CHEMISTRY & THE ENVIRONMENT LECTURE
CHEMISTRY & THE ENVIRONMENT
Essential Question: What are some of the contributions of chemistry to solving environmental contamination problems ?
Learning Objective: Chemistry helps the environment by searching for new methods of developing new techniques and materials, removing and decontaminating harmful products.
SWBAT:
- Investigate the effect of harmful environmental products such as lead and mercury poisoning
- Learn of ways in which chemists search for alternatives to replace harmful chemicals
- Discover the tools chemists use to analyze environmental pollutants
QUIZ: CK-12: THE ENVIRONMENT QUIZ
HMMM... BE READY TO PARTICIPATE
- What does the term "Mad as a hatter" mean? where does it come from? How is it related to "Alice in Wonderland"?
LINKS:
https://www.thoughtco.com/worst-elements-on-the-periodic-table-3989077 TO READ IN CLASS
https://www.ducksters.com/science/chemistry/lead.php TO READ IN CLASS
https://www.livescience.com/39304-facts-about-lead.html
https://www.thoughtco.com/what-makes-lead-poisonous-607898
https://www.history.com/news/where-did-the-phrase-mad-as-a-hatter-come-from
https://www.youtube.com/watch?v=rPK67tnsfZc
https://www.youtube.com/watch?v=oYV9jJzanKA
The periodic table is made up of 118 elements. Some of those elements are extremely harmful to the environment and life forms. Unfortunately, we are exposed to some of these dangerous elements. Most of us are unaware of the these exposures.
The work of environmentalists, politicians, scientists and world-wide volunteers in association with the media is making the public aware of some of the most important environmental issues we are facing and urging people to take action.
Mercury is Deadly and Omnipresent
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There's a good reason you don't often find mercury in thermometers anymore. While Mercury is located right next to gold on the periodic table, you can eat and wear gold, you'd do best to avoid mercury.
Mercury is a toxic metal that's dense enough that it can be absorbed into your body directly through your unbroken skin. The liquid element has a high vapor pressure, so even if you don't touch it, you absorb it via inhalation.
Your biggest risk from this element isn't from the pure metal—which you can readily recognize on sight—but from organic mercury that works its way up the food chain. Seafood is the best-known source of mercury exposure, but the element is also released into the air from industries, such as paper mills.
What happens when you meet up with mercury? The element damages multiple organ systems, but the neurological effects are the worst. It affects memory, muscle strength, and coordination. Any exposure is too much, plus a large dose can kill you.
https://www.youtube.com/watch?v=Q1ZA8ZrK3U4 Mercury in fish
https://www.youtube.com/watch?v=KqNwAOTquwY
https://www.youtube.com/watch?v=wd8djXPrbhg
https://www.youtube.com/watch?v=Ve_JMaC2uig
Lead is the Poison We Live With
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Lead is a metal that preferentially replaces other metals in your body, such as the iron, calcium, and zinc you need to function. In high doses, lead exposure can kill you, but if you're alive and kicking, you're living with at least some of it in your body.
There's no real "safe" level of exposure to the element, which is found in weights, solder, jewelry, plumbing, paint, and as a contaminant in many other products. The element causes nervous system damage in babies and children, resulting in developmental delays, organ damage, and reduced intelligence. Lead doesn't do adults any favors either, affecting blood pressure, cognitive ability, and fertility.
https://www.youtube.com/watch?v=76RKSQgduVQ
https://www.youtube.com/watch?v=4Nlb47j5nAQ
CHEMICAL POLLUTANTS PAPER
CHEMISTRY & THE ENVIRONMENT LECTURE
Grizzlies,
Your assignment consists of a research paper. Follow all the instructions (written and verbal) on how to present the paper and the requirements to avoid having points deducted.
You can use the links I have provided in the lecture notes or do your own online research.
ASSIGNMENT AND REQUIREMENTS:
- Write about 3 CHEMICAL environmental pollutants . How are the affecting the environment? How are they affecting human and animal life? What are some solutions to this issue?
