States of Water
True/False-Water's boiling point is 212 degrees Celsius.
False-Water's boiling point is 100 degrees Celsius.
What is the structure of water?
2 hydrogen atoms and 1 oxygen atom
True/False-Water is the only substance on Earth's surface that occurs naturally in all three physical states.
True
How much of Earth's surface is covered in water?
70 percent
What is water's freezing point? (Celsius)
0 degrees Celsius
Is water polar or non-polar?
polar
What is the difference between cohesion and adhesion?
cohesion-water molecules stick to other water molecules, adhesion-water molecules stick to other surfaces/objects
True/False-A water molecule's polar-covalent bonds form a 105 degree angle.
True
What are 3 characteristics of water at room temperature?
transparent, odorless, tasteless, and nearly colorless, 20 degrees Celsius
What holds water molecules together?
Hydrogen Bonds
What are 3 properties of water?
ice floats, surface tension, evaporation, specific heat, adhesion and cohesion
______percent of Earth is covered in water. _____ percent is salt water and _____ percent is fresh water. _____ percent of the fresh water is frozen.
70%, 98%, 2%, 90%