B. Electrolysis of Water

Instructions (Part I): Carefully view the below video and complete the summary in your workbook. 

Instructions (Part II): Carefully follow the activity instructions in the video below. Wear safety glasses. Document activity in your workbook. 

Instructions (Part III): Repeat your electrolysis using the alternative procedure outlined in the video below. Discuss with your team the similarities and differences between each method. Which one do you prefer? What do you observe when you reverse the side of the battery each thumbtack is touching? Can you hypothesize a reason for this observation? 

Instructions (Part IV): Record a video of your electrolysis process in action. Type your first name in the “Subject” area. A QR code is provided below for ease of upload.

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