"Comparison of Water and Food Oil" Water and Air PPT Courseware

Description

"Comparison of Water and Food Oil" Water and Air PPT Courseware

1. Analysis of teaching materials

"Comparison of Water and Edible Oil" is the content of the second lesson of the fourth unit of the third-grade science volume of the textbook. It mainly conducts comparative research on water and edible oil to enable students to recognize their differences from multiple aspects and understand their differences. Their similarities are summarized and improved. It lays a good foundation for the following exploration of the contrast between water and air.

2. Academic Situation Analysis

Although third-grade students have a certain perceptual understanding of water and know the general characteristics of water and cooking oil, their essential differences are vague. These must be cultivated, exercised and improved in this class and future teaching.

3. Teaching objectives

Scientific concept: Compared with oil, water has differences in color, smell, transparency, viscosity, droplet shape, weight, etc., but what they have in common is that they both flow and have no fixed shape.

Process and method: Use different senses to carefully observe and compare water and oil, record the comparison results in charts, analyze and communicate.

Emotions, attitudes, and values: Willing to cooperate with others, willing to communicate, respect facts, and value evidence.

Observation method

Use your eyes to compare the color and transparency of water and cooking oil;

Compare their smells with your nose;

Hands touch to discover how they feel to touch;

There is generally no need to taste the method!

7. Teaching process

(1) Create situations and introduce excitement

(2) Actively explore and acquire new knowledge

Activity 1: Observe water and cooking oil

Activity 2: Comparison of droplets

Activity 3: Compare the weights of water and oil

Activity 4: Observe the similarities between water and cooking oil

Training base camp

1. Fill it out.

1. Comparing the same volume of water and oil, water is ____ than oil.

2. When you lack understanding of a liquid, you cannot easily ____ or ____.

2. Judgment questions.

1. All flowing objects are liquids. ( )

2. You can use your nose to smell unfamiliar liquids directly. ( )

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For more information about the "Water and Air Comparison of Water and Food Oil" PPT courseware, please click on the Water and Air ppt Comparison of Water and Food Oil ppt tag.

"Comparison of Water and Food Oil" Water and Air PPT Courseware 3:

"Comparison of Water and Food Oil" Water and Air PPT Courseware 3 Activity 1 Observe water and cooking oil What observation methods can you think of? Look (color, transparency) Smell (smell) Tilt the cup (compare their flow conditions and the degree of residue on the cup wall) Stir with a wooden stick...

"Comparison of Water and Food Oil" Water and Air PPT Courseware 2:

"Comparison of Water and Food Oil" Water and Air PPT Courseware 2 Activity 1 Observe water and cooking oil Look at the color, smell, smell, and viscosity Activity 2 Compare drops of liquid Activity 3 Compare the weight of water and oil 1. Why do wooden strips float out of water and oil The height of the liquid level is different? 2. Water...

File Info

Update Time: 2024-10-23

This template belongs to science courseware Third Grade Science Volume 1, Textbook Edition industry PPT template

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