy
• on an outer spiral arm of the Milky Way galaxy
• in the center of the Andromeda galaxy
• on an outer spiral arm of the Andromeda galaxy

The spectral classes of four stars are shown in comparison with a Hertzsprung-Russell diagram. Based on the information, which star is most like the sun?

• Star 1
• Star 2
• Star 3
• Star 4