Tap Water Information

Water on Tap: What You Need to Know is a MUST read for our inquiry into water systems.

This informational publication was created by the Environmental Protection Agency and shares a LOT of information about our water supply in the United States.

It’s long, so we’ll break this up and assign teams parts to review. YOU can get started by skimming graphs, charts, maps, captions, subheadings, and reading sections that interest you right now.


Homework: Monday, October 5, 2015

Math: Most students quizzed over estimating two-digit divisors. A handful worked with me today to review. IF…IF…you worked with me, you need to finish SPB 2.5 Q’s 5, 6, 7, and 8. IF you took the quiz, you have no homework. 🙂

Reading: Read 30 minutes

Spelling: Work on SpellingCity.com tasks.

Science: Finish workbook for lesson 3. Study dictionary. RE-read lesson 3 in EEI student edition. I would also study the diagram of an aquifer found both in your dictionary and in the visual diagram we looked at today in class.  Remember you can click on the links in this post, or you can find ALL of these items in Curriculum-EEI Science-5.3 Earth’s Water in the drop down menu at the top of the blog.

Homework: Tuesday, September 8, 2015

Busy day today! We crafted an email and sent it to several Elk Grove Unified School District math and science experts as well as emailed Dr. Potter from University of the Pacific in Stockton about our water taste test.

Here is the email response from Mr. Pietersen. PLEASE read it closely and be prepared to come back to school tomorrow to discuss the points he raised.

PLEASE be sure to click on the wikipedia link to learn about the difference between a single vs. double blind taste test. Guess what I’m doing? Yep, clicking the link and reading, too! 🙂


Hello Mr. Bentley’s Class,

It sounds like you are doing a single blind taste test. Single vs double blind: https://en.wikipedia.org/wiki/Blind_taste_test
If the participants don’t know what they are drinking and the experimenters don’t know the participants, also they don’t know the exact brands of water and the source of the tap water, then it is double blind.

You are asking some interesting questions. Actually several questions:
1. Do people prefer tap to bottled water (if this is what you want I suggest narrowing to one source of tap water and one bottled water brand.). There are far too many variables that make tap water from different sources different, such as the type of plumbing, well water source or a city water source, fluorinated tap water and some areas don’t have fluorinated tap water and so on….because of this variation I would limit the study to the tap water served at, for example, Foulks rank elementary school. Also think about storing the tap water in the same plastic bottle as the “bottled water” therefore you consider the variation on how the water is held.
2. Which bottled water is preferred to tap water? If this is a question you really want then you might want to tell the person here is tap water then give them unknown bottled water (I’d even include an unknown tap water sample, to see if they can really tell the difference.)

Are you sure this statement is what you are doing? We do not want to compare bottled brands to each other. We do not want to compare tap and bottled against each other. We just want to see what people prefer in a blind taste test.

In any case good luck with your study. As in any study the larger your sample group (in this case tasters) the more likely your results will be considered credible.

Take care,

Ray Pietersen
Science Program Specialist,EGUSD
Curriculum & Professional Learning (C/PL)
Office: ( 916) 686-7797 ext. 7407
Fax: ( 916) 686-7743



Math: Finish big book Lesson 1.9 for homework. You do NOT have to do the On Your Own questions. The front side is ENOUGH! 🙂

Reading: Read 30 minutes aesthetically.

Homework: Thursday, August 27, 2015

Reading: Read 30 minutes

Science: Watch the video below that tells one story of bottled water. As we study water, we’ll consider this story as well as stories that we want to tell of our own construction.

NOTE: We are going to discuss this film in class. The video does have a definite point of view. It’s informative. But it’s also persuasive. It’s trying to get us to think a certain way. Should you believe EVERYTHING said in the film without questioning it? No. Should you dismiss EVERYTHING said in the video? No.

Homework: Monday, August 24, 2015

Reading/Science: RE-read Lesson 1 EEI. Pay especially close attention to the highlighted sections we discussed. Complete workbook Lesson 1 Questions 1-4. These will be for both a reading and writing and science grade. Answers should be complete sentences.

If you wish to complete the workbook online and type answers, you can use the form fillable PDF. Click HERE for the link.

EEI Videos to watch. 

Yes, I’m asking you to watch TV for homework. Well, not really TV, but I’m asking you to watch two videos.

The first video is on desalination. Is it something we can afford cost-wise and environmentally?

The second video is about the drought in California and how it’s affecting people.

Both videos can be viewed by going to the top of the blog and clicking on CURRICULUM > EEI SCIENCE  > 5.3 EARTH’S WATER and then scrolling down to the second and third videos you see on the page.

Water Taste Test, Anyone?

Water, water, everywhere…

We are beginning our study of water using the EEI (Environment and the Education Initiative) curriculum, and one student had an idea last week.

Does all water taste the same?

What we propose is a blind taste test. We’d like to test the question and see if bottled water really does taste better than tap. We’ll film this trial and put our experience into writing to produce a short film which explores the tap vs. bottled water question.

Can you help? 

We’re looking for bottled water donations. We don’t need entire cases of water, just a few bottles (perhaps 3 bottles) of each individual brand. Could you send in a few bottles of different brands of water? Could you email (jbentley@egusd.net) or text me (916-216-9056) which brand you’re willing to provide so we don’t overstock our room with water?

We would love to get the following brands:

Costco’s Kirkland

Fiji Water

Aqua Fina





What’s Your Water Footprint?

Click HERE to access a water footprint calculator.

Students are beginning a study of water for the next few weeks. We’ll go online to review the calculator, and then I’ll ask students to come home and take the survey with a responsible family member who might know some of the numbers asked (i.e. How many loads of laundry each week? How many dollars in pet food spent each month?)

Please give it a try to find what your virtual water footprint is, so we can share how we’re consuming water in class!