Circle the the size symbol that best describes the size of the Earth compared to the planet you are measuring. 

Earth	<  =  >  almost	Planet Name
Earth	<  =  >  almost	Planet Name
Earth	<  =  >  almost	Planet Name
Earth	<  =  >  almost	Planet Name
Earth	<  =  >  almost	Planet Name
Earth	<  =  >  almost	Planet Name
Earth	<  =  >  almost	Planet Name
Earth	<  =  >  almost	Planet Name

  

PART A:
Complete the table above. 

PART B:
Name of the planet that is always largest. _______________.

Name of the planet that is always the smallest. _____________. 

Name of planets that are sometimes large and sometimes small. ____________________________. 

PART C:
Why are most planets sometimes large and sometimes small?
Are the largest and smallest planets ALWAYS the largest and smallest planets?
Why?