Explanation of IU's IUs in the Original
Idea Units: Student 075
Student's Original Student'sAnalyzed

     Aluminum is an abundant (2) metal (1) that has many uses (3). It comes from (4) an ore (5) called bauxite, and its appearence is clay like (6). Bauxite contains aluminum (7) and several (8) othe substances (9). Workmen extract these other substances (10) by grinding the bauxite (11) then put (12) the substance in pressure (13) tanks, finally they filter (16) until a liquid remains (17). The bauxite goes through several other processes (18) until it yeilds (19) a white (21) powdery (20) chemical. The chemical mixture (23) is called alumina (22) which contains aluminunm (24) and oxygen (25) The workmen use electricity (27) to seperate the aluminum from the oxygen (26), this produces the metal (28), that has a bright (31) silvery (32) luster (30). Aluminum comes in many forms (33).



Missing:
# 14 "other substances form a mass"
# 15 "remove the mass" [Implied]
# 29 "light"
Added IUs:
 
Content errors: