[ 515 ] Physical Science GED ® TEST SCIENCE FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Cindy is conducting an experiment on human hearing and musical notes. She blindfolds a subject and plays a reference note like middle C (C 4 ). Next, she plays another note and asks the subject whether the note was higher or lower relative to the reference note. She indicates a higher pitch with one or more plus signs and a lower note with one or more minus signs. She organizes her subject’s responses in a table like this: Musical Note Relative Pitch G 3 – – A 3 – Middle C (C ) 4 0 D 4 + E 4 ++ Using the following data, what is the proper order from lowest note to the highest note? •A 3 •C 4 •D 4 •E 4 •G 3 Lowest ____, ____, ____, ____, ____ Highest