Name______WTHS Biology Keystone Review 2012-2013
Water-Liquid Awesome:
Biology # 2
This worksheet goes with podcast # 2 from Crash Course Biology found on youtube
prefix/suffix / meaning
co-
hydro-
-phobic
-philic
Molecular Structure
Label the water molecule and identify the poles as either positive or negative
The Positive ______of one water molecule bonds with the negative _____ of another.
Hydrogen bonds are relatively strong/weak (circle one).
Water has high cohesion which results in high surface tension. Cohesion is when things that are ______bond.
______is the attraction between different molecules.
Water can defy gravity through ______
Water makes a great (meaning it can dissolve a lot of things)
Water is the Universal Solvent. More substances dissolve in water than in any other substance on earth!
¯ The things that water dissolves (the solutes) are known as ______(water loving)
¯ They are hydrophilic because they are ______
Even the Universal Solvent sometimes fails to dissolve. The substances that water is unable to dissolve are known as ______or fearful of water. Theses substances are polar/non-polar (circle one).
ü Henry Cavendish Biolo-graphy
The solid form of water______when added to the liquid form.
This makes life possible!!!
Water also has the ability to hold on to heat which is also known as having a high
Example of water having a high heat capacity you might know from your kitchen:
______
1
WTHS