Hidden Humidity Optional Assignment

Please either print out this page or put your answers on a separate piece of paper.
Turn in your assignment at the beginning of class on the first day of class after Spring Break.

1. A mixing ratio of 6 g/kg means there are 6 grams of _______________ mixed in
  with 1 kilogram of _______________.

2. If you know the air's temperature you can look the _______ up in a table.

a. mixing ratio b. saturation mixing ratio c. relative humidity d. dew point

3. Adding water vapor to air will not increase the _______.

a. mixing ratio b. saturation mixing ratio c. relative humidity d. dew point

4. 90^o F air can potentially hold _______ times as much water vapor as 45^o F air.

(hint consult the data on p. 86 in the photocopied class notes)

a. 1 b. 2 c. 5 d. 10

5. To calculate the relative humidity you need to know the _______ and the _______.

a. mixing ratio b. saturation mixing ratio

c. dew point d. air temperature

6. The value of the _______ will tell you whether moist air is saturated or not.

a. mixing ratio b. saturation mixing ratio c. relative humidity d. dew point

7. Based on the data in the figure below, you can say the parcel of 70^o F air has MORE LESS
  the SAME    amount of water vapor than(as) the 85^o F air.

8. Which two of the following variables have the same job, telling you how much water vapor is actually
  in the air?

a. mixing ratio b. saturation mixing ratio c. relative humidity d. dew point

9. The different rates of evaporation in A and B below tell you that the water in A is WARMER COLDER
than the water in B.

The different rates of condensation in A and B tell you there is MORE LESS water vapor in the air
   in A than in the air in B.

The air is saturated in _______ and ________.