Universe

Which describes a star that is just starting to form?

• A) A ball of plasma where fusion is beginning

• B) A collection of gas and dust

• C) Running out of fuel and collapsing

• D) Being in a balanced and stable state.

Which of the following stars is a hot and dim star?

• Sirius B

• Barnard’s Star

• Mira

• Altair

Which of the following stars is a bright and hot star?

• Barnard’s Star

• Rigel

• Sun

• RW Cephei

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Fill in the blank: In the Hertzsprung-Russell Diagram, stars that are both hot and bright are typically found in the _______ region.

• A) Main Sequence

• B) Supergiants

• C) White Dwarfs

• D) Giants

Tags

NGSS.HS-ESS1-3

Star Y has a {lower} luminosity than Star Z and a {lower} temperature than Star X.

• higher

• lower

Tags

NGSS.HS-ESS1-3

In a star’s life, what is formed right after a nebula containing gas and dust collapses?

• Protostar

• White dwarf

• Neutron star

• Supergiant

What type of star is Sirius B currently?

• Protostar

• Supergiant

• White dwarf

• Nebula

Sirius B is a ________.

• Protostar

• Supergiant

• White dwarf

• Nebula

Tags

NGSS.HS-ESS1-3

The image represents a high-mass star that is running out of energy. The next step is for the star to expand. What stage of the star’s life cycle could this be?

• Blackhole

• Protostar

• Nebula

• Supergiant

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

A high-mass star that is running out of energy will expand into a ______.

• Blackhole

• Protostar

• Nebula

• Supergiant