Water - Liquid Awesome: Crash Course Biology #2

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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?


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