Dihydrogen Monoxide DHMO new notes title DHMO 1

Dihydrogen Monoxide (DHMO)

(new notes, title = “DHMO”) 1. Take out a new sheet of binder paper, label it with its name/date/per/title 2. Update table of contents 3. Warm-up: (Answer these on your DHMO notes) • Why is it important to have evidence to support your claims? • Why is it important to know about the chemicals you are exposed to? 5 minutes End

What is DHMO? 1. Read the first paragraph, and write down all of the words you don’t know. 2. Share with your group, and choose 1 word your group wants Mr. Warren to explain 3. Have your group send 1 person 5 minutes to write it on the board End

What is DHMO? 1. Summarize in 1 -2 sentences (your own words) what DHMO is. Be “concise” (the most information in the fewest words) 2 minutes End

Should we ban DHMO? A – Yes! B – No! C – I need more information D – I have a different suggestion

What do we need to know about DHMO? 1. Write down as many questions as you can that will help you decide whether or not to ban DHMO. 5 minutes 2. Choose one question for your group to put up on the board, and send one student up to do so. End

Find EVIDENCE from the reading Read the handout take notes on whatever seems important and relevant to you. Include the following: (Copy in quotation marks) • How is it harmful? (write at least 3) • What is DHMO used for? (write at least 3) • How are we exposed to DHMO? (write at least 3) Also… • What new words are you unfamiliar with? • What new questions do you have?

Should we ban DHMO? A – Yes! B – No! C – I need more information D – I have a different suggestion Write down your position and explain. (First person to finish in your group: collect and return handouts, dry erase markers, and multiple choice cards)

CLAIM DHMO is dangerous, and we should be concerned about it. EVIDENCE 1 Quote from dhmo. org handout REASONING 1 Explain how EVIDENCE 1 shows that DHMO is dangerous or why we should be concerned Practicing Evidence Based Writing For the purposes of this writing practice, please use this claim, even if you don’t Agree with it. EVIDENCE 2 Only use evidence from the front of the handout REASONING 2 EVIDENCE 3 REASONING 3 CONCLUSION What should we do, now that we know this? Note: evidence = concrete detail, and reasoning = commentary

Should we ban DHMO? A – Yes! B – No! C – I need more information D – I have a different suggestion

(Add to your DHMO notes) What is the chemical formula for Dihydrogen Monoxide? Hint: Carbon Dioxide = CO 2 Di = 2 Carbon Monoxide = CO Mono = 1

DHMO is Water. Reflection Questions: 1. What did you think about dihydrogen monoxide throughout the lesson? How did your opinions change as we learned more about it? Explain! ***If you found out that DHMO is water before it was revealed in the lesson, explain when and how you found out (middle school? another 9 th grader? an older student that learned about it in the past? etc. ) 2. How did you feel once you found out, and why? Explain! Penn and Teller: Petition to ban water

CLAIM DHMO is dangerous, and we should be We shouldn’t worry about the dangers Use the same evidence (left half) concerned about it. of water in daily life. to support the opposite claim (right half) EVIDENCE 1 Quote from dhmo. org handouts EVIDENCE 1 use same evidence for both sides REASONING 1 Explain how EVIDENCE 1 shows that Explain why EVIDENCE 1 shouldn’t be DHMO is dangerous or why we should a concern in daily life. be concerned EVIDENCE 2 REASONING 2 EVIDENCE 3 REASONING 3 Concluding Statement What should we do, now that we know this? Concluding Statement What should we do (or not do), now that we know this? Why is it important to explain how your reasoning supports the claim? (ie: Why can’t you just provide evidence without an explanation? )

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4. What did you learn? Why do you think Mr. Warren wanted you to go through this experience? Why is it important for everyone to understand how to think like a scientist?