Name three substances that could be added to the water to make the steel needle to sink

The steel needle floats on top of the water because of surface tension. Surface tension happens because the water molecules at the surface of the water are strongly attracted to each other more than they are to the air molecules above them. The water molecules make an invisible skin on the water’s surface that allows things like the needle to float on top of the water.

When soap is added to the water, the water molecules aren't drawn together as strongly. The soap molecules combine with the water molecules and lessen the liquid’s surface tension. The new attractions between the air, water, and soap molecules are weaker than the water-to-water attractions. As a result, the liquid’s surface is no longer strong enough to support the weight of the steel needle and the steel needle sinks.

when a Steel Blade is placed on water horizontally just surface tension and the buoyancy will be able to balance the weight of the blade and it will float on the water surface you know the boy and she is not sufficient to make the Steel Blade float now if you are detergent what are the surface tension of water immediately decreases the surface tension no longer be able to balance The Blade and it will sink

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the answer would be c. motion and direction

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probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop