| Category | Format | Size |
|---|---|---|
| People's Education Press third grade science volume 2 | pptx | 6 MB |
"Plants and Our Life" Plants and Us PPT Courseware 2
Description
"Plants and Our Life" Plants and Us PPT Courseware 2
main content:
1. Plants and life─food
2. Plants and life─clothing
3. Plants and life─House building materials
4. Plants and Life─Culture
5. Plants and Life─Daily Life
Plants and Life─Food
"Food is the first necessity of the people." In order to survive, humans must eat a variety of foods, and plants are the most important food source for humans. In addition to cultivated food crops, we also eat wild plants. In addition to eating plants directly or indirectly, people also make drinks from plants by decoction or fermentation.
Plants and Life─Apparel
Humans cover their bodies with animal fur or plant fibers to protect themselves from the weather or wild animals and plants.
Vascular plants contain fiber, and stems, bark, leaf sheaths, petioles, leaves, peels, seed hairs, etc. can all be used as fiber raw materials.
Some plants contain natural pigments. The composition of these pigments varies. Some of them can be used as natural coloring agents for food.
Plants and Life─House Building Materials
Wood can create a quiet, warm, and comfortable environment. In addition, wooden houses can regulate temperature and humidity, absorb ultraviolet light, insulate heat, be flame-resistant, shock-proof, and sound-absorbing.
The most important building materials in a house should be the beams and columns that support the weight of the house. Therefore, the wood that can be used as beams and columns is usually relatively hard and thick. It depends on the form and purpose of building the house.
Plants and Life─Culture
In addition to providing daily necessities such as food, clothing, and shelter, plant resources are also widely used in hunting, festivals, and entertainment.
Plants and Life─Daily Life
The relationship between plants and humans can be said to be inseparable, and plants can be seen everywhere in daily life. The methods of utilization range from processing and using certain parts of the plant to directly utilizing the plant.
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For more information about the PPT courseware "Plants and Us Plants and Our Life", please click the "Plants and Us ppt Plants and Our Life ppt" tag.
"Plants and Our Life" Plants and Us PPT Courseware 3:
"Plants and Our Life" Plants and Us PPT Courseware 3 Students, do you like to eat tomatoes? Plants are the main source of food for humans. Plants also provide food and nutrients for animals. Plants can purify the air. Plants in water filter sewage. Plants...
"Plants and Our Life" Plants and Us PPT courseware:
"Plants and Our Life" Plants and Us PPT Courseware Introduction Plants are closely related to humans, and human life is inseparable from plants. Plants provide a variety of resources in various aspects, fundamentally supporting and enriching human life. Plants and humans...
File Info
Update Time: 2024-06-30
This template belongs to science courseware People's Education Press third grade science volume 2 industry PPT template
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