Simplify the following text for a Grade 5 native English-speaking person.
Original: Units use different names for each membership levelâ '' Cub Scouts are organized as packs , Boy Scouts as troops , Varsity Scouts as teams , Venturers as crews , and Sea Scouts as ships .
Simplified: Boy Scouts are ages 11-17 and belong to troops , groups of Scouts associated with a church , school or post . Cub Scouts are scouts ages 6-10 and belong to packs .