6+ 顕微鏡使い方中学 Article

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Introduction to Microscopy

Have you ever wondered how scientists are able to see things that are too small for the naked eye to see? This is where microscopy comes in. Microscopes are instruments that allow us to magnify and observe objects that are too small to see with our eyes alone. In this article, we will explore the basics of using a microscope, specifically for junior high school students.

Types of Microscopes

There are many different types of microscopes available, but the most common ones are the compound microscope and the stereo microscope. The compound microscope is used for viewing small, thin specimens such as cells or bacteria, while the stereo microscope is used for viewing larger specimens such as rocks or insects. In junior high school, you will most likely be using a compound microscope.

Parts of a Compound Microscope

Before we start using the microscope, let's take a look at its different parts. The eyepiece is where you look through to see the specimen. The objective lenses are the lenses closest to the specimen, and they come in different magnifications. The stage is where you place the specimen, and the focus knobs are used to adjust the focus.

Preparing the Specimen

Before you can view a specimen under the microscope, you need to prepare it properly. This usually involves placing a thin slice of the specimen onto a glass slide and covering it with a cover slip. You also need to make sure that the specimen is properly lit, either with a built-in light source or an external light source.

Using the Microscope

Once you have prepared your specimen, it's time to start using the microscope. Start by placing the slide on the stage and securing it with the clips. Use the lowest magnification objective lens to locate the specimen, and then adjust the focus until the image is clear. You can then move on to higher magnification lenses to get a closer look.

Tips for Using the Microscope

Here are some tips to keep in mind when using a microscope: - Always start with the lowest magnification lens and work your way up. - Keep both eyes open when looking through the eyepiece. - Use the focus knobs to adjust the focus, not the stage. - Always clean the lenses and stage after use.

Conclusion

Microscopy is a fascinating field that allows us to explore the world of the very small. By following these basic tips and guidelines, junior high school students can learn how to use a microscope and discover the wonders of the microscopic world. So go ahead, grab a microscope, and start exploring!