Semester 1 Final Exam Review

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 gas/dust clouds that form stars?

• Nebulas
• Protostars 
• Supernova
• Neutron Star

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

• Supergiant
• Supernova
• Black Hole
• Nebula

What word best describes our sun?

• Average
• Supergiant
• Dwarf
• Red Giant

The H-R diagram is a graph that shows the relationship between ______________ for stars. 

• temperature and color
• temperature and brightness
• brightness and color
• distance and brightness

All stars begin their life in a

• Main Sequence
• Nebula
• Protostar
• Black Dwarf

______ is a force that causes dust particles to stick together in a nebula.

• nuclear fusion
• gravity
• hydrogen
• friction

Most stars are made of which elements?

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