Properties Water
The attraction of water molecules to themselves.
What is cohesion?
What kind of bonds cause water molecules to be attracted to each other?
Hydrogen bonds
The gas form of water.
What is water vapor?
The chemical formula of water
H2O
Water turns from a liquid to a gas.
Evaporation
The attraction of water molecules to other substances.
What is adhesion?
Why is water called the universal solvent?
Its unique polar nature allows it to dissolve more substances than any other liquid.
The "sphere" which contains all forms of water on Earth.
What is the hydrosphere?
How do we describe a molecule whose one side is positively charged and whose other side is negatively charged?
A polar molecule.
The term that refers to the evaporation of water vapor from plant leaves.
Transpiration
The cohesive forces at the liquid's surface, creating a "skin" that minimizes surface area.
What is surface tension?
The liquid that a solute is dissolved in.
What is a solvent?
What happens to the temperature of your skin when your sweat evaporates from it?
It cools
The bonds between water molecules.
What are hydrogen bonds?
The water cycle is driven by energy from the ___________.
Sun
Water takes a lot of energy to change phases.
What is high heat of vaporization?
Name the three phases of water.
ice, liquid water, water vapor.
What do we call the substance that we dissolve in water?
Solute
A substance that "likes" to stick to water is called
Hydrophilic
What is the percentage of salt water on Earth?
Almost 97%
A substance that is repelled by water is known as
Hydrophobic
A mixture in which one substance is dissolved in another
A solution
The boiling point of water and the freezing point of water in Celsius.
The freezing point is 0°C, and the boiling point is 100°C
Which phase of water has the most kinetic energy?
Gas, water vapor
A cloud at ground level
What is fog?