1. Do Now Week of February 17-20

2. Tuesday
What is ozone?
What type of energy does it absorb?
Where is the ozone layer found?

3. Tuesday closure:
What kind of heat transfer is happening in the air in this diagram?
What happens to a substance that ‘absorbs’ energy?
What happens to a substance that ‘radiates’ energy?

4. Wednesday
For each question, choose one term in parentheses:
Energy is absorbed during (evaporation or condensation?)
Evaporation makes the material around it (hotter or colder?)
This form of water is invisible (ice crystals or water vapor?)
Ice crystals form during (condensation or deposition?)

5. Wednesday closure:
List three reasons that a lake takes longer to heat up than the land around it will during the summer.
Which one will cool off faster in the fall? (land or water?)

6. Thursday
Water in which phase has the most energy? (solid, liquid or gas?)
Which phase has the most dense molecules?
Which phase is invisible to our eyes?
From ESRT: (include units)
what is the specific heat of water?
How much energy is released when one gram of water vapor condenses to water drops?
How much energy is absorbed when one gram of ice melts?

7. Thursday closure:
What are two characteristics of heavy air?
Which is heavier, moist air or dry air? Why?
Is the air ‘heavy’ on a hot, humid day, or on a cold, clear day?
If air is ‘low pressure’, will it rise or sink?

8. Friday
The amount of water vapor in the air is called the (dewpoint temperature or relative humidity?)
What causes the dewpoint temperature to change from day to day?
Why do water drops form on the outside of
cold glass of soda or iced tea or water?

9. Friday closure: