Stars and Galaxies

This type of galaxy has no defined pattern or shape

• Spiral 
• Elliptical
• Irregular
• Quasar

This type of galaxy is active, young galaxy with a black hole at their center

• elliptical

• quasar

• spiral

• irregular

This type of galaxy is rounded but may be elongated and slightly flattened

• irregular

• quasar

• spiral

• elliptical

This type of galaxy has pinwheel arms around a bulge in the middle

• quasar

• irregular

• spiral

• elliptical

All stars begin as a __________?

• giant
• black hole
• white dwarf
• nebula

Tags

NGSS.HS-ESS1-3

Our sun is about _______ years old

• 1 billion

• 500 million

• 5 billion

• 10 billion

Tags

NGSS.HS-ESS1-1

Select the correct order for a star's formation

• 1. Nuclear fusion begins.

  2. Gravity pulls gas and dust together.

  3. A large cloud of gas and dust exists.

  4. A protostar is formed.

• 1. Nuclear fusion begins.

  2. A protostar is formed.

  3. Gravity pulls gas and dust together.

  4. A large cloud of gas and dust exists.

• 1. A large cloud of gas and dust exists.

  2. Gravity pulls gas and dust together.

  3. A protostar is formed.

  4. Nuclear fusion begins.

Tags

NGSS.HS-ESS1-1

Our sun is a _______ massed star.

• Small

• Medium

• Large

Tags

NGSS.MS-ESS1-3

NGSS.MS-PS2-4

Which of the choices correctly lists the stages of a star at the end of its life?

• super giant, planetary nebula, white dwarf

• super giant, supernova, white dwarf

• red giant, supernova, white dwarf

• red giant, planetary nebula, white dwarf

Tags

NGSS.HS-ESS1-3

Choose the 4 properties that are used to classify stars.

• color

• temperature

• shape

• size

• absolute brightness