3. The most popular ones can also provide stunning visuals
Pour a glass of soft drink of your choice, even though it takes precedence over it, and beat yourself up! However, the carbonation tends to go away after a while, so it's a good idea to get to work quickly. The longer a drink is exposed to the air, the longer the carbonate must bubble up and escape. Then you'll be left with a flat, dark liquid container - and who wants a photo of that thing?
Mineral or carbonated waterworks here too, and there are several variations of soft drinks in different colors, "brown, orange, and" in, "to mention some of the main options. You can gradually dilute the dark tones and arrange different scientific experiment variations. However, you may not want to drink those glasses after the photo session is over.
