Star Life Cycle

a gigantic explosion that causes the death of a large star

• pulsar
• red giant 
• supernova
• black hole

As gravity pulls gas and dust into a sphere that becomes denser and hotter, and a sunlike star begins to form, it is called a(n)

• white dwarf
• red dwarf
• supergiant
• protostar

What type of star/life stage is Star A?

• Blue giant
• Red supergiant
• White dwarf
• Main sequence star

What type of star/life stage is Star D?

• Blue giant
• Red supergiant
• White dwarf
• Main sequence star

What type of star/life stage is Star C?

• Blue giant
• Red supergiant
• White dwarf
• Main sequence star

Which of these is in the correct order for very massive stars?

• nebula, protostar, main sequence star, red supergiant, supernova, black hole
• protostar, nebula, main sequence star, red supergiant, supernova, black hole
• nebula, protostar, red supergiant, main sequence star, supernova, black hole
• nebula, protostar, main sequence star, red supergiant, black hole, supernova

Stars are formed from big clouds of gas and dust known as a...

• clouds grande
• cumulonimbus
• electron clouds
• nebula

A collection of stars, dust, and gas bound together by gravity is...

• Universe
• Solar System
• Planet
• Galaxy

Which of these stars is hottest?

• Red Star
• Yellow Star
• Orange Star
• Blue Star

What is an exploding star?

• black hole
• Milky Way
• supernova
• solar system