Como fazer MÁQUINA DE CHOQUES com forma de pizza

Manual do Mundo

26 Sept 201707:54

Summary

TLDRIn this engaging script, the host demonstrates how to create a simple electrostatic generator using everyday materials like PVC sheet, aluminum foil, and wool. The process involves charging the PVC with static electricity by rubbing it with wool, then using the charged PVC to attract and repel objects, creating sparks and even lighting up a fluorescent lamp. The script also hints at a surprising levitation experiment with a plastic ring, showcasing the fun and educational aspects of static electricity.

Takeaways

🔬 The video demonstrates how to create an electrostatic generator using simple household items.
🛠️ The main components needed are a PVC sheet, an aluminum shape (like a pizza tray), a piece of wool, and a PVC tube.
🐏 The wool is used to rub against the PVC sheet to generate a static charge due to the PVC's tendency to gain electrons.
⚡ The aluminum tray acts as a conductor to discharge the static electricity generated by the PVC sheet.
👋 The process can result in a shock when the charged aluminum tray comes into contact with a person.
🎥 The video includes a surprise demonstration of electrostatic levitation with a plastic ring at the end.
🌟 The generated static electricity can be used to perform several experiments, such as lighting up a fluorescent lamp.
📊 Static electricity can also be used to repel objects, as shown with the levitation of a plastic ring.
🔋 The video mentions 'Electrons Coppio', a device that can visualize static electricity by repelling aluminum leaves.
🚀 The experiments are designed to be simple and engaging, encouraging viewers to explore the principles of static electricity.
💡 The video concludes with a reminder to subscribe for more educational content.

Q & A

What is the purpose of the experiment shown in the script?
-The purpose of the experiment is to demonstrate how to create an electrostatic generator that can produce static electricity for various fun and educational purposes.
What materials are needed to build the electrostatic generator described in the script?
-The materials needed are a PVC sheet, an aluminum form (like a pizza pan), a piece of wool, and a PVC pipe.
Why is PVC used in the experiment?
-PVC is used because it tends to gain electrons easily, which means it can become negatively charged when rubbed with wool.
What role does the aluminum form play in the experiment?
-The aluminum form acts as a conductor, allowing the transfer of electrons when it comes into contact with the negatively charged PVC.
How does the wool interact with the PVC in the experiment?
-The wool, when rubbed against the PVC, causes the PVC to gain electrons, resulting in a negative charge, while the wool becomes positively charged.
What happens when the aluminum form is placed on the PVC?
-When the aluminum form is placed on the PVC, the negative charge on the PVC attracts the positive charge on the aluminum, leading to a discharge of electrons from the aluminum to the PVC.
What is the surprise experience mentioned at the end of the script?
-The surprise experience is levitating a plastic ring using the static electricity generated by the electrostatic generator.
What are some of the other experiments that can be done with static electricity as suggested in the script?
-Some suggested experiments include activating an electroscope, charging a Leyden jar, levitating paper, creating an electric pendulum, and lighting a fluorescent lamp.
How does the script mention using the electrostatic generator to light a fluorescent lamp?
-The script suggests that by rapidly charging and discharging the electrostatic generator, one can almost light up a fluorescent lamp using the static electricity produced.
What is the significance of the aluminum form being a conductor in the context of the experiment?
-The significance is that the aluminum form allows the movement of electrons, which is essential for the discharge and transfer of static electricity in the experiment.
What is the final demonstration in the script that was not mentioned in the title?
-The final demonstration is the electromagnetic levitation of a plastic ring using static electricity, which was not initially mentioned in the title of the video.

Outlines

00:00

🔬 Building a Simple Electrostatic Generator

The script describes a DIY project to create an electrostatic generator using easily accessible materials such as a PVC sheet, aluminum foil, a piece of wool, and a PVC pipe. The process involves rubbing the wool on the PVC to generate static electricity, where the PVC becomes negatively charged and the wool positively charged. The aluminum foil, acting as a conductor, is used to discharge the static electricity, creating a spark when brought into contact with a person or object. The script also hints at a surprise demonstration at the end of the video.

05:07

🎉 Demonstrating Static Electricity Experiments

This paragraph outlines various experiments that can be conducted using the electrostatic generator built in the previous paragraph. These include activating an electroscope, charging a Leyden jar, levitating paper, creating an electric pendulum, and even attempting to light up a fluorescent lamp using the static electricity generated. Each experiment showcases different properties and applications of static electricity, providing both educational and entertaining content for the viewer.

