Saturday, March 17, 2012

Module 2: Air

This module covers humidity, air composition, greenhouse gasses, ozone and air pollution. I would like to spend more time humidity, and broaden it to include dew point, and spend less time on greenhouse gases ozone and air pollution.

Schedule
Monday: Watch videos on humidity and dew point, and do the activity to find the dew point and the activity to make a cloud in a bottle. Record activities in notebook.
Tuesday: Do the activities to model and find the relative humidity in the classroom. Put worksheets in notebook.
Wednesday: Read the section on the composition of air and check out the discovery of nitrogen site.Draw a diagram showing the composition of air in notebook.
Thursday: Read about the greenhouse effect and global warming. Do lab on greenhouse effect. Fill out lab report and put in notebook. Find lab sheets here
Friday: Read and talk about ozone. Using a rope, demonstrate the difference between a high energy wave and a short energy wave. See resource activities on ozone. Go to the air pollution site and watch how they have been tracking the amount of pollutants in the air for the past 10 years.

You will notice I don't spend much time testing. We talk and discuss the subject so much I know what they understand.

Resources

Air- Humidity and Dew point
Video: relative humidity and dew point. Good explanations of the difference.


Very good video on humidity and dew point. Has a couple simple experiments on finding the dew point and making a cloud in a bottle.


 

Worksheet on how to find the relative humidity in your classroom/home, and making models to show visibly the difference between cold and warm air and the amount of moisture they hold.

Air Composition 

Great site on the discovery of the different components of air. 

Ozone 

Good explanation of ozone with related activities

Air Pollution

Video on how pollutants have been tracked for 10 years, showing that the clean air act of 1999 really has improved our air quality.


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