Rehmat Kaur's Science Project

Science Project Report 

 

Class: 6 

Name: Rehmat Kaur 

School: Narayana e-Techno School, Mohali 

Subject: Science 

Topic: Construction of a Simple Electric Table Fan 

Acknowledgement 

I would like to express my sincere thanks and gratitude to everyone who helped me complete this science project successfully. First, I am deeply thankful to my Science teacher Ms. Ankita Bali for guiding me throughout the project, providing valuable suggestions, and encouraging me to learn about electric motors and energy conversion. Their support made this project possible and enjoyable. I am also grateful to our school Principal and the school management for giving me the opportunity to work on such an interesting hands-on project as part of my studies. A special thanks to my parents and my elder brother Gurmat Singh for their constant encouragement, help in gathering materials, and for always believing in me. They supported me emotionally and practically while I was building the fan. I would also like to thank my classmates and friends who shared ideas and helped me during the making process. Finally, I acknowledge the helpful YouTube tutorial (Reference: https://youtu.be/u-pmTDQVeTI?si=mhWn58OrP1NDiZj_) that inspired me and showed similar steps using a DC motor kit, which guided my assembly. Without the help and support of all these people, this project would not have been possible. Thank you all once again! 

Rehmat Kaur 

Class 6 

1. Aim 

To construct a simple electric table fan using a DC motor and study how electrical energy is converted into mechanical energy to make the fan rotate. 

2. Materials Required 

- Green thermocol (foam) base and stand 

- Small DC motor 

- Plastic fan blades (green propeller) 

- Connecting wires (red and black) 

- Slide switch (black) 

- Battery holder or power source (9V battery, not shown in picture but connected) 

- Crocodile clips or screws for connections 

- Glue or pins to fix parts 

  ### 3. Principle 

A DC motor converts electrical energy into mechanical energy. When electric current flows through the motor, it creates a magnetic field that makes the shaft rotate. The fan blades attached to the shaft move air and produce wind. ### 

4. Procedure 

1. I took the green thermocol base which was already cut in the shape of grass and sky with a house design. 

2. I fixed the small DC motor in the center of the upper part of the stand using glue or screws. 

3. I attached the green plastic propeller (fan blades) tightly to the shaft of the motor. 

4. I connected red and black wires from the motor to the slide switch. 

5. I connected the other ends of the wires to the battery holder using crocodile clips. 

6. I placed the switch on the base and fixed everything properly. 

7. Finally, I connected the battery and switched on the fan. 

### 5. Observations 

- When the switch is turned ON, The DC motor starts rotating immediately. 

- The green fan blades spin fast and produce a nice breeze (wind). 

- The fan stands steadily on the table because of the strong thermocol base. 

- If the battery is low, the fan rotates slowly or stops. 

- The fan works quietly and looks very attractive with the green and colorful design. 

  ### 6. Diagram 

(The picture of the completed table fan is attached. It shows the green thermocol base, fan blades spinning on the motor, switch, wires.) 

  ### 7. Result 

The experiment was successful. I was able to make a working table fan using simple materials. 

The fan rotates when electric current is supplied and stops when the switch is turned OFF. 

### 8. Conclusion 

This project helped me understand how a DC motor works and how electrical energy changes into motion (mechanical energy). It is a very useful model to learn about electric circuits, motors, and energy conversion. I enjoyed making this table fan and it looks beautiful too! 

### 9. Precautions 

- Do not touch the rotating blades while the fan is ON. 

- Keep fingers away from the motor and blades to avoid injury. 

- Use only low-voltage battery (like 9V) to avoid shock. 

- Disconnect the battery when not in use. 

- Handle wires carefully to prevent short circuit. 

Submitted by: Rehmat Kaur 

Class 6 

Narayana e-Techno School, Mohali 

Date: February 07, 2026 

Reference URL: https://youtu.be/u-pmTDQVeTI?si=mhWn58OrP1NDiZj_