"Organics and Organic Synthetic Materials" PPT (Lesson 2)

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"Organics and Organic Synthetic Materials" PPT (Lesson 2)

Part One: Teaching Objectives

1. Understand the organic matter that is of great significance to life activities

2. Understand the material cycle and common organic materials in nature

Organic matter and organic synthetic materials PPT, Part 2 content: Organic matter in living organisms

1. The most basic organic compounds in the human body include _____, ______, __ ___, etc.

2. The role of organic matter in the human body

Organic matter is the main component of various tissues of living organisms. The growth and development of the human body and the metabolism of various tissues in the body require the participation of various organic substances.

_____ is the main source of energy required for life activities.

_____ is the basic substance that constitutes living organisms.

_____ is the basic substance that constitutes living organisms.

3. Sugar

(1) Element composition:

(2) Common sugars:

Glucose, sucrose, maltose, fructose, lactose, starch and cellulose, etc.

The simplest sugar is glucose (C6H12O6)

Some foods, such as noodles, bread, rice, etc., mainly contain sugars. These sugars will produce glucose after being degraded in the human body.

Starch turns blue when exposed to iodine and is used for starch testing.

(On the contrary, starch can also be used to test for iodine)

Organic matter and organic synthetic materials PPT, Part 3: Thoughts and discussions

What does "white pollution" mainly refer to? How to solve?

A large number of waste agricultural films, packaging plastic films, plastic bags and disposable plastic tableware are discarded in the environment after use. Since most of the waste plastic packaging is white, the environmental pollution caused is called "white pollution" .

(1) Manufacturing and using degradable plastics.

(2) Do not throw away plastic products at will, recycle them and make them again.

(3) Reuse certain plastic products such as plastic bags, etc.

Organic matter and organic synthetic materials PPT, Part 4 content: Classroom exercises

1. The main substances ingested by the human body are: ① Protein ② Carbohydrates ③ Grease ④ Vitamins ⑤ Inorganic salts ⑥ Water ⑦ Air, etc.

Among them, organic compounds are--()

A． ①②③④B． ①②③⑥

C. ②⑤⑥⑦ D. ③④⑥⑦

2. The main materials contained in the following daily necessities are organic synthetic materials ( )

A． Silk scarf b． pure cotton socks

C. Stainless steel pot D. plastic bucket

3. Among the following substances: ① chloroform, ② water, ③ alcohol, ④ gasoline, ⑤ salt water, the ones that can dissolve fat are ----- ( )

A. ①②③ B. ③④⑤ C②⑤ D.①③④

Keywords: Zhejiang Education Edition ninth grade science PPT courseware free download, organic matter and organic synthetic materials PPT download, .PPT format;

For more information about the "Organic Compounds and Organic Synthetic Materials" PPT courseware, please click on the "Organic Compounds and Organic Synthetic Materials ppt" tab.

"Organics and Organic Synthetic Materials" PPT courseware:

"Organic Compounds and Organic Synthetic Materials" PPT Courseware Part One: Some Simple Organic Compounds 1. The concept of organic matter (1) Compounds containing carbon are usually called organic compounds, or organic compounds for short. Corresponding to organic matter is inorganic matter, which includes elemental substances..

"Organics and Organic Synthetic Materials" PPT (first lesson):

"Organic Compounds and Organic Synthetic Materials" PPT Part One Content: Teaching Objectives 1. Be able to distinguish between inorganic substances and organic substances 2. Know the properties and uses of some simple organic substances. ... ... ... Organic matter and organic synthetic materials PPT, part 2: simple organic...

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Update Time: 2024-08-18

This template belongs to science courseware Zhejiang Education Edition Ninth Grade Science Volume 1 industry PPT template

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