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Industrialization
of the American Landscape -
Chemistry Lessons
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Big
Idea |
Nuclear reactions release energy without the combustion products of burning fuels, but the radioactivity of fuels and by-products poses other risks, which may last for thousands of years. |
Essential
Question |
Is nuclear energy the fuel of the future? |
Learning
Cycle |
Lesson
Title & Description |
Objective
Students will: |
Class
period & week |
Engage |
Reactor Incident
Students are introduced to Chernobyl incident and the resulting environmental health impacts. |
1. Articulate the environmental health impacts of Chernobyl in a class discussion
2.
Describe the general background and events surrounding the Chernobyl incident
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Explore |
Radioactive Isotopes
Students explore three different isotopes that were released into the atmosphere as a result of the Chernobyl incident and contaminated numerous parts of Europe. This lesson can be done alongside the math lessons to provide students with a fuller picture. |
1. Describe an isotope and radioactive isotope
2.
Describe the health effects of the following: Cesium 137, Iodine 131 and
Strontium 90
3. Describe how a specific country or region was affected by radioactive contamination
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Explain |
Radiation Experiments
Through inquiry, the students will learn the difference between types of ionizing radiation and how elements are transmuted. |
Students will measure alpha, beta and gamma radiation.
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Apply |
Toxic Milk Return
Chart the decay series and health hazards of a number of radioactive isotopes.
Study the fission process.
U 335
Cs 137
I 131 |
Use conservation of matter law to identify and explain the by-products of nuclear reactions and to balance nuclear reactions. |
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Project |
Our Future – Nuclear Power
Nuclear power will guarantee our future |
Demonstrate an understanding of both risks and advantages to nuclear power
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Top
Big
Idea |
The combustion of fossil fuels increases the mass of carbon dioxide in the air. This may lead to global warming. |
Essential
Question |
Can fossil fuels provide a safe fuel for the future? |
Learning
Cycle |
Lesson
Title & Description |
Objective
Students will: |
Class
period & week |
Engage |
Energy Debate – Global Warming
Following their study of Chernobyl and radioactivity, it is possible your students think fossil fuels are a safer source of energy than nuclear power. |
Describe what global warming is, what causes global warming and the impact to our world.
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Explore |
Energy of a peanut
Students will learn that a tiny peanut contains stored chemical energy. When we eat them, the stored energy is converted by our bodies so we can do work. We can also use the energy in a peanut to heat a container of water.
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1. Articulate the difference between the terms heat and temperature
2. Calculate the amount of energy associated with a given temperature rise
3. Design an experiment to measure the energy of a fuel
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Explain |
Combustion reactions
Students need to understand how carbon dioxide is formed when fossil fuels are burnt; when they react with oxygen. |
1. write a balanced chemical equation.
2. Articulate how burning fossil fuels increase the carbon dioxide levels in the atmosphere.
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Apply |
Energy Debate –Sea Level Rise
Global warming will cause the eventual melting of the ice caps in Antarctica and the Arctic. This will cause sea level rises of 10 meters, 30 meters and finally 60 meters.
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1. Understand the impact of global warming on our coastal cities.
2. Appreciate how geographic information systems can be used to represent scientific data. |
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Project |
Energy Debate –Conclusion
Following their study of Chernobyl and radioactivity, it is possible that your students think that fossil fuels are a safer source of energy than nuclear power. |
1. Write a persuasive essay about the choices in the energy debate.
2. Will understand the environmental consequences that accompany the decision.
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Big
Idea |
By understanding chemical processes, we can prevent disasters such as occurred in 1984 at the Union Carbide plant in Bhopal, India. |
Essential
Question |
How can a chemical reaction be controlled? |
Learning
Cycle |
Lesson
Title & Description |
Objective
Students will: |
Class
period & week |
Engage |
Runaway Reaction
Students will learn the importance of controlling chemical reactions. A study of the disaster at Bhopal, India illustrates the importance of control. |
Find out what can happen when a reaction gets out of control.
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Explore |
Covalent Bonding and Molecular Geometry
This lesson will teach students to draw covalent bonding diagrams for the compounds associated with the Bhopal disaster that occurred in Bhopal, India on December 3rd, 1984 while the people of the city were sleeping. |
Be able to draw covalent bonding diagrams for the compounds involved in the Bhopal disaster.
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Explain |
Rate of Reaction
This lesson will teach students to draw covalent bonding diagrams for the compounds associated with the Bhopal disaster that occurred in Bhopal, India on December 3rd, 1984 while the people of the city were sleeping.
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Relate that the rate of reaction is affected by temperature, surface area, concentration of reagent, and addition of a catalyst or inhibitor.
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Apply |
Conclusion |
Explain how the Bhopal disaster might have been prevented based upon their knowledge of factors affecting the rate of reaction. |
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Top
Big
Idea |
The illegal dumping of chemicals such as Trichloroethylene causes health problems as it pollutes our environment. Cleaning up this mess is a major problem facing us and our children. |
Essential
Question |
How can trichloroethylene be removed from the groundwater? |
Learning
Cycle |
Lesson
Title & Description |
Objective
Students will: |
Class
period & week |
Engage |
Love Canal
As a result of this lesson, students will understand the need for efficient waste disposal.
Trichloroethylene |
1. Understand the implications of illegal dumping of chemical waste
2. Map the trichloroethylene contamination of the groundwater in Tucson, Arizona. |
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Explore |
Investigate contaminants |
Draw structures of chemicals.
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Explain |
Oxidation with potassium Permanganate. |
Understand how trichloroethylene is removed from the groundwater by oxidation.
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Apply |
Redox |
Investigate the use of redox for remediation of contaminants. |
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Top
Big
Idea |
Ammonium Nitrate is a useful fertilizer providing nitrogen for plants. It is also a powerful explosive that has caused many disasters. |
Essential
Question |
Is it worth the risk? |
Learning
Cycle |
Lesson
Title & Description |
Objective
Students will: |
Class
period & week |
Engage |
Jekyll & Hyde
During this exercise, students will learn that ammonium nitrate is used as a fertilizer and an explosive |
Understand how chemicals can be very dangerous when not treated with care
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Explore |
Efficient Fertilizer
During this exercise, students will learn that ammonium nitrate is used as a fertilizer and an explosive |
1. Compare different fertilizers and understand their world wide use.
2. Calculate the molar mass and percent nitrogen in the different fertilizers.
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Explain |
Stoichiometry
During this exercise, students will learn that ammonium nitrate is used as a fertilizer and an explosive.
Heat of Solution
Students will measure the energy change caused by dissolving one mole of ammonium nitrate in water.
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Quantify the relationship between moles and mass.
1. Quantify the relationship between temperature, energy and heat
2. During this exercise, students will learn that ammonium nitrate is used as a fertilizer and an explosive.Understand that an endothermic reaction causes a decrease in temperature
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Apply |
Is it Worth the Risk?
During this exercise, students will learn that ammonium nitrate is used as a fertilizer and an explosive |
Compare the benefits of using ammonium nitrate and the risks. |
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Top |
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