- Each chemical pollutant must have a SEPARATE paragraph with a minimum of 5 full lines (5 points)
- Write the questions in red and the answers BELOW the questions in black (1 point)
2. Name 3 elements that are hazardous to humans. What are some of their negative effects?
- Each element must have a SEPARATE paragraph with a minimum of 5 full lines (5 points)
- Write the questions in red and the answers BELOW the questions in black (1 point)
EXAMPLE: Follow this example to answer both questions
Write about 3 CHEMICAL environmental pollutants . How are the affecting the environment? How are they affecting human and animal life? What are some solutions to this issue?
Name of first environmental pollutant
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Name of second environmental pollutant
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Name of third environmental pollutant
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Name 3 elements that are hazardous to humans. What are some of their negative effects?
Name of first element
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Name of second element
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Name of third element
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CK-12: AGRICULTURE ASSIGNMENT
Grizzlies,
Go to your CK12 class and do the assignment on ENERGY IN CHEMISTRY.
Follow the instructions on presentation to avoid loosing 2 points.
- Copy and paste the assignment I wrote as shown in class IN THE SUBMITTING BOX
- Change the color to red.
- Answer the questions in black BELOW the questions.
PART ONE: READ
Answer the following questions after reading the "READ." - 4 POINTS
- Where was lead found in products?
- What is a hazard of lead?
- What happens to the lead in used car batteries?
- List two ways chemists help with issues related to lead contamination.
Watch the TWO videos in the "Read" section and write down 4 concepts you have learned from it for each video
WRITE COMPLETE SENTENCES - 4 POINTS
- ENVIRONMENTAL POLLUTION
- 1.
- 2.
- 3.
- 4.
- ENVIRONMENTAL CHEMISTRY : TOPIC 2
- 1.
- 2.
- 3.
- 4.
TAKE THE QUIZ ON CK-12 AND WRITE THE ANSWERS YOU GAVE AS A SEPARATE ASSIGNMENT IN CANVAS
PART THREE: VIDEO
Watch the video FOUR in this section and write down 4 concepts you have learned from it.
WRITE COMPLETE SENTENCES - 8 POINTS
- BERKELEY ENVIRONMENTAL CHEMISTRY LAB
- 1.
- 2.
- 3.
- 4.
- LEAD POISONING
- 1.
- 2.
- 3.
- 4.
- LEAD POISONING: WHY IS HAPENNIGN NOW
- 1.
- 2.
- 3.
- 4.
- ATMOSPHERIC + ENVIRONMENTAL CHEMISTRY WITH DR. JARON
- 1.
- 2.
- 3.
- 4.
Grizzlies,
Take the Adaptive Practice quiz. .
In order for the quiz responses AND score to register in CK-12 you need to go all the way to the end and submit the quiz in CK-12.
Make sure you receive your quiz results and data in CK-12. Once you get those results, come to this assignment on Canvas
- Write down the answers you gave
- Write down how many points out of 10 you received.
Copy and paste this in the submission box. Then, fill in the required information.
ANSWERS:
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YOUR SCORE:
David Attenborough is an English natural historian that has dedicated his life to inform and educate people about our beautiful planet and the risks we are facing all losing it due to human intervention which include our overuse of chemicals, farming, fishing and overpopulation.
David is 94 years old and in his lifetime, he has "seen it all."
He is exposing the past, the present and the future in his documentary. He also presents a solution to our problem. All we need to do is change our ways.
ASSIGNMENT INSTRUCTIONS: After watching the video (Netflix), write a paper with the information I am asking below.
Your presentation should include
- WHAT HAVE I LEARNED?: Write 3 paragraphs with 3 full lines each of a concept you have learned (6 points)
- 3 paragraphs with 3 full lines each
- 1 paragraph for each concept learned
2. WHAT AM I CONCERNED ABOUT?: Write 3 paragraphs with 3 full lines each about 3 issues that made you concerned (6 points)
- 3 paragraphs with 3 full lines each
- 1 paragraph for each concern
3. WHAT HAVE I LEARNED THAT MAKES ME HAPPY?: Write 3 paragraphs with 3 full lines each about 3 concepts that made you happy from the video (6 points)
- 3 paragraphs with 3 full lines each
- 1 paragraph for each concept that you have observed in the video that made you happy
4. WHAT ARE THE SOLUTIONS?: Write 3 paragraphs with 3 full lines each about 4 solutions that David Attenborough talks about to solve Earth's problems. (6 points)
- 3 paragraphs with 3 full lines each
- 1 paragraph for each solution
