| Category | Format | Size |
|---|---|---|
| Fourth Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
"Dissolution Fast and Slow" Dissolution PPT Courseware 2
Description
"Dissolution Fast and Slow" Dissolution PPT Courseware 2
Comparative Experiment
In the two sets of experiments, except for one condition that needs to be studied, the other conditions are the same.
Small conclusion 1
Through experiments, we found that stirring can speed up the dissolution of sugar in water.
Small conclusion 2
Through experiments, it was found that sugar dissolves faster in hot water than in cold water.
Small conclusion 3
Through experiments, it was found that crushing rock sugar can speed up its dissolution in water.
Summarize
Factors that affect how quickly an object dissolves include:
Is the water stirred?
water temperature
particle size of object
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For more information about the PPT courseware "Dissolving Fast and Slowly", please click the "Dissolving ppt Dissolving Fast and Slowly" ppt tab.
"Dissolution Fast and Slow" Dissolution PPT Download:
"Fast and Slow Dissolution" Dissolution PPT download Part 1: Which one dissolves faster 1. To explore whether stirring can speed up the dissolution of salt. Experimental purpose: to test whether stirring can speed up dissolution. Experimental materials: 2 beakers, 20 grams of salt, 1 stirring rod. Experimental steps: ..
"Dissolution Fast and Slow" Dissolution PPT:
"Fast and Slow Dissolution" Dissolution PPT Part 1: Which one dissolves faster? How to make a cup of sugar water quickly? In production and life, it is often necessary to speed up or slow down the dissolution of a certain substance. So, what factors are related to the speed or slowness of dissolution? How to design...
"Fast and Slow Dissolution" Dissolution PPT Courseware 5:
"Fast and Slow Dissolution" Dissolution PPT Courseware 5 What are the characteristics of substances after they are dissolved in water? 1. The substance is evenly and stably dispersed in the water. 2. It will not settle by itself. 3. It cannot be separated by filtration. Which one dissolves faster? The purpose of the experiment is to test whether stirring can speed up dissolution...
File Info
Update Time: 2024-07-02
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