The properties of water What is water? The properties of water

Structure of Water 2 hydrogen 1 oxygen H2O Water is polar - one end is negative, one is positive

Cohesion When water molecules “stick” to other water molecules

Surface Tension Surface of a liquid behaves like a thin film Paper clip in cup of water

Adhesion Water molecules “stick” to another polar substances

Capillary Action Water defies gravity and travels upward Capillary - small tube Example: plants getting water from roots to leaves

Universal Solvent A substance that dissolves most substances Salt Oxygen Carbon Dioxide

Density a measure of the compactness of a substance, expressed as its mass over volume