Stars and Their Life Cycle

What is the final stage in the life cycle of a low-mass star?

• red giant

• black dwarf

• main sequence

• white dwarf

What is the primary source of energy in stars?

• nuclear fusion

• angular momentum

• solar power

• geothermal heat

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is the HR diagram used for?

• The HR diagram is used to track the distance of stars from Earth.

• The HR diagram is used to plot the luminosity of stars against their surface temperature.

• The HR diagram is used to determine the size of stars based on their brightness.

• The HR diagram is used to measure the age of stars based on their color.

Organize these options into the right categories

Groups:

(a) Fusion

,

(b) No Fusion

• Protostar

• White Dwarf

• Black Dwarf

• Supernova

• Nebula

• Main Sequence Star

Tags

NGSS.HS-ESS1-3

What is the first stage in the life cycle of a high-mass star?

• The first stage is the formation of a neutron star from a black hole.

• The first stage is the formation of a red giant from a white dwarf.

• The first stage is the formation of a main sequence star from a planetary nebula.

• The first stage is the formation of a protostar from a nebula.

Which of the following is the hottest type of star?

• White star

• Yellow star

• Blue star

• Red star

Which of the following is a characteristic of a red supergiant star?

• Small size and low luminosity

• Medium size and medium luminosity

• Blue color and low luminosity

• Large size and high luminosity

What is the color of a star that has the lowest temperature?

• Blue

• White

• Yellow

• Red

Place the stages of a star into the correct categories

Groups:

(a) Low-Mass Stars

,

(b) high-Mass Stars

,

(c) High & Low Mass Stars

• Nebula

• White Dwarf

• Main Sequence

• Black Dwaf

• Neutron Star

• Black Hole

• Planetary Nebula

• Supernova

Tags

NGSS.HS-ESS1-3

Why do massive stars have shorter life-spans than average stars?

• They have less steps in their life-cycle
• They have less fuel to burn
• They burn through their fuel faster
• All of the above

Tags

NGSS.HS-ESS1-1