The Many Properties of Water! by gina priscella

Water has many different properties that make it a unique substance. Some of which include cohesion, adhesion, surface tension, and the polarity of water.

Water molecule, made of 2 hydrogen molecules and 1 oxygen atom (H2O)

Cohesion is the property in which molecules resist separating. Adhesion is the process of adhering to a substance or object. The hydrogen bonds and the cohesion/adhesion properties caused the molecules to resist separation, and the water to form the dome shape.

Water takes the shape of a dome due to cohesion and adhesion.

Another special water property is surface tension. Surface tension is the tension of the surface of a liquid caused by the attraction of particles, minimizing the surface area. When water is spread out across lots of space, the surface tension is still strong, but not as strong as if there was limited space. In an experiment we conducted at school, we saw that when adding soap to water, the surface tension decreases. This is because the hydrogen molecule bond was "interrupted."

The water dome was smaller when combined with soap.

Lastly, water is also a polar substance, which means it is made up of positively and negatively charged atoms. The polarity of water causes the hydrogen to be slightly positively charged and the oxygen slightly negatively charged.

Water truly is an extraordinary substance!!!!

Created By
Gina P
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Created with images by Graylight - "Drops of Web" • PSC1121-GO - "Mundy1"

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