"Classification of Matter" PPT (first lesson)

Description

"Classification of Matter" PPT (first lesson)

Part One Content: Learning Objectives:

1. Learn to find the characteristics of substances based on experimental phenomena and choose different classification standards to classify substances;

2. Learn to classify various substances according to their composition flow charts;

Classification of substances PPT, Part 2: Methods of classifying substances

Please give some examples of applying taxonomy based on your life experience?

Arrangement of medicines in a hospital or laboratory

Classification of animals and plants; arrangement of one’s own clothes…

1. Classification requires careful observation and research, and classification according to certain standards.

2. It is necessary to understand the basic properties of these substances when classifying.

Such as: status, color, smell, whether it is soluble in water, etc.

【Ask a question】

What substance is in each beaker?

【Design】

According to the characteristics of known substances and unknown substances, such as state, color, odor, solubility, flammability, etc., substances can be classified into categories through comparison using experimental methods.

Classification of substances PPT, part 3: practice

1. Summarize several methods of classifying substances.

The existence state, conductivity, water solubility, color, odor, flammability, elemental composition, etc. of a substance

2. There are three solutions: concentrated hydrochloric acid, copper sulfate, and ferric chloride. The properties that can distinguish them are ( )

A. Status B. Odor

C. Color D. All the above three can be distinguished

3. Among the following substances or properties, it is impossible to distinguish CO from CO2 ( )

A. Solubility B. Flammability

C. Lime water D. Odor

Keywords: Zhejiang Education Edition ninth grade science PPT courseware free download, classification of substances PPT download, .PPT format;

For more information about the "Classification of Substances" PPT courseware, please click on the "Classification of Substances" ppt tag.

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Update Time: 2024-11-22

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

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