Planets and Stars

What color of star is the hottest?

• Blue
• Red
• Yellow
• Orange

What color of star is the coolest?

• Red
• Yellow
• Blue
• White

What is the name of the largest stars?

• Protostars
• Supergiants
• Red Giants
• Dwarf Stars

What is the name of the explosion at the death of a massive star?

• Supergiant
• Supernova
• Black Hole
• Nebula

What is the name of the gas/dust clouds that form stars?

• Nebulas
• Protostars 
• Supernova
• Neutron Star

Most stars are made of which elements?

• Hydrogen only
• Hydrogen and Lithium
• Hydrogen and Sodium
• Hydrogen and Helium

A small, hot star near the end of its life is a star called a

• white dwarf
• red dwarf
• supergiant
• protostar

Our sun is currently in what star stage?

• Protostar

• Nebula

• Main Sequence

• Red Giant

A ________ is an object so dense with so much gravity that even light cannot escape.

• neutron star
• white dwarf
• blackhole
• black dwarf

How far is the sun from the earth?

• 4.3 light-minutes
• 680 light-years
• 8.4 light-minutes
• 9 light years