Displacement
Air rises to the surface.
When water rises after you drop an object in it, it is called displacement. The water is displaced by the volume of the object that is submerged, causing the water level to rise.
When water rises into the air, it is called evaporation. Evaporation occurs when liquid water changes into water vapor due to heat energy from the sun.
You can effectively prevent water from splashing out of the bathtub by installing a bathtub water guard, which is a barrier that helps contain the water within the tub.
Buoyancy.
The lack of water pressure in the bathtub could be due to a clog or blockage in the bathtub's water supply line. This can restrict the flow of water specifically to the bathtub, while other areas in the house may have normal water pressure because they are not affected by the blockage. Checking and clearing the bathtub's water supply line may help restore water pressure in the bathtub.
It depends on how big your bathtub is.
To turn off the water supply to the bathtub only, locate the shut-off valve near the bathtub. Turn the valve clockwise to close it and stop the water flow to the bathtub.
That depends upon the volume of the object that is put into the water in the bathtub.
The bathtub trip lever controls the drainage of water by lifting or lowering a stopper inside the bathtub drain. When the lever is lifted, the stopper is raised, allowing water to flow out of the tub. When the lever is lowered, the stopper closes, preventing water from draining out.
When water rises above its normal level, it is called flooding. This can occur due to heavy rain, melting snow, or tidal events. Flooding can lead to property damage and pose a threat to lives and infrastructure.
The path water follows is called the water cycle. Water evaporates from the Earth's surface, rises into the air, condenses to form clouds, and then falls back to the Earth as precipitation in the form of rain or snow.