"Observe the living world around you with a microscope (2)" Micro World PPT teaching courseware

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"Observe the living world around you with a microscope (2)" Micro World PPT teaching courseware

Part One: Questions before class

1. What are the requirements for making temporary mounting films?

——Thin and transparent

2. What is the general process of making temporary mounting films?

——Rubbing, dripping, tearing, spreading, covering, dyeing, absorbing

3. Who was the scientist who discovered and named cells using a microscope?

——Robert Hooke

Use a microscope to observe the living world around you PPT, Part 2: Observation of biological cells

castor

According to experimental speculation, the number of chloroplasts in each square millimeter of castor leaves is as high as hundreds of thousands.

After Robert Hooke first discovered "cells", many scholars observed and studied the stems, buds and fruits of plants, as well as the blood of animals and lower animals under microscopes, and found that they all had the cells described by Hooke. structure. With the improvement of microscope manufacturing technology, people's research on cells has become more and more extensive and in-depth. A large number of research facts have shown 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.

Use a microscope to observe the living world around you PPT, Part 3: The role of cells

The most basic functional unit of living things

Transport oxygen and carbon dioxide

store energy

antibacterial immunity

protect health

photosynthesis

Make nutrients

structural support

sports protection

reproductive effects

reproduce offspring

Use a microscope to observe the living world around you PPT, part 4: What did you learn in this lesson?

leaf epidermis stomata

moss plant cells

oral epithelial cells

chloroplast

red blood cells

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"Tiny World and Us" Tiny World PPT download:

"Tiny World and Us" Tiny World PPT Download Part One: Review and Summary How have human observation tools developed from ancient times to the present? How do people expand their observation horizons? ... ... ... Tiny World and Us PPT, Part 2...

"Tiny World and Us" Tiny World PPT:

"Tiny World and Us" Tiny World PPT Part One Content: Review and Summary Review the learning content of this unit, think about how human observation tools have developed from ancient times to the present, and how people's observation horizons have expanded. Let's talk about two relationship between them. ..

"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...

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Update Time: 2024-09-07

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

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