Universe/Solar System Study Guide 1 24 25

What are the main types of galaxies?

• Elliptical, spiral, irregular

• Round, square, oval

• Large, medium, small

• Bright, dark, gas-filled

What type of galaxy is the Milky Way?

• Elliptical

• Spiral

• Irregular

• Circular

Tags

NGSS.MS-ESS1-2

What is the difference between elliptical and spiral galaxies?

• Elliptical galaxies have more gas and dust.

• Spiral galaxies have no new star formation.

• Elliptical galaxies have little gas and dust.

• Spiral galaxies are always bigger.

What is the process that helps form stars, planets, and solar systems by gathering smaller pieces?

• Evaporation

• Accretion

• Diffusion

• Condensation

How many stars are in our solar system?

• 1

• 2

• 3

• 8

What do planets in a solar system orbit?

• A moon

• A star

• A black hole

• Another planet

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is a light year?

• The time it takes light to travel around the Sun.

• The distance light travels in one year.

• The distance light travels in one month.

• A unit of time.

What type of model did people once believe our solar system followed?

• Heliocentric model

• Geocentric model

• Planetary model

• Star-centered model

Which of the following is a property of terrestrial planets?

• Made mostly of gas

• Rocky surfaces

• Many moons

• Very large in size

What shape do planets follow in their orbit around the Sun?

• Circular

• Rectangular

• Elliptical

• Spiral

Tags

NGSS.MS-ESS1-1