Unit 5 Space Review

Scientists infer that the Big Bang occurred approximately

• (1) 4.6 billion years ago

• (2) 7 billion years ago

• (3) 9 billion years ago

• (4) 13.8 billion years ago

Tags

NGSS.HS-ESS1-2

The diagram below represents some of the inferred stages in the life cycle of stars according to their original mass. The final stage in the life cycle of the most massive stars is a 

• (1) black hole

• (2) black dwarf

• (3) supergiant 

• (4) white dwarf

Tags

NGSS.HS-ESS1-3

The diagram below represents some of the inferred stages in the life cycle of stars according to their original mass. Energy is produced in the cores of main sequence stars when 

• (1) lighter elements undergo fusion into heavier elements 

• (2) heavier elements undergo fusion into lighter elements 

• (3) cosmic background radiation is absorbed 

• (4) cosmic background radiation is released

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

Which statement describes the general relationship between the temperature and the luminosity of main sequence stars?

• As temperature decreases, luminosity increases.

• As temperature decreases, luminosity remains the same.

• As temperature increases, luminosity increases.

• As temperature increases, luminosity remains the same.

Which star color indicates the hottest star surface temperature?

• blue

• white

• yellow

• red

The life cycle of a star is determined by its

• temperature

• mass

• density

• color

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

Which process allows stars to radiate visible light?

• radioactive decay

• nuclear fusion

• nuclear fission

• volcanic outgassing

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Hertzsprung-Russell Diagrams show

• The electromagnetic spectrum with wave frequencies.

• The average surface temperature of stars and their absolute magnitude.

• The total amount of valence electrons an element from the periodic table has.

• A diagram of the temperatures of layers of the earth.

The temperature of a star is best determined by its color. What is the Coolest Star?

• Red

• Blue

• White

• Yellow

Which set of stars would burn at  higher 

        surface temperatures?

• White Dwarfs

• Super giants

• Giants

• None of the above

Tags

NGSS.HS-ESS1-3