Today was one of those magical days at school. It was the kind of day that makes me LOVE my job, where all the pieces go together very nicely and the worldview expands for the students in the classroom. Today was one of those “teach like a pirate” days, where we took risks and immersed ourselves fully into an important issue.
We began our Earth Week (not just Earth Day) by learning about the Great Pacific Garbage Patch, something that is largely unknown to the general population. We read about the issue with a two page informational text today, while responding in writing with our new understandings.
Then we watched this video:
After lots of important discussion, I asked them a question, “How would you clean it up?”
That led to an awesome water pollution experiment, which ended up both engaging and frustrating the students. The groups had to try to clean up the water using the least amount of money possible. They had to write out their plan as a group together, figure out the cost and bring their proposal to my supply table to collect the materials they needed to clean the water. They had to be detailed and precise, use math in a very real way, and had to work under time pressure. Here is a peak into what it looked like:
Buckets were prepared with water and biodegradable items like coffee grounds, shredded paper, food that the kitchen hadn’t served but had to throw away, and soil.
Reused or recyclable items were for sale for students to use to clean up the water. (I wash out the cups and forks to reuse each year for this experiment! We reuse ziplock bags collected throughout the week. We recycle other plastics and aluminum foil.)
The students cleaned the water after “purchasing” materials.
Many methods were used to clean the water.
We compared water samples at the end, to see who was most successful. We also compared budgets, to see who was able to keep costs down.
We’ll continue this work for the rest of the week:
- We’ll be writing a letter to explain what we learned today about the Great Pacific Garbage Patch and the difficulties of cleaning up water.
- I plan to immerse them in lots of good Earth Day literature like: The Great Kapok Tree by Lynne Cherry, Oil Spill by Melvin Berger, The Lorax by Dr. Seuss, The Wump World by Bill Peet.
- We’ll be learning about alternative energy to make wind powered cars later in the week, and we’ll even try to harness the sun by measuring and making solar ovens.
- We’ve also got some tough math problems in the works as part of the Great Pacific Garbage Patch unit to help us think about conserving!
I love Earth Day…Earth Week, and more importantly introducing important issues to our young learners, encouraging critical thinking in meaningful ways. I’d love to hear what you do in your classroom! The more ideas we have to share, the more we can teach our children to be environmental stewards.
Learn more with these resources and dig deep into the issues:
Beyond Traditional Math 
This is absolutely fabulous! I would love to try something like this with my students next year. Thank-you so much for sharing your ideas!
Jen
Runde’s Room
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Thanks! It’s a lot of fun and I love to teach my students to be socially responsible. 🙂
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Nice post about Math!
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This post was inspiring, to say the least. I was unaware of this floating plastic problem before now. I’d like to think of myself as earth conscious, but learning about this mind-boggling mess makes me think EVERY time I pick up something coated in plastic.
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[…] of scouring the internet for the perfect Earth Day activity. Luckily, I came across this: I saw Beyond Traditional Math’s lesson on the Pacific Garbage Patch, and more than anything, I was impressed with his work and inspired […]
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I just found your blog and it is amazing! Thank you for sharing with us!
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I love your idea. We are a school in London, studying the pollution of the river Thames and I’d love to adapt your lesson for my kids. Plead could you let me know all the materials the children could use? Buy?
Thanks, I’m definitely going to take the time to read over your blog. Laura
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I am planning to use this as part of our pollution study this week but the video link says it is private and will not allow me to view. can u please share?
Mr. B
3rd Grade S.T.E.M teacher
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I have posted a different informative video that should work!
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[…] Earth Day Water Pollution Activity […]
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do you happen to have a link or be willing to share the data worksheet you used in the picture?
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Thanks for the idea! I just used this with my 7th Graders who are studying the impacts of environmental policies (or lack thereof) in China. We did a case study and then wrapped up with this. We LOVE project based learning, and I was excited to find one I didn’t have to make myself! Haha What a great STEM project!
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Good morning,
Do you mind posting what video you shared with the class?
Thank you!
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[…] Earth Day Water Pollution Activity: A Cross Curricular Inquiry Study :: Beyond Traditional Math (for school-aged kids) […]
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[…] 7. Demonstrate water pollution with this awesome activity. […]
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May I ask how much each group’s budget was?
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Hi! There was not actually a budget, they were supposed to use the least amount of money possible. 🙂
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Hi! This is really awesome! I love the integration of math and science! I was wondering- what items did you offer students to purchase? I would love to do this with my small group of homeschool students this year! Thanks!
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I agree with every factor that you have pointed out. Thank you for sharing your beautiful thoughts on this.
Children have been disproportionately affected by the water crisis, many becoming ill. In terms of societal consequences, today’s water issues are one of the most pressing worldwide risks. Because of this, Clean Water International forges a road to access to clean water progress for the poorest communities. Their purpose is to bring clean household drinking water to the great majority of people worldwide and form partnerships with individuals and organizations to turn the tide of the world’s water crisis and assist the underprivileged in reaping advantages.
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