Orbax and Pepper: Lemon LED Experiment

Professor Orbax and assistant Sweet Pepper Chlopak guide viewers through a Guinness World Record challenge to light an LED bulb using fruit power. The video details the materials needed, preparation steps, and assembly of a fruit battery circuit. It emphasizes safety and provides guidelines for timing the challenge. The scientific explanation covers how the lemon, penny, and nail create a battery, with electrons flowing due to the lemon juice's acidity.

What type of nails are required for the fruit-powered LED experiment?

• Copper nails

• Galvanized nails

• Iron nails

• Aluminum nails

What is the first step in preparing the lemons for the fruit battery?

• Inserting the nail

• Connecting the clips

• Rolling the lemon to distribute juice

• Cutting the lemon in half

What should you do after connecting the crocodile clips in series?

• Connect the remaining clip to the LED

• Insert the LED bulb

• Roll the lemons again

• Measure the voltage

What is the purpose of laying your hands flat on the table during the record attempt?

• To ensure safety

• To stabilize the table

• To signal the start of the timer

• To prevent the lemons from rolling

Why do electrons flow between the cathode and anode in the fruit battery?

• Because of the zinc in the nails

• Due to the presence of copper

• Because of the acidity of the lemon juice

• Due to the shape of the lemon