Simplify the following text for a Grade 7 native English-speaking person.
Original: The USS Arizona Memorial , located at Pearl Harbor in Honolulu , Hawaii , marks the resting place of 1,102 of the 1,177 sailors killed on the USS Arizona during the Attack on Pearl Harbor on December 7 , 1941 by Japanese imperial forces and commemorates the events of that day .
Simplified: The USS Arizona Memorial is in Pearl Harbor , Hawaii . It is to remember the sailors killed when Pearl Harbor was attacked on December 7 , 1941 by the Japanese .