Astro C10 Quiz 2 Review

When a star finishes fusing hydrogen, this means that there is no hydrogen left anywhere in the star.

• True

• False

The Sun is a 1 solar mass star. It began as a ​ (a)   after gravitationally contracting from a cloud of gas. Once it began fusing hydrogen, it became a ​ (b)   , where it will continue for about 10 billion years. After that, it will become a ​ (c)   and fuse helium. Once it can no longer do that, it will eventually become a ​ (d)   .

• pre-Main Sequence Star
• Main Sequence Star
• red giant
• white dwarf
• supernova
• O-Type Star
• blue giant
• black hole
• neutron star
• brown dwarf

Tags

NGSS.HS-ESS1-1

Order the stars from hottest to coldest

• M

• A

• G

• O

• K

Given that a star is 3x more massive than another, how much more luminous should it be?

Mathematical Equivalence

ON

A star that is 3x more massive will live how much longer?

Mathematical Equivalence

ON

Tags

NGSS.HS-ESS1-1

Organize these options into the right categories

Groups:

(a) Main Sequence

,

(b) Post Main Sequence

,

(c) Remnants

,

(d) Not Stars

• G Star

• F Star

• Exoplanet

• Brown Dwarf

• Red Supergiant

• O Star

• White Dwarf

• M Star

• Blue Supergiant

• Neutron Star

• Black Hole

Tags

NGSS.HS-ESS1-3

The most massive stars can fuse up to ​ (a)   before detonating as a supernova.

• iron
• helium
• hydrogen
• carbon
• oxygen
• silicon
• neon
• manganese

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

A Type II supernova means that there ​ (a)   hydrogen present in its spectra; a Type I means that there ​ (b)   hydrogen present in its spectra.

• is
• is not

A star moves up the Main Sequence until it reaches the turnoff point, which tells us its age.

• True

• False

Tags

NGSS.HS-ESS1-3

Where are there white dwarf stars in the HR Diagram?

Tags

NGSS.HS-ESS1-3