1. How to write a 300-word essay on the topic "Invent a kind of glass yourself".

It is not suitable for you to put this topic in the selection. Combined with the current development situation, imagine a new type of functional glass, it is best to combine it with the surrounding situation.

The function of glass must be novel so that it can attract teachers.

When writing an essay, you should introduce the name and structure of glass, describe its functions in detail, and finally write down your own thoughts. This is a good essay.

One day, I was doing my homework, and suddenly it started pouring outside the window. I quickly closed the window, but after a while, I found that my breathing was not smooth, maybe because of lack of oxygen.

So I had an idea and wanted to invent a new type of glass that can absorb carbon dioxide and release oxygen.

Now let me introduce to you the "oxygen bar glass" I want to invent.

There is a suction cup on the edge of this glass that can absorb carbon dioxide and convert it into oxygen; there are several tiny pores in the middle of the glass that can release oxygen.

After installing this kind of glass in the room, you can breathe fresh air even if the doors and windows are closed.

(For example) 2. An essay about the glass I want to make, 450 words. There are several essays. Use whichever one you like!

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: My fantasy invention--stained glass. With the rapid development of science, inventors are very happy. No, they have recently invented a new type of glass--stained glass. Let me introduce it to you.

. The glass in the past seemed so backward and the same every day, so inventors thought hard and finally invented a new type of glass-"stained glass". Don't underestimate this stained glass, it is amazing, he

It can display different patterns as time and seasons change. In spring, when birds are singing and flowers are fragrant, stained glass also shows various beautiful scenes: a few clouds floating in the blue sky, and flowers on the green grass swaying in the wind, like paving the earth.

On the colorful carpet, on the hill, a string of reds competed with each other, which was extremely beautiful. In summer, the picture on the glass changed again, turning into an endless sea and a golden beach, as if you were there. Autumn

, and it turned into a scene of harvest, with abundant fruits. The various colors are beautiful: yellow, red, and purple.

In winter, the snow is flying on the glass and the cold wind is howling. In this icy and snowy time, a fire is lit to warm people's hearts. How about it, are you excited? Come and buy it quickly, otherwise, it will be gone. Hurry up.

Take action!

—————————————————————————————— The new type of glass I invented In modern society, many people know the importance of money.

If you want to have a lot of money, some people use their own efforts and struggle to earn money, while some people steal or rob. In order to deal with these bad guys, I specially invented a fingerprint glass.

This kind of glass is mostly installed on the door. As long as you press your finger on the fingerprint confirmation position, you can pass safely. If you are a thief, put your fingerprint on the confirmation position or pry the door, and the fingerprint glass can release hundreds of thousands of

The high-voltage electricity must have shocked him to the ground, and he would never dare to steal anything again. Later, I discovered that this kind of glass also had disadvantages, so I tried to modify it. Now this kind of glass has been

Equipped with a psychological test function, as long as you are the owner, you can enter the room without fingerprints. If you are a malicious person, no matter who you are, you will have to taste the high-voltage electricity. The improved version of the glass will also emit lasers.

, and this kind of glass is made of super alloy technology. Needless to say, grenades and bullets cannot be broken by even cannons. Moreover, this kind of glass is very powerful. It can block poisonous gases, ultraviolet rays, and chemical weapons.

Human beings have brought great convenience.

Glass plays a vital role in modern society, and we scientists will do our best to create greater wealth for society!

Liked 2 Scented Glass Liked 1 Dust is an enemy that is difficult to conquer. Just after cleaning, it comes again.

I hope there is a kind of soft glass that absorbs dust, which can absorb dust on the glass. On average, it absorbs the equivalent of dust that you have not swept for a year every day, but it is easy to clean.

Just take the glass off and soak it in water and it will be as soft as a rag.

Rinse gently and it will be clean immediately.

Then put it back and it starts its vacuuming work again. This kind of glass is suitable for installation in the homes of people who love cleanliness or in the homes of office workers who don’t have much time to clean. It will definitely work.

Another type is laminated glass.

Laminated glass is composed of two or more pieces of glass, with 2, 3, 5, 7 layers, up to 9 layers.

It has properties such as heat resistance, durability, and moisture resistance, as well as safety. It is generally used in skylights, showcases, and glass windows in shops and banks.

If your home is fragrant and filled with greenery, you will definitely be happy.

I want to invent a kind of glass for flowers, plants, fish and insects.