1. What are the three physical states of water?
a. Sun, air, ocean
b. gas, liquid, Water vapor
c. gas, liquid, solid
D. Solid, gas, ice
2. _______ is the only substance that occurs as gas,
liquid, and solid within the range of surface
temperature on earth
3. What is Thermal expansion?
a. The shrinking of a thermal shirt in the dryer
b. The expanding of a substance when heated, and its
contraction when cooled.
c. The reaction within an underwater volcano
d. A chemical disturbance when mixing various
liquids with similar densities.
4.Water is the only substance that when it reaches 4
degrees Celsius it's density drops dramatically while
it’s in its greatest expansion state.h (True/False)
5. What is cohesion?
a. Freezing point of water
b. water molecules sticking together
c. The ability for water to turn into gas
d. Water molecules separating from each other
6. True or False
-Water has the greatest surface tension of all common
liquids.
7.True or False
From the word Latent Heat, the word "latent" means
invisible.
8. What is latent heat of vaporization?
a.)changing from gas into a solid.
b.)breaks the intermolecular bonds and completes the
change from liquid to vapor.
c.)breaks molecular bonds and completes the change
from vapor to liquid.
d.)the process of a solid dramatically changing into a
gas.
9. What is latent heat of melting?
a)the quantity of heat gained or lost per gram by a
substance changing from a liquid to a gas, or vise
versa
b)the melting of frozen substances
c)the quantity of heat gained or lost per gram by a
substance changing from a solid to a liquid, or from a
liquid to a solid, without a temperature change
d)the heating of subtances
10. true/false: Water begins to freeze or ice begins to
melt at 0 C(32 F).