Space Science 4.2

What is the main element in a stars composition? 

• Hydrogen 
• Helium 
• Lithium 
• Heavy Elements 

Is the sun a star?

• yes
• no

The color of the star tells us its 

• composition
• Temperature
• Luminosity 
• Mass

The hottest color star is 

• Blue
• White
• Yellow
• Red

Our star is a 

• yellow/ large star
• yellow/ small star
• yellow/ medium star

The only objects in our Universe that produces and emits its own light is

• Nebulas
• Comets
• Planets
• Stars

Because the Earth is 93 million mies from the Sun, the light from this star takes_____ to reach us.

• 8 hours
• 1 hour
• 8 minutes

True or False:
The North Star is called POLARIS?

• T
• F

What is the term used for a cloud of gas and dust?

• gas giant
• solar dust
• solar cloud
• nebula

True or False:
Star patterns are called constellations.

• T
• F