"Use a microscope to observe the living world around you (2)" Tiny World PPT Courseware 4

Description

"Use a microscope to observe the living world around you (2)" Tiny World PPT Courseware 4

Steps to prepare onion epidermal slide specimens:

1. dripping water

2. Cut the onion and remove the skin

3. Take the epidermis and put it into the water drops

4. Place the coverslip

5. Drops of iodine

6. Water absorption

When we move the slide while observing the specimen, what do we find?

The direction of movement is exactly opposite to the direction viewed through the eyepiece.

How is the magnification of a microscope calculated?

The magnification of the eyepiece multiplied by the magnification of the objective lens. For example, if the eyepiece is 10 times and the objective lens is 10 times, the microscope can magnify 100 times.

A large number of research facts show that living organisms are composed of cells.

The establishment of the cell theory is hailed as one of the three major discoveries in natural science in the 19th century.

Two other major discoveries in natural science in the 19th century were:

biological evolution

Law of conservation and transformation of energy

Keywords: Micro World teaching courseware, use a microscope to observe the living world around you, download the science PPT courseware for the sixth grade volume 2 of the Education Science Edition, download the sixth grade science slide courseware, download the Micro World PPT courseware, use a microscope to observe the living world around you PPT courseware download, .PPT format;

For more information about the PPT courseware "Use a Microscope to Observe the Living World Around You in a Tiny World", please click on the Tiny World ppt Use a Microscope to Observe the Living World Around You ppt tag.

"Use a microscope to observe the living world around you (3)" Micro World PPT teaching courseware:

"Observe the living world around you with a microscope (3)" Micro World PPT teaching courseware Part One: Questions before class 1. Move the film to the left, where will the objects under the microscope move? Move to the right 2. What does the word above look like when placed under a microscope? 3.How to make foreign...

"Use a microscope to observe the living world around you (3)" Tiny World PPT download:

"Use a microscope to observe the living world around you (3)" Micro World PPT Download Part One: Exploring New Knowledge (1) Collecting and cultivating microorganisms. There are a large number of microorganisms living in the water of fish tanks, ponds, and creeks, and they are the main places for collecting microorganisms. Use dry...

"Observe the living world around you with a microscope (3)" Tiny World PPT:

"Observe the living world around you with a microscope (3)" Tiny World PPT Part One: Observing Microorganisms in Water Since Leeuwenhoek discovered microorganisms with a homemade microscope, scientists have discovered through observation that there are many microorganisms living in nature. let me..

File Info

Update Time: 2024-11-14

This template belongs to science courseware Science Edition for Sixth Grade Science Volume 2 industry PPT template

Preview