Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Third Grade Science Volume 2, Textbook Edition
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Qingdao Edition Fourth Grade Science Volume 2
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 1
E-education edition fifth grade science volume 2
Qingdao Edition Fifth Grade Science Volume 2
Fourth-grade science volume 2 of the E-education edition
Fifth Grade Science Volume 2, Textbook Edition
Zhejiang Education Edition Seventh Grade Science Volume 2
E-education edition third grade science volume 2
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Category | Format | Size |
---|---|---|
Science Edition for Sixth Grade Science Volume 2 | pptx | 6 MB |
Description
"How to Make It Bigger" Tiny World PPT Courseware
The magnification power of a convex lens is limited. How can we make the object larger?
Make a simple microscope
Find two convex lenses with different magnifications and adjust the distance between them to observe the object until you can see it most clearly.
Then remove a convex lens and compare the differences in the objects seen twice.
Repeat it several times and see what you find?
Move up and down to adjust the distance between the two convex lenses until you find the clearest image of the object. Use a plastic tube to fix the two lenses, and a simple microscope is ready. Try it and see if the image of the object is enlarged.
tips
In the 17th century, it was discovered that combining two convex lenses significantly improved magnification capabilities. This is because one convex lens further magnifies the image formed by the other convex lens. This is the early microscope. The microscope is an amazing invention that has broadened human vision a lot.
Use a homemade microscope to observe surrounding objects. Compared with a magnifying glass, does the magnification of the image of the object increase?
Have we discovered something new? Write down our findings.
Development of the microscope
The invention of the microscope was a great leap forward in mankind's understanding of the world, bringing mankind into a brand new microscopic world.
Optical microscope
An optical microscope is an optical instrument that uses optical principles to magnify and image tiny objects that cannot be distinguished by the human eye, so that people can extract detailed structural information.
electron microscope
An electron microscope, referred to as an electron microscope, is an instrument that uses electron beams and electron lenses instead of light beams and optical lenses based on the principles of electron optics to image the fine structure of matter at very high magnification.
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"How to Make It Bigger" Tiny World PPT teaching courseware:
"How to Make It Bigger" Micro World PPT Teaching Courseware Part One: Collaborative Exploration Discussion: The magnification power of a convex lens is limited, how can we make objects bigger? Exploration and research: Use two hands in tandem, or one up and one down to hold two...
"How to Make It Bigger" Tiny World PPT download:
"How to Make It Bigger" Tiny World PPT download Part 1: Questions before class 1. What is a crystal? 2. What are the two common methods of making crystals? 3. List several common crystals. 4. List several common amorphous crystals. 5. Crystals in nature...
"How to Make It Bigger" Tiny World PPT:
"How to Make It Bigger" Tiny World PPT Part One: Make a Simple Microscope The magnification power of a convex lens is limited and can only magnify up to about 25 times. How can we make objects bigger? Find two convex lenses with different magnifications and adjust...
File Info
Update Time: 2024-09-04
This template belongs to science courseware Science Edition for Sixth Grade Science Volume 2 industry PPT template
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