the life cycle of a star and features of our solar system

What is a white dwarf?

• A) The initial stage of a star's life.

• B) A small, dense remnant of a star that has used up its nuclear fuel.

• C) A massive explosion that ends the life of a huge star.

• D) A large, bright star in the early stages of formation.

What is the main process that allows a new star to shine?

• A) Gravitational collapse

• B) Nuclear fission

• C) Nuclear fusion

• D) Magnetic reconnection

Tags

NGSS.HS-ESS1-1

What is a planetary nebula?

• A) The explosion of a star in its final stages.

• B) A collapsing cloud of gas and dust forming new stars.

• C) The outer layers of a star expelled as it transitions into a white dwarf.

• D) A nebula that forms planets rather than stars.

What does the life cycle of a star typically begin with?

• A) Formation of a white dwarf

• B) Collapse of a planetary nebula

• C) Expansion into a red giant

• D) Accumulation of gas and dust in a stellar nebula

Tags

NGSS.HS-ESS1-3

What is a nebula?

• A) A dense, hot remnant of a star that has depleted its nuclear fuel.

• B) A large cloud of gas and dust where stars are born.

• C) The final explosive death of a massive star.

• D) A region in space where black holes are formed.

What characterizes a red giant?

• A) A star that has begun to cool and expand.

• B) A newly formed star that shines due to nuclear fusion.

• C) A star that has collapsed into a dense, hot remnant.

• D) A star that has exploded and is releasing gas into space.

What defines the 'giant among giants' in the context of the solar system?

• A) The Sun, as the largest and most massive object.

• B) Jupiter, as the largest planet.

• C) A particularly large asteroid.

• D) The Milky Way galaxy.

Tags

NGSS.MS-ESS1-3

In the context of the solar system, what is primarily responsible for keeping the planets in their orbits?

• A) The magnetic field of the sun.

• B) The gravitational pull of the sun.

• C) Radiation pressure from the sun.

• D) Electrical forces in the solar system.

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What phenomena might signal the birth of a new star within a nebula?

• A) The formation of a black hole.

• B) Intense winds and solar flares.

• C) The beginning of nuclear fusion processes.

• D) The cooling and expanding of the nebula into space.

What happens during the 'new star' phase of a star's life cycle?

• A) The star expands and cools, becoming a red giant.

• B) Nuclear fusion reactions begin, causing the star to shine brightly.

• C) The star collapses under its own gravity, becoming a white dwarf.

• D) The star ejects its outer layers, forming a planetary nebula.

Tags

NGSS.HS-ESS1-1