Mindmap

Keywords

💡Electrolyte

An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water. In the context of the video, it seems to be a misnomer as the script discusses creating static electricity rather than using electrolytes in a solution. The term might be used in error or as a metaphor for the conductive properties involved in the static electricity generation process.

💡Static Electricity

Static electricity is the stationary electric charge present on the surface of objects due to an imbalance of electrons. The video's theme revolves around generating and demonstrating the effects of static electricity through various experiments. For example, the script mentions creating a charge by rubbing materials together, which is a common way to generate static electricity.

💡PVC (Polyvinyl Chloride)

PVC is a type of plastic commonly used in construction and home applications. In the video, a PVC sheet is used as one of the materials to create a static electricity generator. It is noted for its tendency to gain electrons and become negatively charged during the friction process described in the script.

💡Aluminum

Aluminum is a metal known for its good conductivity and is used in various applications, including electrical wiring. In the script, an aluminum object, referred to as a 'pizza tray,' is used to create a static charge. The aluminum's conductivity allows it to transfer the charge in the experiments.

💡Wool

Wool is a natural fiber obtained from sheep and is used in the script to generate static electricity through friction. It is mentioned as the material that tends to lose electrons and become positively charged when rubbed against PVC, illustrating the fundamental concept of triboelectric charging.

💡Insulator

An insulator is a material that does not easily conduct electricity. In the video, PVC is described as an insulator, which means it prevents the movement of electrons generated by static charges. This property is crucial for maintaining the static charge on the PVC sheet during the experiments.

💡Conductor

A conductor is a material that allows the flow of electric charge. Aluminum, as mentioned in the script, is a conductor. It is used in the experiments to transfer and discharge static electricity, demonstrating the difference in behavior between conductors and insulators in the context of static charges.

💡Triboelectric Charging

Triboelectric charging is the process of charging an object after it has been in contact with another surface and then separated, resulting in an imbalance of electrons and a net charge. The script describes this process when wool and PVC are rubbed together, with the PVC gaining electrons and the wool losing them.

💡Electroscope

An electroscope is a device used to detect and measure the amount of electric charge on an object. In the script, an 'electrons coppio' is mentioned, which seems to be a playful or incorrect term for an electroscope. The device is used to demonstrate the presence of static electricity generated by the experiments.

💡Leyden Jar

A Leyden jar is an early form of electrical capacitor that was used to store static electricity. The script refers to a 'laden jar' or 'jade laden,' which is likely a misspelling or mispronunciation of 'Leyden jar.' The video suggests using static electricity to charge such a device.

💡Electric Pendulum

An electric pendulum is a demonstration of the interaction between static electricity and a conducting pendulum. The script describes an experiment where an aluminum pendulum is attracted to and then repels from a charged surface, illustrating the principles of electrostatic attraction and repulsion.

💡Fluorescent Lamp

A fluorescent lamp is a type of gas-discharge lamp that uses electricity to excite mercury vapor and produce ultraviolet light, which then causes a phosphor coating to emit visible light. In the script, it is mentioned as an object that can be 'lit up' using static electricity, demonstrating the ability of static charges to generate enough voltage to excite the lamp.

Highlights

Demonstration of creating an electrostatic generator using simple household items.

Use of PVC sheet and aluminum foil as key components for generating static electricity.

Explanation of the process to create a static charge by rubbing wool on PVC.

The PVC gains electrons and becomes negatively charged while the wool becomes positively charged.

Aluminum, being a conductor, facilitates the movement of electrons.

The aluminum form discharges electrons into the PVC, creating a static charge.

A person can receive a static shock by touching the charged aluminum form.

The electrostatic generator can be reused without needing to be recharged due to the retained charge.

Introduction of five different experiments that can be conducted using the generated static electricity.

Activation of an electroscope to demonstrate the presence of static charge.

Charging a Leyden jar or a plastic bottle to store static electricity.

Creating sparks and shocks by discharging the stored static electricity.

Lifting paper using the generated static charge to demonstrate electrostatic levitation.

Using an aluminum pendulum to create an electric pendulum effect.

Experimenting with lighting up a fluorescent lamp using static electricity.

A surprise demonstration of electrostatic levitation using a ring and a plastic sheet.

The plastic sheet repels itself when both sides are charged with static electricity.