Cosmology

Once a forming star gets hot enough, what fuses in its core?

• Hydrogen fuses into Helium

• Helium fuses into Hydrogen

• Hydrogen fuses into Carbon

• Carbon fuses into Helium

Tags

NGSS.HS-ESS1-1

When massive stars die, they become

• Protostars

• Main sequence stars

• Supernovae

• White dwarfs

Tags

NGSS.HS-ESS1-3

What type of galaxy is the Milky Way?

• A spiral galaxy

• round galaxy

• An elliptical galaxy

• An irregular galaxy

Tags

NGSS.MS-ESS1-2

Which of the following statements best relates to a star’s color to its surface temperature? * Look at the graph*

• blue stars have a relatively low temperature

• red stars have a relatively high temperature

• blue-white stars have a relatively low temperature

• yellow stars have a relatively low temperature

When massive stars die, they become

• Protostars

• Main sequence stars

• Supernovae

• White dwarfs

Electromagnetic waves vary in

• the speed they travel in a vacuum.

• wavelength and frequency.

• the way they reflect.

• the orientation of their electric and magnetic fields.

Tags

NGSS.HS-PS4-1

The big bang theory explains the

• origin of the universe.

• life cycle of a star.

• Doppler effect.

• arrangement of constellations.

Tags

NGSS.HS-ESS1-2

Which of the following provides support for the big bang theory?

• red shift

• cosmic microwave background radiation

• elliptical galaxies

• both (a) and (b)

Tags

NGSS.HS-ESS1-2

Which group or  category does our Sun belong to?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

Tags

NGSS.HS-ESS1-1

What is found on the x axis of an H-R diagram?

• Luminosity
  (or brightness)
• Temperature
• Star Size
• Distance