Life Cycle of Stars

What is equivalent to 1 solar mass?

• The mass of the Sun

• The mass of the Earth

Tags

NGSS.MS-PS2-4

The stages of the life cycle of a star mentioned in the presentation are for

• Stars with exactly 8 solar mass

• Stars with less than 8 solar masses

• Stars with more than 8 solar masses

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is the first stage of the life cycle of a star?

• The first stage is the first stage

• Nebula

• Star

• Protostar

The dense core left behind by a supernova can become

• A lobster

• A black hole

• A neutron star

• A neutron hole

What does a star use to start nuclear fusion?

• Hydrogen

• Helium

• Electrons

• Neutrons

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is the heaviest chemical element that can be formed in nuclear fusion?

• Silicon

• Uranium

• Iron

• Astatine

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is the brightest star in Earth's night sky?

• The Sun

• Betelgeuse

• Yourself

• Sirius A

What do stars use to sustain themselves?

• Yes

• Nuclear fission

• Nuclear fusion

• No

Tags

NGSS.HS-ESS1-1

Can light escape a black hole?

• Yes

• yes

• No

• no

Tags

NGSS.HS-PS4-3

If a star eventually becomes a black hole, why does it become a black hole and not a neutron star?

• The star has mass less than 8 solar masses

• The star has mass greater than 20 solar masses

• The star has mass between 8 to 20 solar masses