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Will string float or sink in water?
A string will typically sink in water due to its higher density compared to water. However, if the string is less dense than water (such as a helium-filled balloon attached to it), it may float.
Why was the rock tied to a string before being immersed in the water?
The rock was tied to a string to prevent it from sinking to the bottom of the water body. The string allowed the rock to be lowered into the water and then retrieved easily without having to dive in.
Why is it difficult to pour water from a narrow necked bottle?
It is difficult to pour water from a narrow necked bottle because the narrow opening restricts the flow of the water, causing it to pour out slowly. Additionally, air is unable to flow into the bottle quickly enough to replace the exiting water, creating a vacuum effect that further hinders the pouring process.
How can I make ice cubes using boiled water?
To make ice cubes using boiled water, simply boil the water first and then let it cool down to room temperature. Pour the cooled boiled water into an ice cube tray and place it in the freezer until the water freezes into ice cubes.
How does silly string work?
Silly string is propelled by a pressurized container that releases the string in a foam-like consistency when the nozzle is pushed down. The string is made of a liquid plastic solution that solidifies quickly upon contact with air, creating the stringy effect.
