Life and Death of a Star

Which star color indicates the hottest temperature?

• Red

• Blue

• White

• Yellow

Stars are formed in a large cloud of gas and dust called a

• cumulonimbus cloud
• nebula
• neutron star
• black hole

When the gas within a nebula shrinks, spins, and flattens into a disk, it is then called a

• black hole
• white dwarf
• neutron star
• protostar

The process that fuels stars is

• nuclear fusion
• nuclear fission
• physical fraction
• photosynthesis

In a Main Sequence star, the outward force of radiation is balanced by an inward force of...

• gravity
• fusion
• condensation
• plasmatification

What is left after a supernova?

• Neutron star
• Supergiant
• White Dwarf
• Black Dwarf

Why can't scientists observe the entire lifespan of one star?

• It takes billions of years
• We cannot perceive those wavelengths
• It goes too fast
• The limitations of our telescopes

A star spends most of its "life" as a

• Nebula
• Main Sequence star
• Red Giant
• White Dwarf

White dwarves are small, dim, & hot.  Giants are large, bright, and cool.

• True
• False

After using up all of its hydrogen, a dying star will fuse its helium into Carbon & Oxygen.

• True
• False