Can you please order them in alphabetical order of project, and then of scientist name?
SELECT T1.Name ,  T3.Name ,  T3.Hours FROM Scientists AS T1 JOIN AssignedTo AS T2 ON T1.SSN  =  T2.Scientist JOIN Projects AS T3 ON T2.Project  =  T3.Code ORDER BY T3.Name ,  T1.Name
alphabetical order of project refers to ORDER BY Projects.Name; then of scientist name refers to, and then ORDER BY Scientists.Name;