Water - Liquid Awesome: Crash Course Biology #2
Capillary action
How can water defy gravity?
When water evaporates from your skin; that's the principal behind sweating
How does water regulate the body's temperature?
Three
How many forms of water are there?
solid, liquid, and gas
What are the forms of water called?
Dissolve things
What can water do better than any other liquid on the planet?
That water was made up of hydrogen and oxygen
What did the scientist Henry Cavendish discover?
Water
What does all life depend on?
Called hydrophobic, these molecules are "fearful" of water and water pushes them out...therefore these hydrophobic molecules do not dissolve.
What happens when there is a molecule that cannot break the cohesive forces of water?
It sweats
What happens when your body gets too hot?
Cohesion
What is a property that results from hydrogen bonds?
Attraction between two like things
What is cohesion?
Two hydrogen atoms and one oxygen atom
What is water made up of?
Heat
What is water really good at holding in?
Hydrogen bonds
What kind of bonds are created by water molecules?
The earth would not exist as we know it
What would happen to the earth if ice was more dense than water's liquid form
H20
What's the worlds most memorized molecule?
Polarity
Why are water molecules attracted to one another?
There is the possibility that life existed there
Why do scientists get so excited when they find water on planets other than earth?
The ocean keeps the temperatures constant and warm
Why is the temperature better in Southern California than in Nebraska?
Water is less dense as a solid
Why is water a unique element?