| Category | Format | Size |
|---|---|---|
| Hunan Education Edition Third Grade Science Volume 1 | pptx | 6 MB |
"Dissolution" wonderful water PPT courseware
Description
"Dissolution" wonderful water PPT courseware
Table salt in water...
Experimental equipment: beaker, spoon, glass rod, salt, water
1. Take a level spoonful of salt and place it in the water in the beaker and observe.
2. Stir gently for a few times and observe.
3. Stir for a while, let it sit, and observe.
sand in water...
Experimental equipment: beaker, spoon, glass rod, sand, water
1. What does sand look like when it is not put into water?
2. Take a flat spoonful of sand and place it in the water in the beaker for observation.
3. Stir gently for a few times and observe.
4. Stir for a while, let it sit, and observe.
In conclusion
For example, when salt particles and potassium permanganate particles are "hidden" in water, we say they are dissolved in water.
Expand and extend
Let’s talk about it: Where in life are there still dissolution phenomena?
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For more information about the "Dissolving Wonderful Water" PPT courseware, please click the Dissolving ppt Wonderful Water ppt tag.
"Method of Separating Salt and Water" Dissolution PPT Download:
"Method of Separating Salt and Water" Dissolution PPT download Part 1: Will salt and water evaporate together? Experimental purpose: to verify whether salt and water evaporate together. Experimental materials: 1 cup of concentrated salt water, 1 cup of clean water. Experimental steps: (1) Dissolve the salt at the bottom of the cup. ..
"Method of Separating Salt and Water" Dissolve PPT:
"Methods to Separate Salt and Water" Dissolution PPT Part 1: Will salt and water evaporate together? Observe the concentrated salt water we collected in the experiment. There is still undissolved salt at the bottom of the cup. Use a pen to mark the level of concentrated salt water. Add water little by little..
"How many grams of salt can be dissolved in 100 ml of water" dissolving PPT:
"How many grams of salt can be dissolved in 100 ml of water" Dissolution PPT Part 1 Content: How many grams of salt can be dissolved in 100 ml of water 1. Experimental plan to study how many grams of salt can be dissolved in 100 ml of water Determine the question to be discussed: To study how much can be dissolved in a glass of water grams of table salt, must...
File Info
Update Time: 2024-07-11
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