HR Diagram and Star Life Cycle

According to the diagram, what is the best description of the star located a position B?

• The hottest and brightest star

• The coolest and dimmest star

• The star is of average brightness and average temperature

• The star is very bright but the coolest star

What is the total number of elements?

• 45

• 15

• 50

• 4

In the life cycle of a massive star, it will become a...

• white dwarf

• red supergiant

• black dwarf

• red giant

Tags

NGSS.HS-ESS1-3

According to the HR Diagram, what stars have a high luminosity but a low temperature?

• white dwarfs

• main sequence

• blue stars

• red supergiants

What is the correct order from least to greatest?

• planet, solar system, universe, galaxy

• universe, galaxy, solar system, planet

• planet, solar system, galaxy, universe

• solar system, universe, galaxy, planet

Tags

NGSS.MS-ESS1-3

How many rings (shells) would an atom of Sodium (Na) have?

• 1

• 2

• 3

• 4

In the life cycle of an average star (the sun) what happens after the star becomes a red giant?

• white dwarf

• planetary nebula

• black dwarf

• supernova

Tags

NGSS.HS-ESS1-1

Scientists have discovered certain sections of the sun with different temperatures, cooler temperatures, which are called...

• solar flares

• solar darkies

• sun spots

• sun flares

What factor determines whether a star will eventually become planetary nebula or a supernova?

• amount of mass

• amount of luminosity

• amount of temperature

• amount of oxygen

Tags

NGSS.HS-ESS1-3

Stars are born because of a process called ____, which is the combing of 2 Hydrogen atoms through such intense heat and pressure (from gravity) that the hydrogen atoms become one Helium atom.

• atom fusion

• nuclear fusion

• compound atom

• compound element

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8