High Mass Stars

What forces are in constant struggle within a star?

• Gravity and internal heat

• Magnetic fields and solar winds

• Dark energy and dark matter

• Nuclear fusion and fission

Tags

NGSS.HS-PS2-4

What happens to a star like the Sun in its twilight years?

• It turns into a black hole

• It expands and then blows away its outer layers

• It becomes a blue supergiant

• It remains unchanged for eternity

At what temperature can carbon fuse in a star's core?

• 2-3 billion degrees Celsius

• 1 billion degrees Celsius

• 500 million degrees Celsius

• 100 million degrees Celsius

What is the fate of a star with more than 8 times the Sun's mass?

• It fades away quietly

• It becomes a white dwarf

• It explodes in a supernova

• It turns into a neutron star

What element's fusion marks a star as a 'ticking time bomb'?

• Helium

• Carbon

• Iron

• Silicon

Tags

NGSS.HS-PS1-8

What happens when iron fuses in a star's core?

• It creates vast amounts of energy

• It stabilizes the star

• It sucks up energy, leading to core collapse

• It triggers the formation of a new star

Tags

NGSS.HS-PS1-8

What is created in the core collapse of a massive star?

• A white dwarf

• An asteroid belt

• A new solar system

• A neutron star or a black hole

What is the significance of supernovae in the universe?

• They are the primary source of light

• They create and scatter heavy elements

• They are purely destructive events

• They mark the end of the universe

Tags

NGSS.HS-ESS1-3

How close does a supernova need to be to affect Earth?

• At least as close as 10 light years

• At least as close as 100 light years

• At least as close as 1 light year

• At least as close as 1000 light years

What element is not primarily produced in the core of a supernova?

• Nickel

• Hydrogen

• Phosphorus

• Calcium

Tags

NGSS.HS-ESS1-3