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Qingdao Edition Third Grade Science Volume 1	pptx	6 MB

"The Secret of the Water" PPT

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Upload Time: 2024-11-19

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Qingdao edition third grade science volume 1, the secret of the water surface PPT

Part One: Content Import

Bottle swallowing needle

1. When removing the paper clip, be gentle and do not shake the table to avoid spilling water.

2. Count as you put it down. The number before the water flows out is the maximum amount that the bottle can swallow.

3. Carefully observe changes in the water surface.

Coins filled with water

1. The coins should be kept flat and should not hit the desk.

2. Hold the dropper closer to the coin, gently squeeze the rubber tip and drip slowly, dripping onto the center of the coin.

3. The amount of water before the water flows out is the amount of water in the coin.

4. Pay attention to changes in the water surface.

The secret of the water surface PPT, part 2: extracurricular extension

Extracurricular extension

Do other liquids (alcohol, vinegar, soy sauce, beverages, peanut oil, etc.) also have surface tension?

Keywords: Qingdao version third grade science PPT courseware free download, secret of the water surface PPT download, .PPT format;

For more information about the "Secret of the Water Surface" PPT courseware, please click on the "Secret of the Water Surface" ppt tag.

"The Secret of the Water" PPT download:

PPT download of the secret of the water surface. Have you ever played with small water drops? 1. How to put small drops of water on your fingertips? 2. How can you observe when small water droplets drip onto leaves? What was observed? 3. Can you use bamboo skewers to separate the small water droplets on the leaves? If you use a dropper to drop coins...

"The Secret of the Water" PPT courseware:

Qingdao version of third-grade science volume 1, the secret of the water surface PPT courseware, the first part of the content: riddle riddle You can't grab it with both hands, you can't split it with a knife, you have to ask it to do laundry and cooking. Let's observe the water surface in each group's vessel and the water in the paper cup...

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Update Time: 2024-11-19

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"The Secret of the Water" PPT