How is our sun different from all the other stars that we see?

• It is a yellow star
• It gives off energy
• It is a medium-size star
• It is much closer to the Earth. 

Our sun is a 

• Extra-large star
• Very small star
• Medium-sized star
• Is not a star

Why do giant stars look small from Earth?

• They are red
• They are much bigger than the sun. 
• They are very far away.
• They are smaller than supergiant stars

Which is a huge ball of hot gases that gives off its own light?

• A planet
• A star
• A comet
• A moon

Which class of star is this:
Blue, Largest, Hottest?

• B
• K
• M
• O

Which class of star is this:
Blue

• A
• K
• B
• M

Which class of star is this:
Blue-White

• A
• F
• G
• K

Which class of star is this:
White

• F
• G
• K
• M

Which class of star is this:
Yellow-White

• G
• K
• M
• O

Which class of star is this:
Orange

• K
• M
• O
• B