In this post we write about making of the dam model making using cardboard for science exhibition project – diy – simple and easy
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Creating a dam model using cardboard and color paper is a fantastic way to understand the structure and function of dams.
Here’s a step-by-step guide to making a simple yet effective dam model for a school project.
Materials Needed:
- Cardboard (for the dam structure and base)
- Color paper (for covering and detailing)
- Scissors
- Glue or double-sided tape
- Ruler
- Marker or pen
- Plastic trays (for water reservoir and river)
- Small stones or gravel (for added realism)
- Blue cellophane or plastic wrap (to simulate water)
- Small toy houses or trees (optional, for landscape)
- Hot glue gun (optional, for stronger connections)
Step by Step Video on DAM model making
1. Prepare the Base and Reservoir
- Base Preparation:
- Cut a large rectangular piece of cardboard to serve as the base of your model. This will hold the dam, reservoir, and surrounding landscape.
- Reservoir and River:
- Place a plastic tray at one end of the cardboard base to represent the reservoir behind the dam.
- Use another plastic tray or create a riverbed with cardboard and cover it with blue cellophane or plastic wrap to represent the river flowing from the dam.
2. Construct the Dam
- Design the Dam:
- Draw the outline of the dam on a piece of cardboard. Typical dams are triangular in cross-section with a wide base tapering to a thinner top. Make the height proportional to your base and reservoir.
- Cut Out the Dam Structure:
- Cut out the dam shape from the cardboard. You may need two identical pieces to create the front and back of the dam.
- Cut strips of cardboard to create the sides and bottom of the dam, forming a hollow triangular prism when assembled.
- Assemble the Dam:
- Use glue or a hot glue gun to assemble the dam structure. Attach the sides and bottom pieces to the front and back pieces.
- Ensure all joints are secure and the dam can stand upright on the base.
3. Cover and Decorate the Dam
- Cover with Color Paper:
- Cut pieces of color paper to fit the dam structure. Choose grey or brown to represent concrete or earth.
- Glue the color paper onto the dam, covering all exposed cardboard surfaces.
- Add Details:
- Use markers to draw details such as bricks, water spillways, and gates on the dam.
- Optionally, glue small stones or gravel at the base of the dam for added realism.
4. Create the Landscape
- Surrounding Landscape:
- Use color paper to create green hills, forests, or any other landscape features around the dam.
- Cut and fold the paper to create 3D elements and glue them onto the base around the dam and reservoir.
- Toy Houses and Trees (Optional):
- Add small toy houses, trees, and other landscape features to create a more detailed scene.
5. Final Assembly and Detailing
- Attach the Dam to the Base:
- Position the dam on the cardboard base between the reservoir and the river.
- Secure the dam to the base using glue or a hot glue gun.
- Simulate Water:
- Use blue cellophane or plastic wrap to simulate water in the reservoir and river.
- Attach the cellophane to the plastic trays and the cardboard base to create a seamless water effect.
- Add Finishing Touches:
- Check all parts of the model to ensure everything is securely attached.
- Add any final details or decorations to enhance the visual appeal of the model.
By following these steps, you can create an informative and visually appealing dam model that effectively demonstrates its structure and function. This project will help in understanding the role of dams in water management and their importance in infrastructure.