Discovery of batteries (K-A)

• Zinc copper cell (reduction-oxidation) (K-A)
• How to measure? (K-A)
• Battery meter (galvanometer)-video (K-A)
• How Many Turns? (K-A)
• Electrolyte test (pure water vs. vinegar) (K-A)
• Reverse electrodes (polarity) (K-A)
• Electrolyte (strong acid test) (K-A)
• Electrolyte (salt test) (K-A)
• Electrode (distance test) (K-A)
• Electrolyte (temperature test) (K-A)
• Electrode (surface area test) (K-A)
• Standard cell (K-A)
• The battery and electromagnetism (K-A)