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- 1. Multiple Choice
-A water molecule is composed of 2 H atoms and 1 O atom. What is the chemical equation for water?
HO
H2O
H3O
H2O2
- 2. Multiple Choice
Water is a polar molecule, which means it has a positive and a negative side. Hydrogen bonds form when:
The positive end of one water molecule bonds to the positive end of another water molecule.
The negative end of one water molecule bonds to the negative end of another water molecule.
The positive end of one water molecule bonds to the negative end of another water molecule.
- 3. Multiple Choice
The ability of water molecules to stick to each other, creating surface tension is called:
Cohesion
Adhesion
Insulation
Ph
- 4. Multiple Choice
The fact that water can stick to other substances is called:
Ph
Adhesion
Cohesion
Insulation
- 5. Multiple Choice
True or False:
Heat is energy produced by the random vibrations of atoms or molecules.
True
False
- 6. Multiple Choice
Heat Capacity is a measure of the heat required to raise the temperature of 1g of a substance by 1°C.
So...
True or False:
Water has a very high heat capacity, which means it resists changing temperature when heat is added or removed.
True
False
- 7. Multiple Choice
True or False:
Water exists in the following states:
-Solid
-Liquid
-Gas
True
False
- 8. Multiple Choice
Why does ice float on water?
When it freezes it becomes less dense
When it freezes it becomes more dense
When it freezes its density stays the same
- 9. Multiple Choice
True or False:
Ocean surface water greatly affects global temperatures. Even in places that share the same latitude can have very different temperatures due to being near an ocean.
True
False
- 10. Multiple Choice
Ocean surfaces temperatures depend on:
Salinity (how salty it is) only
Latitude, Temperature, Salinity
Rainfall and temperature
Winds, sun, and moon
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