Explanation of IU's IUs in the Original
Idea Units: Student 035
Student's Original Student'sAnalyzed

     Aluminum is a metal (1) that is abundant (2) and has many uses (3). It comes from bauxite (4) which is an ore (5) and contain aluminum (7). Bauxite contains several (8) other substances (9) which workman extract (10). What they do to bauxite is (1) they grind (11) the bauxite and put (12) it into tanks which have pressure (13). The others substances which are in bauxite (2) are removed (15). To do this (3) they use filters (16). therefore a liquid remains (17). After they put it through several other processes (18), it finally yeilds (19) a chemical which is powdery (20) and white (21). This chemical is alumina (22) which is a mixture (23) that contains aluminum (24) that contains oxygen (25). 


Missing:
# 6 "looks like clay"
# 14 "other substances form a mass"
# 26 "separate the aluminum from the oxygen"
# 27 "use electricity"
# 28 "produce a metal"
# 29 "light"
# 30 "luster"
# 31 "bright"
# 32 " silvery"
# 33 "comes in many forms."
Added IUs:
# 1 "What they do to bauxite is"
# 2 "which are in bauxite"
# 3 "To do this"
Content errors: