Well Watchers Teacher Guide Small Group Guided Reading • Grade 3
Well Watchers
Supporting Opinions with Text-Based Evidence from "One Well"
25-Min Lesson
Learning Objective
Students will distinguish between strong, text-based evidence and weak, irrelevant statements to support critical opinions about water conservation using facts from One Well: The Story of Water on Earth .
Materials Needed
"One Well" by Rochelle Strauss
Well Watchers Sorting Cards
Student Recording Sheet
Scissors (for card preparation)
Lesson Pacing & Steps
1
The Launch: Mini-Lesson
(5 Minutes)
Gather students in a small circle. Revisit the cover of One Well . Ask: "Why can't we just use any statement to prove a point?" Show students a simple anchor chart of Strong Evidence (facts, statistics, expert text quotes) vs. Weak Evidence (personal feelings, off-topic facts, guess-work).
2
The Mission: Sorting Activity
(12 Minutes)
Give each small group a set of scrambled Sorting Cards (4 Opinion Cards, 4 Strong Evidence Cards, and 4 Weak Evidence Cards). Have students read the opinions together. Task them with analyzing the evidence cards and deciding which is the "Strong Match" (backed by the book's facts) and which is the "Weak Statement" (opinion or unrelated fact).
3
The Log: Recording Sheet
(5 Minutes)
Students transfer their matches onto their individual Well Watchers Recording Sheet . They must write down a brief justification explaining why they rejected the weak card (e.g., "It's just an opinion," or "It doesn't prove the water is in danger").
4
Debrief & Consolidate
(3 Minutes)
Wrap up with a reflection question: "If you are trying to convince your family to save water, why is it better to use a fact from the book rather than just saying 'saving water is cool'?"
Pro-Tip for Grade 3 Facilitators
Make sure students are referencing the actual book! Keep several copies of One Well on the small group table. If students disagree about a card, challenge them: "Can you find the page that supports this fact? Let's check our source!"
Well Watchers Lesson Sequence Page 1 of 2
Small Group Guided Reading • Grade 3
Facilitation Tools & Answers
COACHING
Common Hurdles
1. The "True But Off-Topic" Trap: Students might choose a statement simply because it's true (e.g., "Water is delicious"), even if it doesn't support the specific opinion card.2. Emotional Appeal Bias: Grade 3 students love emotional language ("We must save water because animals are cute!"). Help them look for text-based facts instead.
Guided Prompts
When they are stuck: "What is the main topic of your opinion card? Does this evidence card talk about that same topic, or does it switch to something else?" To push for deeper analysis: "If a scientist read your evidence card, would they agree it is a scientific fact from the text, or is it a personal belief?"
Sorting Cards Master Answer Key
Opinion A We must protect wetlands because they help clean Earth's water.
★ Strong Text Match
"Wetlands act like giant natural sponges that filter out pollutants and dirt from our water supplies."
❌ Weak Statement
"Wetlands can be muddy and hard to walk through, and some people catch frogs there."
Opinion B Liquid freshwater is incredibly scarce and must be used carefully.
★ Strong Text Match
"Less than 1% of all the water on Earth is liquid freshwater that is clean and accessible for drinking."
❌ Weak Statement
"I always take really quick showers because my parents tell me that I sing too loudly in there."
Opinion C Plants and trees play a critical role in Earth's recycling of water.
★ Strong Text Match
"Plants release water vapor back into the air through transpiration, feeding the water cycle."
❌ Weak Statement
"Many plants have beautiful green leaves and colorful flowers that smell like sweet honey in spring."
Opinion D Water pollution in one country can affect the entire planet's well.
★ Strong Text Match
"All the water on Earth is connected, so pollutants dumped into a river eventually travel to the oceans."
❌ Weak Statement
"Littering on our playground is bad because it looks messy and our principal will get very upset."
Well Watchers Lesson Sequence Page 2 of 2
Well Watchers Task Cards Well Watchers Sorting Cards
Cut along the dotted lines. Read and match each Opinion with its Strong Evidence and Weak Statement!
Set 1 of 2
Opinion Card A
"We must protect wetlands because they help clean Earth's water."
Find its matching facts...
Statement Card 1
"Wetlands act like giant natural sponges that filter out pollutants and dirt from our water supplies."
Evaluate this statement
Statement Card 2
"Wetlands can be muddy and hard to walk through, and some people catch frogs there."
Evaluate this statement
Opinion Card B
"Liquid freshwater is incredibly scarce and must be used carefully."
Find its matching facts...
Statement Card 3
"Less than 1% of all the water on Earth is liquid freshwater that is clean and accessible for drinking."
Evaluate this statement
Statement Card 4
"I always take really quick showers because my parents tell me that I sing too loudly in there."
Evaluate this statement
Well Watchers Lesson Sequence Page 1 of 2
Well Watchers Sorting Cards
Cut along the dotted lines. Read and match each Opinion with its Strong Evidence and Weak Statement!
Set 2 of 2
Opinion Card C
"Plants and trees play a critical role in Earth's recycling of water."
Find its matching facts...
Statement Card 5
"Plants release water vapor back into the air through transpiration, feeding the water cycle."
Evaluate this statement
Statement Card 6
"Many plants have beautiful green leaves and colorful flowers that smell like sweet honey in spring."
Evaluate this statement
Opinion Card D
"Water pollution in one country can affect the entire planet's well."
Find its matching facts...
Statement Card 7
"All the water on Earth is connected, so pollutants dumped into a river eventually travel to the oceans."
Evaluate this statement
Statement Card 8
"Littering on our playground is bad because it looks messy and our principal will get very upset."
Evaluate this statement
Well Watchers Lesson Sequence Page 2 of 2
Well Watchers Recording Sheet Well Watchers Journal
Grade 3 Water Science & Literacy Practice
Name:
Date:
Your Mission:
Don't spend time copying down whole cards! Just find the correct Statement Card Number and write your explanation. Why does the strong evidence support the opinion? Why is the weak statement not helpful?
OPINION A
"We must protect wetlands because they help clean Earth's water."
Strong Evidence
Card #
Why is this strong evidence?
Weak Statement
Card #
Why is this weak or irrelevant?
OPINION B
"Liquid freshwater is incredibly scarce and must be used carefully."
Strong Evidence
Card #
Why is this strong evidence?
Weak Statement
Card #
Why is this weak or irrelevant?
Page 1 of 2 • Flip to complete Opinions C & D
Well Watchers Journal
Part 2
OPINION C
"Plants and trees play a critical role in Earth's recycling of water."
Strong Evidence
Card #
Why is this strong evidence?
Weak Statement
Card #
Why is this weak or irrelevant?
OPINION D
"Water pollution in one country can affect the entire planet's well."
Strong Evidence
Card #
Why is this strong evidence?
Weak Statement
Card #
Why is this weak or irrelevant?
Well Watcher Self-Reflection
I can tell strong evidence from weak statements:
Yes, I am a Water Detective! Getting there! (With a little help) I need more practice.
My top tip for finding strong evidence:
Page 2 of 2 • Excellent work, Water Detective!
