TEDed - how batteries work

What did Luigi Galvani believe was stored in the very stuff of life?

• Electricity

• Metal

• Chemical paste

• Ions

What did Alessandro Volta believe made the frog's leg twitch?

• Electricity

• Metal

• Chemical paste

• Ions

What did Volta use in his groundbreaking experiment?

• Zinc and copper

• Zinc and paper

• Copper and paper

• Zinc and salt water

What is the process called when zinc loses electrons?

• Oxidation

• Reduction

• Electrolysis

• Ionization

What is the process called when ions gain electrons?

• Oxidation

• Reduction

• Electrolysis

• Ionization

What is the standard unit of electric potential named after Volta?

• Ampere

• Ohm

• Watt

• Volt

What happens when a lightbulb or vacuum cleaner is hooked up between two substances in a battery?

• It gets charged

• It gets discharged

• It gets repaired

• It gets replaced

What happens when a rechargeable battery is plugged in a charger?

• The battery dies

• The battery gets repaired

• The battery gets replaced

• The battery regenerates