Death

refers to an underlying cause of death, as opposed to the final cause.

• pupa

• adipocere

• proximate cause of death

• pulmonary arrest

Match description with the correct stage of decomposition:
livor, rigor, and algor mortis occur during this stage

• fresh

• bloat

• active decay

• advanced decay

rigor mortis peaks how many hours after death?

• 36

• 18

• 8

• 12

An old woman dies peacefully in her sleep. There is no sign of foul play. What is her manner of death?

• accidental

• homicidal

• natural

• undetermined

What makes supernovas explode?

• It can happen because a chicken nugget decides it wants some sauce and it falls into a nuclear reactor and creates a supernova.

• It can happen from a Moon stealing mass from a companion star and then stealing so much it explodes into a million pickles.

• It can also happen when two neighboring galaxies collide.

• It can happen when a star comes to the end of its life and has no more nuclear energy and some mass flows to the core until it can’t withstand its own gravitational force and collapses in on itself and blows up

Neutron stars are formed when gravity squeezes electrons & _____ into neutrons in a supernova.

• protons

• isotopes

• quarks

• matter

Tags

NGSS.HS-PS1-8

A ____ star with a mass of 1.4 suns may go supernova (I) if too much material accretes.

• white dwarf

• red dwarf

• red giant

• neutron

Tags

NGSS.HS-ESS1-3

White dwarfs are dead stars. They glow because...

• neutrinos emit light as they orbit the dead stars.

• of the high rate of nuclear fusion in their cores.

• they are very hot and it takes many billions of years for them to cool down.

Why do even the most massive stars stop fusing at iron?

• Iron absorbs energy instead of releasing it

• Iron releases energy instead of absorbing it

• Iron is the least stable element

• Iron just hates fusing

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

A supernova occurs when a _____ star runs out of fuel (or overloads) and explodes.

• sun-like

• single

• massive

• double

Tags

NGSS.HS-ESS1-3