COMO FAZER A PILHA MAIS FACIL DO MUNDO - EXPERIMENTO DE QUÍMICA

Summary

In this video, Eric demonstrates how to make a simple homemade battery using everyday materials like a mold, nails, screws, copper wire, salt, and water. He walks through the step-by-step process of assembling the battery, explaining the chemistry behind it, including how galvanized screws and copper create an electrical reaction. The battery generates 10.5 volts, enough to power small devices like LEDs and a solar-powered calculator. Eric explains that the energy produced is temporary and discusses the science behind it, encouraging viewers to explore more with his channel.

Takeaways

• 😀 You can make a simple homemade battery using basic materials like an ice tray, galvanized screws, copper wire, salt, and water.
• 😀 This DIY project can be useful for science fairs and is a great way to explore basic electrical circuits.
• 😀 The process involves cutting copper wire, inserting screws into an ice tray, and filling the compartments with a saltwater solution.
• 😀 Galvanized screws (iron with a zinc coating) play a crucial role in the battery’s function by releasing electrons to generate electricity.
• 😀 The copper wire connects the screws and allows the electrical current to flow, completing the circuit and powering devices.
• 😀 A multimeter can be used to measure the battery’s voltage, which in this experiment reaches around 10.5 volts.
• 😀 The battery is tested by powering LEDs and a solar-powered calculator, demonstrating its functionality.
• 😀 The salt in the water helps improve the conductivity of the solution, aiding in the generation of electricity.
• 😀 The energy produced by the battery is limited, as the zinc coating on the screws will eventually deplete, stopping the electrical production.
• 😀 This homemade battery is a simple example of a galvanic cell, where two different metals create an electrochemical reaction to generate electricity.
• 😀 While this homemade battery is not powerful enough for large appliances, it is a valuable educational tool for understanding basic battery function.

Q & A

What materials are needed to create the homemade battery?

The materials required for the homemade battery include an ice cube tray, galvanized screws, copper wire, salt, and water.

How does the homemade battery generate electricity?

The homemade battery generates electricity through a chemical reaction that occurs when zinc-coated galvanized screws release electrons, which are then conducted through the copper wire and the saltwater solution.

What role does salt play in the homemade battery?

Salt is used to enhance the conductivity of the water, allowing for better electrical current flow between the components in the battery.

What are the key components of the battery's structure?

The key components are the galvanized screws (which release electrons), the copper wire (which conducts the electrons), and the water mixed with salt (which allows for conductivity).

Why is it important that the copper and screws do not touch in the ice cube tray?

It is crucial that the copper and screws do not touch because if they do, it would create a short circuit, preventing the battery from functioning properly.

What voltage does the homemade battery produce?

The homemade battery produces approximately 10.5 volts, as measured by a multimeter.

Can the homemade battery power larger devices like a TV or refrigerator?

No, the homemade battery cannot power large devices such as a TV or refrigerator. It produces limited power and is only capable of powering small devices like LEDs or a basic calculator.

What is the role of galvanized screws in the battery?

Galvanized screws are made of iron coated with zinc. The zinc coating prevents rust and helps to release electrons, which is crucial for generating electricity in the battery.

How long does the homemade battery last?

The homemade battery's energy lasts only for a short time, as once the zinc starts releasing electrons, the energy will deplete.

Why is the homemade battery described as a simple science experiment?

The homemade battery is considered a simple science experiment because it demonstrates basic principles of electricity and chemical reactions using easily accessible materials like screws, copper wire, and saltwater.