Water Vocabulary Positive charge 2 hydrogen atoms 1 oxygen atom Share electrons negative charge

Polar Molecule Has a positive charge and a negative charge Opposite charges ATTRACT like magnets

Cohesion Water drops sticking to other water drops Because water is polar Why rain drops get bigger Drops on a penny “COnnects to other water

Adhesion Water drops sticking to other surfaces Water “adding” on to another surface Water on a windshield Dew on the grass (wet grass in the morning) condensation

Surface Tension Water molecules sticking together to form a “skin” on top of water Why belly flops hurt Water striders - insects that walk on water

Capillary Action Water moving up or through a material Plant roots absorbing water from soil Paper towels soaking up water

Ice Floats in water because it has LESS DENSITY Polar bears and penguins walk on top of ice Fish survive below the ice

Universal Solvent Water can dissolve a lot of things Because it is polar molecule Solute is the powder that dissolves Solvent is the liquid that dissolves the solute

Videos Video about water properties TedEd