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Suggested Time: 150 minutes. Science TEKS: 3.11, 4.6, 5.1, 5.2, 5.3, 5.4, 5.5. Math TEKS: 5.11, 5.14, 5.15

Objective

This lesson may take longer than previous lessons, due to 3 internet activities that allow student exploration as they learn about air pollution. It may be divided into two class periods as necessary.

During Lesson Four, students learned about the “dual” nature of ozone, and in particular stratospheric ozone. Today, students will learn about tropospheric or low-level ozone, which is a very harmful air pollutant. Students will learn about how it is created, and how it affects our health. Students will find ways to learn more about air pollution in their own communities, such as by checking the EPA’s Air Quality Index. These explorations will give students a much better understanding of low-level ozone, which they are measuring each day through the GLOBE protocols. Students will also learn about ways that they can help prevent the creation of ground-level ozone.

With this background knowledge, students will spend the second half of class discussing with other students and with the teacher what they have learned about air pollution, ozone, surface temperature, air temperature, humidity, clouds, and wind direction. Students will be asked to create hypotheses regarding what they think the relationships are between the GLOBE measurements they take every day. For example, do they think that on days that that the air temperature is warmer there will be more ozone measured in the air or vice-versa? Today, students will write down the trends they think they will see in their GLOBE measurement data. By the end of the curriculum, on Day Seven, they can use their data to either refute or support their initial conjectures.

Background information

An air pollutant is any gas or particle in the air that causes harm to living things or the environment. Depending on the type of pollutant, the impacts can include respiratory ailments, cancer, birth defects, heart disease, and damage to the environment. Air pollution has these major effects even though it constitutes only a tiny fraction of air molecules. Most air pollutants have a concentration less than one molecule per million air molecules.

There are many types of air pollution . This lesson focuses on the example of tropospheric ozone (also called “low level ozone”) because it can be measured by students, it has been linked to serious respiratory health effects, and because many cities such as Houston exceed federal standards for tropospheric ozone and must find ways to reduce it.

Power plants, factories, vehicles, and other sources do not directly emit ozone into the air. Instead, tropospheric ozone (also called “low level ozone”) forms when emissions of other gases (specifically, nitrogen oxides (NOx) and hydrocarbons (also known as volatile organic compounds, VOCs)) react in the atmosphere in the presence of heat and sunlight. The actual chemical reactions are very complex, but you can think of it in a simplified form as:

Questions & Answers

where we get a research paper on Nano chemistry....?
Maira Reply
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Google
da
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Bhagvanji
hey
Giriraj
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
revolt
da
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
Nasa has use it in the 60's, copper as water purification in the moon travel.
Alexandre
nanocopper obvius
Alexandre
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Rice air curriculum. OpenStax CNX. May 09, 2010 Download for free at http://cnx.org/content/col11200/1.1
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