properties of water lab
DESCRIPTION
Properties of Water Lab. What happened in this lab?. Station One. Penny & Water. Properties shown: Adhesion: Water sticks to the penny: Cohesion: Water sticks to water to give the bubble effect and allow so much water to fit in a tiny space. Station Two. Wax Paper & Water & Oil. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Properties of Water Lab](https://reader036.vdocuments.us/reader036/viewer/2022062520/568163ff550346895dd59d4f/html5/thumbnails/1.jpg)
Properties of Water Lab
What happened in this lab?
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Station One
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Penny & Water
Properties shown:• Adhesion: Water sticks to the penny: • Cohesion: Water sticks to water to
give the bubble effect and allow so much water to fit in a tiny space.
![Page 4: Properties of Water Lab](https://reader036.vdocuments.us/reader036/viewer/2022062520/568163ff550346895dd59d4f/html5/thumbnails/4.jpg)
Station Two
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Wax Paper & Water & OilProperties of water shown:• Water is polar and wax is nonpolar (remember like
only dissolves like) so the water just sits on the wax paper like a bead, when you drag them together they form a big bubble (cohesion: water sticking to water)
• Oil is non-polar and so is wax, like dissolves like, so the oil dissolves through the paper, does not show the same properties as the water.
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Station Three
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Ice in Water & AlcoholProperties of water shown:• Ice floats in water because it is less dense than water.• Ice sinks in alcohol because it is more dense than
alcohol.• Fish can survive in the water because ice floats in
water and insulates the bottom of the pond. (high specific heat: hydrogen bonds resist extreme changes in temp).
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Station Four
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Paper Clip in Water & Add Soap
Properties of water shown:Paper clip floats because cohesion (water sticking to water) allows for surface tension to form.Paper clip sinks because the soap is non-polar and breaks the hydrogen bonds in water. (no more surface tension).
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Station Five
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Capillary Tube & Blue WaterProperties of water shown:
Adhesion: The water rises up in the tube by sticking to the sides of the tube. This is how a tree moves water from the ground to its leaves.
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Station Six
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Water & Alcohol with Sugar & Salt
Properties of water shown:Water is a solvent and it is polar so it dissolves the sugar and the salt very well.Alcohol is less polar than water so it is not as good as a solvent as water is, so the solutes do not dissolve in alcohol.