Rain Alarm

  Every time it rains, do you forget to close the windows or take in your clothes? Fang Teacher's laboratory introduces a science project for you: a rain alarm.

  Do you know what the main principles are in a rain alarm? Would you like to use your own rain alarm to alert you when it's raining outside? Then let's make a DIY rain alarm together!

Experimental focus: Understanding the simple configuration principle of the rain alarm for washing hair.

Objective of the experiment: 1. To understand the main components of a rain alarm 2. To know the role of each component in the rain alarm.

Experimental Cognition
Alarm: An electronic sound device with excellent universal applicability and the ability to immediately produce sound when the circuit is turned on. The alarm is made of eco-friendly materials; it has no odor.
No harmful chemical molecules: with moisture resistance. This product has moisture-proof and water-repellent properties.
Conductive strip: A conductive strip is a negative electrode electrolytic material, which is a thin, continuous metal foil that serves as a conductor. It is easily adhered to the substrate layer and receives the substrate protection layer.
Widely used in industries and other fields.
Tacky glue, conductive medium: Tacky glue is the medium that adheres the battery box to the wire head, and the conductive medium is used to guide the passage of current molecules.

Company Profile

 Chili Toy Factory was established in2007Year. We have experienced10Through unremitting efforts over the past few years, the company has gradually matured.";Our company is a member of the National Ministry of Education Teaching Equipment Industry Association and a leading enterprise in Zhejiang Province's teaching equipment industry. The company has been recognized as a continuous...3Year was awarded by Yiwu City as“Honor Contracts and Keep Credit”Unit2014The year was designated by the Zhejiang Provincial Education Bureau as“Cultural Science Popularization Experimental Equipment Fixed-Point Production Unit”

Chilvog Company is a high-tech enterprise that integrates modern scientific research and development, educational science equipment, curriculum design, teaching resource integration, and technical services. Chilvog, with its high-tech products, is a professional enterprise in the development and production of popular science experiment teaching materials in China. Its products are exported to Europe and the United States.
 After years of accumulation, the company has initially reached a certain scale. In terms of technological innovation, the company has professional design personnel engaged in the development of scientific education products and the upgrade and replacement of existing products. In terms of production, management, and service, the company strictly implements the standards of the ISO9001 international quality assurance system. In marketing, the company's products have been successfully entered many provinces and cities in the country and enjoy a good reputation. For many years, it has provided high-quality, advanced, professional series of modern teaching equipment and professional equipment research and development custom services for the educational community. With excellent, high-quality professional talents and perfect after-sales service, it ensures the excellence of product quality and establishes a good corporate image. The company's scientific education physical series, chemical series, photovoltaic, wind energy, geography, biology, art and other products have successfully won bids in the education bureau tenders many times.

 Chilvog Company continues to adhere to the business philosophy of 'quality first, service to diligence, honesty in conduct', providing excellent equipment and high-quality service for school teaching and research. We are willing to work diligently with new and old friends at home and abroad, join hands to progress, and devote our utmost efforts to education, dedicated to the cause of education.

 ChiliBuy ensures that every child can keep up with the times!!!