Reflection: Discourse and Questioning Hydrosphere: Why are Oceans Salty? - Section 4: Reflect & Apply


Dividing up the pie chart turns out to be a challenge for many students. Even when students had the correct space colored in, some would begin to question themselves.

To support students as they represent, interpret, and communicate information presented as data, I try to conference with as many students as possible during this time. 

Instead of calling attention to student mistakes, I invite students to check themselves by touching each pie piece and counting up to the desired percentage: Finding 69% on the Pie Chart

Here, Finding 69% on the Pice Chart 2, I encourage the student to use his prior knowledge to check himself: How much does one pie piece represent? (10%) Then how much would half a pie piece represent? (5%) What does the colored part of your graph represent then? (65%) What do you need to do next? (Color 4% more)

  Discourse and Questioning: Student Conferences
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Hydrosphere: Why are Oceans Salty?

Unit 3: Earth Systems
Lesson 10 of 16

Objective: SWBAT graph and explain the distribution of fresh water on Earth.

Big Idea: In this lesson, students explore why there is salt and fresh water on Earth through class demonstrations and research. Then, students graph and describe the distribution of fresh water resources on Earth.

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20 teachers like this lesson
Science, fresh water, hydrosphere, biosphere, Earth Systems and Natural Disasters, erosion, distribution, resources, salt water, geosphere
  80 minutes
fresh water salt water cups
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