Geoscience Unit 3.4-3.6 SemesterReview

Unit 3.4 Notes: What is a galaxy?

• A group of old stars

• A cluster of stars, gas, dust, stellar remnants and often planetary systems

• A cloud of gas and dust

• A specific portion of the universe

Tags

NGSS.MS-ESS1-2

Unit 3.4 How many types of galaxies are there?

• 1

• 2

• 3

• 4

Unit 3.4 What type of galaxy has a black hole in its center?

• Elliptical

• Irregular

• Spiral

Tags

NGSS.MS-ESS1-2

Unit 3.4: What type of galaxy is often made of old stars?

• Elliptical

• Irregular

• Spiral

Tags

NGSS.MS-ESS1-2

Unit 3.4: What type of galaxy does not have a distinct shape?

• Elliptical

• Irregular

• Spiral

Unit 3.4: What type of galaxy often appears red?

• Elliptical

• Irregular

• Spiral

Unit 3.4: The center of the Milky Way Galaxy looks like a bright cloudy spot in the sky.

• True

• False

Unit 3.5: How many planets are in our solar system?

• 2

• 6

• 4

• 8

Unit 3.5: SELECT ALL THAT APPLY

What are the stages of the formation of our solar system?

• Molecular Cloud

• Protoplanetary Disk

• Formation of the sun

• Evolution of Planets

Unit 3.6: Below is the correct order for planets closest to the sun.

Earth, Mars, Venus, Mercury

• True

• False