Earth and its solar system are a part of which of the following galaxies?

• Andromeda
• Black Eye
• Milky Way
• Cartwheel

Tags

NGSS.MS-ESS1-2

Which of the following best describes a galaxy? A galaxy is –

• the ending of the life cycle of all super massive stars in the universe.
• a massive system of stars, gas, dust, and dark matter bound together by gravity.
• a visible body of liquid or frozen crystal droplets suspended above a planetary surface.
• the visible path of a meteoroid as it enters Earth’s atmosphere.

Tags

NGSS.MS-ESS1-2

What are the three shapes galaxies take?

• spiral, circular, elliptical
• elliptical, irregular, pancake shaped
• spiral, elliptical, irregular
• irregular spiral, flat

The Milky Way is ________________________.

• A gas cloud in the solar system
• A gas cloud in the galaxy of which the sun is a member
• The galaxy of which the sun is a member
• A nearby galaxy

At the center of most, if not all galaxies is a… 

• Giant sun
• Giant black hole
• A big bang
• A small sun

Tags

NGSS.MS-ESS1-2

What are stars mainly made of?

• Dust particles
• Hot Liquid
• Hot Gas
• Rock

What is the name given to the event that formed the Universe?

• The Big Burst
• The Big Bang
• The Loud Explosion
• The Fizzy Pop

Ever since the Big Bang, the universe has been expanding...

• At a constant rate
• And constantly accelerating
• At different rates
• Exponentially

What are clusters?

• When planets collide
• A group of 32 galaxies
• A type of energy that stars produce
• Groups of 10 to 100 galaxies formed due to the pull of gravity

What is the most useful unit for measuring distances within the solar system?

• the kilometer
• the astronomical unit
• the light-year
• he parsec

Tags

NGSS.MS-ESS1-3