Here is a sweet little demonstration to do when teaching physical science learners about solutions or the properties of water. After filling a small cup to overflowing, they sprinkle in some powdered sugar and find that it does not spill over again! You may have more success doing this in class rather than sending it home as the title box suggests; many pupils may not have powdered sugar on hand.
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Pros
- A very visual and relevant proof of the space between water molecules
- Easily done as a demonstration or as part of a lab activity
Cons
- None
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