Question 15
The following actions influence the dissolving rate of sugar in a cup of water. Put a check mark in the appropriate column.
| Action | Fast | Slow | No influence |
| --- | --- | --- | --- |
| Heating water | | | |
| Stirring | | | |
| Adding more water | | | |
| Adding air bubbles | | | |
| Blowing the water surface | | | |
| Action | Fast | Slow | No influence |
| --- | --- | --- | --- |
| Heating water | | | |
| Stirring | | | |
| Adding more water | | | |
| Adding air bubbles | | | |
| Blowing the water surface | | | |