Reflection: Connection to Prior Knowledge How Does Chemical Weathering Change Earth's Surface? - Section 2: Engage


*ODD ONE OUT Strategy    

I selected this strategy because it provides students the chance to analyze relationships between the images on display .  I use it to create discussion among students, examine student thinking, and activate prior knowledge.  The Odd One Out strategy challenges students to analyze a items to determine which one(s) don't belong in a group.  Once they decide which one does not belong, they must justify their decision.

When using this strategy, make students aware of the topic and encourage them to really think about the relationships between the objects before guessing.  One way to encourage this is to use Odd One Out in conjunction with a quick write.  This will encourage them to gather their ideas, think critically, and prepare for a discussion.

I used this to launch off part 1 of my Chemical Weathering lesson  because I incorporated concepts from our physical weathering lesson so it was a good way to observe if students could determine images related to physical weathering. I combined this strategy with classroom mingle because it allowed students to actively engage in the task and work with other students in the classroom and not just members at their tables.  My students enjoyed the opportunity to move around and work with different classmates.


*Strategy Note:  I read about the Odd One Out strategy in the book, Science Formative Assessment-75 Practical Strategies for Linking Assessment, Instruction, and Learning. I highly recommend this book. I find I use the strategies engaging and effective in many lessons.

Keeley, Page. (2008) Science Formative Assessment. Thousand Oaks, CA: Corwin Press. 


  Odd One Out Strategy
  Connection to Prior Knowledge: Odd One Out Strategy
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How Does Chemical Weathering Change Earth's Surface?

Unit 4: Earth's Changing Surface
Lesson 6 of 11

Objective: SWBAT explain how chemical weathering slowly changes the Earth's surface.

Big Idea: Students will conduct a simulation of chemical weathering to develop an understanding how it changes Earth's surface.

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