The Life Cycle of the Sun

At 15,000 degrees Celsius, hydrogen atoms unite to form helium atoms and energy is released in a process called

• supernova

• pulsar

• nuclear fusion

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Stars produce light and heat by the process of

• Gravity

• Orbiting

• Nuclear Fusion

• Combustion

Tags

NGSS.HS-ESS1-1

Shown as number 4 on the diagram, this is what stars like the Sun become after they have exhausted their nuclear fuel.

• White dwarf

• Neutron star

• Red giant

• Super red giant

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

A star's lifecycle is determined by its ....

• Mass

• Temperature

• Brightness

• Luminosity

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

All stars begin life in the same way forming from a cloud of dust and gas, also known as a ...

• Stellar nebula

• Planetary nebula

• Massive star

• Black hole

Tags

NGSS.HS-ESS1-3

Shown as number 3, this type of star has exhausted the supply of hydrogen in its core and has begun

thermonuclear fusion of hydrogen in a shell surrounding the core. It is called ....

• Red giant

• Red super giant

• Massive star

• Neutron star

Tags

NGSS.HS-ESS1-3

stars that are fusing hydrogen atoms to form helium atoms in their cores.

• super redgiant

• red giant

• Nebula

• main sequence star

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

involves the combining of several small nuclei into one large nucleus with the subsequent release of huge amounts of energy.

• main sequence star

• supernova

• nuclear fusion

• mass

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

When our Sun becomes a Red Giant, it will engulf _______.

• just Mercury

• all the inner planets.

• the entire solar system

• just Mercury and Venus

What is the current stage of the Sun in its life cycle?

• Main Sequence

• Red Giant

• White Dwarf

• Supernova

Tags

NGSS.HS-ESS1-1