The Universe

a gigantic explosion that causes the death of a large star

• pulsar
• red giant 
• supernova
• black hole

a star that expands and cools once it runs out of hydrogen

• pulsar
• black hole
• red giant
• supernova

What color are the hottest stars?

• red
• yellow
• orange
• blue

Larger, cooler stars are called ___________.

• Blue Giants
• White Dwarfs
• Red Giants
• Yellow Giants

The core of a Red Giant collapses and becomes a ___________________.

• White Dwarf
• Blue Supergiant
• Red Supergiant
• Black Hole

When the core of a Red Supergiant collapses, a bright event known as a ___________ occurs.

• superdupernova
• supernova
• big bang
• black hole

All stars begin their life in a

• Main Sequence
• Nebula
• Protostar
• Black Dwarf

The life cycles of stars are determined by their:

• mass (size)
• color
• distance from Earth
• luminosity

Which of the following list the correct order of the life cycle of massive stars?

• Nebula --> protostar --> main sequence --> red supergiant --> supernova --> blackhole
• Nebula --> protostar --> main sequence --> red giant --> planetary nebula --> white dwarf --> black dwarf
• Nebula --> protostar --> main sequence --> supernova --> red giant --> blackhole
• Nebula --> protostar --> blackhole --> red supergiant --> supernova --> main sequence

In the diagram given, what happens as we move to the left?

• Stars Get Larger
• Stars get Colder
• Stars get hotter