7.3 - Types of Galaxies

What is the correct order from smallest to largest?

• Solar system, Milky Way, universe, local group, Virgo cluster

• Solar system, Milky Way, local group, Virgo cluster, universe

• Universe, Virgo cluster, local group, Milky Way, solar system

• Milky Way, solar system, local group, Virgo cluster, universe

Which type of galaxy is the Milky Way?

• Elliptical

• Irregular

• Spiral

• Lenticular

Tags

NGSS.MS-ESS1-2

What role does gravity play in the universe?

• It creates stars

• It causes the universe to expand

• It has no significant role

• It shapes galaxies

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is a characteristic of spiral galaxies?

• They are the most common type of galaxy in the universe

• They have a flat, disk shape with spiral arms

• They are the smallest type of galaxies

• They have no definite shape

What evidence supports theories of galaxy formation?

• The phases of the Moon

• The movement of continents

• The fossil record

• Observations of cosmic microwave background radiation

Tags

NGSS.HS-PS4-3

Which type of galaxy lacks a well-defined shape?

• Elliptical

• Lenticular

• Spiral

• Irregular

What is the primary factor in galaxy formation?

• Magnetic fields

• Gravity

• Dark energy

• Solar winds

Tags

NGSS.MS-ESS1-2

Which galaxy type is the oldest?

• Elliptical

• Spiral

• Lenticular

• Irregular

What is the largest structure in the universe?

• The local group

• The solar system

• The Milky Way

• The universe

What is not a characteristic of elliptical galaxies?

• Older stars

• Spiral arms

• Round or oval shape

• Lack of gas and dust