Quizizz - Star Classification Review

What color of star is the hottest?

• Blue
• Red
• Yellow
• Orange

Tags

NGSS.HS-ESS1-3

What color of star is the coolest?

• Red
• Yellow
• Blue
• White

Tags

NGSS.HS-ESS1-3

The life cycles of stars are determined by their:

• mass (size)
• color
• distance from Earth
• luminosity

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

Most stars are made of which gases?

• Hydrogen only
• Hydrogen and Lithium
• Hydrogen and Sodium
• Hydrogen and Helium

Tags

NGSS.HS-ESS1-3

Scientists use spectra from stars to determine what?

(remember absorption/emission lines we talked about when stars create light)

• the temperature of a star.

• the composition (what a star is made of).

• the star's distance from Earth.

• the star's movement.

Tags

NGSS.HS-ESS1-3

Which of the following characteristics determines the color of a star?

• Luminosity

• Temperature

• Distance

• Mass

Answer explanation

Temperature determines color.

What is revealed by the BLUE color of the supergiant star, Rigel?

• It is fairly cool

• It is close

• It is very hot

• It is no longer emitting light

Answer explanation

Blue stars are the hottest.

Tags

NGSS.HS-PS4-3

Which of the following stars are near the end of their life cycle?

• Main sequence

• White dwarfs

• Giants

• Supergiants

Answer explanation

White dwarfs are stars that have exhausted all of their nuclear fuel.

Tags

NGSS.HS-ESS1-3

HR diagrams are most useful for

• Locating stars

• Classifying stars

• Locating galaxies

• Classifying galaxies

The brightness of a star depends on its:

• Color and temperature

• Distance and temperature

• Distance and color

• Size and temperature