You watch to see the passengers in cars that pass...
Classification
To investigate different types of matter, students are asked to seperate items on the table...
A titration is used to determine the pH...
Experimentation
You mix two aqueous solutions together...
A wooden splint is placed above a test tube...
To determine the activity series, several metals and solutions containing those metals are used...
Explanation:
I abreviated the text in each box, but you should get the gist of which belongs in which categories. Let me know if you need further explanation on what warrants classification in the observation, classification, and experimentation categories.