400-word explanation of windmill production composition

The composition of the windmill is as follows:

1, windmill writing 1

Windmill is a device that uses wind energy to rotate, and its principle is to convert wind energy into rotating power. The following will introduce a simple way to make a windmill.

Get the materials ready first. You need a square piece of thick paper, a bamboo stick, a pair of scissors, some colored pens and glue. Fold the diagonal of the square thick paper in half, and then cut both ends of the diagonal to about one-third of the center with scissors.

Next, fold the four corners to the center and fix them with glue. This will form the blades of the windmill. When the glue dries, decorate the leaves with colored pens.

Then, drill a small hole in the center of the windmill blade with scissors. Insert one end of the bamboo stick into the small hole to ensure that the bamboo stick is closely combined with the blade and fixed with glue.

Choose the right place to place the windmill. Make sure the wind is strong in this location, such as an outdoor garden or balcony. Insert the bamboo pole of the windmill into the soil or fix it on a suitable bracket.

When the wind blows over the blades, due to the special shape and angle of the blades, the power of the wind will be converted into rotating power, which will make the windmill start to rotate. The decoration of the blades will also increase the appreciation of the windmill.

By making windmills, we can not only exercise our hands-on ability and creativity, but also deepen our understanding of the principle of wind energy utilization. This simple windmill making method is suitable for DIY activities of children or students, and it is also an interesting example of popular science education.

2, windmill production composition 2

Windmill is an ancient and interesting device that can convert natural wind into rotating power. Next, I will introduce you to a method of making a simple windmill.

We need to prepare some materials: a piece of plastic paper, a small stick, a thumbtack and a pair of scissors. Cut the plastic paper into squares, then cross the diagonal and fold it in half. So we got a foldable triangle. Next, fold the two sides of the triangle in half to the middle and fix them with thumbtacks.

This will form four blades of the windmill. Remember to fasten them firmly with thumbtacks. Then, dig a small hole in the center of the windmill blade. Insert one end of the stick into the hole to ensure close connection with the blade. Use pushpins or other glue to fix them to prevent them from loosening or moving. Find a windy place to place the windmill, such as an outdoor garden or balcony railing. Ensure that the windmill can rotate freely without hindrance.

As soon as the wind blows, the blades of the windmill will start to rotate. This is because the wind acts on the blades and makes them rotate. You can observe that the speed of the windmill changes with the wind. Through the process of making windmills, we can better understand how wind energy is converted into mechanical energy. This activity is both interesting and educational, and is suitable for people of all ages.

3, windmill production composition 3

Windmill is an ancient and practical tool that uses wind energy to generate electricity, irrigate and pump water. The process of making windmills can help us better understand the principle and structure of windmills, and can also exercise our hands-on ability and creativity.

We need to prepare some materials: a cardboard, a pencil, a pair of scissors, a glue and some colored pens. Then, we can make a windmill according to the following steps: draw a square on the cardboard and cut it out. Cut four small holes in the four corners of the square with scissors. Fold a pair of squares into triangles and stick them together. Draw your favorite patterns or words on the windmill with colored pens. Install the windmill on the pencil so that it can rotate freely.

When we spin the pencil quickly, the windmill will start to turn. This is because windmills use wind energy to rotate, and the rotating windmills can drive other machines to run.

Making windmills can not only help us understand the principle and structure of windmills, but also exercise our hands-on ability and creativity. We can try different materials and methods in the production process to make a more practical and beautiful windmill.

4, windmill production composition 4

If you have an idle abandoned bicycle, then you can consider transforming it into a windmill. This windmill can use wind energy to generate electricity or irrigate crops. Here are some steps to explain how to make this windmill:

You need to prepare some materials: an old bicycle tire, an old bicycle frame, some screws and nails, some wires and glue, etc. Then, you can make it according to the following steps: remove the bicycle tire from the old bicycle. Fix the cross beam of bicycle frame and the rear wheel bracket together with screws and nails to form a stable bracket.

Connect the wire to the hub of the bicycle tire and fix it on the bracket with glue. Drill holes in bicycle tires to increase air circulation. Fill the inside of bicycle tires with water or other liquid to generate electricity when rotating. Put the whole device in strong wind and observe the power generated by its rotation.

This homemade windmill can use wind energy to generate electricity or irrigate crops. When the windmill rotates, its hub will drive the wires to rotate, thus generating electricity. Water or other liquids in bicycle tires can also generate electricity when rotating, which can be used to irrigate crops.

Making this windmill can not only make better use of abandoned bicycles, but also help you understand the utilization and transformation of wind energy. At the same time, it can also exercise your practical ability and creativity.

5, windmill production composition 5

Windmill is a device that uses the energy generated by wheels with adjustable blades or crosspieces driven by wind energy to convert horizontal wind power into rotary motion. It is a kind of green, environment-friendly and renewable energy, which has been paid more and more attention in today's society. Below we will introduce in detail how to make a simple windmill.

We need to prepare some materials: an abandoned plastic bottle, a piece of cardboard, some glue, scissors, a pencil and some markers.

We started making. Cut the cardboard into a trapezoid with the diameter of the bottle at the bottom and the height of the bottle at the top. Then, the trapezoid is rolled up along the bottle and stuck together. This will form the blades of the windmill.

Next, we cut four holes in the bottle, and the size of the holes should allow the blades to rotate freely. Then, we insert the blade into the hole and fix it with glue.

Now, we have completed a basic windmill. When we spin the bottle quickly, the windmill will start to spin. This is because windmills use wind energy to rotate, and the rotating windmills can drive other machines to run.

Of course, we can also draw our favorite patterns or words on the windmill to make it more beautiful. In addition, we can also use abandoned toy cars or other small machines to test the output power of windmills.

By making windmills, we can better understand the utilization and transformation of wind energy. At the same time, it can also exercise our hands-on ability and creativity. We can try different materials and methods in the production process to make a more practical and beautiful windmill. Let's make contributions to environmental protection together!