1
3b. Makes up 75% of the human body
Water
2a & 13b. The unequal distribution of charge in water molecules makes it
Polar
4b. Water in a solid state is called
ice
5B. the bond that holds one molecule of water to other water molecules of water.
Hydrogen
6b. A Property of water that allows insects to rest upon the surface of water.
7a. __________ _________ creates the skin like surface formed due to the polar nature of the water.
Surface Tension
11a. True or False: A substance that hates or fears water is Hydrophobic.
True
5A. Hydrogen end of one water molecule attracts the _________ charged oxygen end of another water molecule.
negatively
11b. A molecule of water is comprised of two atoms of hydrogen and one atom of
Oxygen
4a. & 8B. Water molecules stick to other water molecules. This property is called__________
cohesion
12b. water loving material
Hydrophilic
1a. & 2B. Hydrogen and oxygen atoms are held together by ________ bonds.
Covalent
5A. Hydrogen bonds form between adjacent water molecules because the _________ charged
positively
6a. & 9b. Water molecules stick to other materials due to its polar nature. This property is called__________
Adhesion
10a. True or False: Hydrogen bonds are strong and require a lot of energy to break
False
3a & 1b. Water is known as the _______ _______
Universal Solvent
3a.The polarity of water allows it to ________ most Substances.
dissolved
10B. The Property of water that explains why a swimming pool might be cold in June, while the external temperature is 90 degrees.
Specific Heat Capacity
7b. Water moving up a straw against gravity is know as ________ __________.
Capillary action
9a. One side of the water molecules has a positive charge , while the other side ha a negative charge. What do the charges indicate about the molecule?
a. Water is a polar molecule
8a. Circle the letter of each sentence that is true about water’s structure.
a. Water is made up of atoms bonded to form molecules.
b. Water contains half as many hydrogen atoms as oxygen atoms.
c. Water molecules tend to push away from each other.
d. The chemical formula for water is H2O.
A & D