Standards

5.1.1 Recognize and describe that results of similar scientific 
investigations may turn our different because of inconsistencies in 
methods,materials,and observations.

5.2.3 Choose appropriate common materials for making simple mechanical 
constructions and repairing things.

5.2.6 Write instructions that others can follow in carrying out a procedure.

5.2.7 Read and follow step-by-step instructions when learning a new 
procedures.