how does a water bubble seal itself?
when one mixes water and soap and with the help of a pipe creates a bubble, then one can observe that as soon as the bubble comes free of the pipe, it seals itself on the spot where just before the pipe flowed into it. this occurs because water always attracts other water and thus one side of the bubble’s opening migrates to the other side.
- does the earth have a circulatory system of water?
- can it be proven that the interior of the earth is permeated with underground streams?
- how does a river start on top of a mountain?
- why doesn't water cover the entire earth?
- did water originally come from the earth's interior?
- why does water flow upwards if it is blocked directly at the source?
- why doesn't evaporated water rise?
- why does more water flow out of an underground stream than from a higher region?
- how does water behave in a container when someone knocks the container?
- how can one dispel the error that claims the sea level is higher than the highest mountain?
- how can one determine the weight of a ball in parts?
- does the length of a pipe influence the speed of the flow through it?
- how can one determine the volume of evaporated water?
- why does smoke change its speed when ascending?
- ändert sich das wassergewicht, je nachdem, wie man eine wassergefüllte rohre neigt?
- why is the sky blue?
- how does air thicken?