Problem/Question: • Northwood Middle School has been vandalized with graffiti. Six suspects have been taken into custody in connection with the crime. All six claim to be innocent, but several eye witnesses place the suspects at the scene of the crime. Who vandalized Northwood?
The Suspects: • Suspect #1: The Jetsons • Dye of choice: • Red Rorge
The Suspects: • Suspect #2: Scooby Doo • Dye of choice: • Mystery Machine Green
The Suspects: • Suspect #3: Spongebob Squarepants • Dye of choice: • Patrick’s Purple
The Suspects: • Suspect #4: The Flintstones • Dye of choice: • Dinopurple
The Suspects: • Suspect #5: The Smurfs • Dye of choice: • Smurple
The Suspects: • Suspect #6: Bugs Bunny • Dye of choice: • Bugsy Blue
Prediction / Hypothesis: • Form a hypothesis based upon what you know. • If…Then…Because • (MV…RV…Reason) • If we run electrophoresis on the crime sample, • Then we’ll match the suspect to the crime, • Because electrophoresis separates molecules based on charge and size.
Materials: • Make a list of the materials you’ll need to test your hypothesis. • __________________________________________________________________________________________________________________________________________________________________________________________________________________
Procedure: • Diagram and list in steps your procedure. Make sure to include • One controlled variable • One manipulated variable • One responding variable • Logical steps • Measurements • Repeated Trials • Safety Considerations
Conclusion: • Answer your hypothesis • Use data to support and explain your conclusion • Retest considerations