Fall Final Exam S1

Identify the first TWO atomic elements to form after the "Big Bang."

• Hydrogen and Helium

• Hydrogen and Oxygen

• Helium and Oxygen

• Oxygen and Argon

Tags

NGSS.HS-ESS1-2

Stars begin their lives as ____________________.

Tags

NGSS.HS-ESS1-3

A star will become a ____________________ when it begins to die.

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

A galaxy is...

• The Big Bang

• A group of stars, dust, and gases held together by gravity.

• A cloud of dusts gathered at the center.

• Really small and simple.

Which galaxy has a bulge of stars at the center, with arms extending outward like a pinwheel?

• spiral

• barred-spiral

• elliptical

• irregular

Which galaxy has a disorganized appearance and is smaller than other galaxies?

• spiral

• barred-spiral

• elliptical

• irregular

Identify the stars that are the element "factories" of our universe.

• Blue Giants

• Red Supergiants

• White Dwarfs

• Neutron Stars

Tags

NGSS.HS-ESS1-3

The formation of the heavier (metal) elements is due to an extremely high level of _______________ which allows for further nuclear _______________ reactions to occur.

• fusion, energy

• energy, fission

• fission, energy

• energy, fusion

Tags

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

What cause atoms to ignite (to be born or light up) stars?

• fission

• fusion

• solar wind

• gravity

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

According to scientists, what does the universe continue to do because of the initial Big Bang?

• contract

• shrink

• expand

• stays the same

Tags

NGSS.HS-ESS1-2