Reflection: Discourse and Questioning Dissolving Salt - Section 2: Warm Up



I choose to use whiteboards so often in my lessons as a way for students to record responses, prior to sharing, for several reasons.  One reason is so that students can record multiple thoughts of all group members.  Often times several group members will have different thoughts but only one student will share out those thoughts.  Without having all of the thoughts recorded, that student may only share their thoughts and not convey those of everyone in the group.  I also have groups record responses because I have so many ESE and ELL students in my classes that it is a good way for them to be able to write out their thoughts before sharing.  Sometimes these students have a difficult time expressing their thoughts verbally, if they have an opportunity to share in small groups, see it written out, and then share it out loud, they get their thoughts across better.  Another reason I have them record responses on whiteboards during group discussion is so that when it is time to share, they are not just repeating what the group before them said.  If I do not have them record their thoughts, I often find that as we begin sharing, groups hear something that may change their thinking and they just repeat what was already said, or just say "I agree with group 3".  I like for the class to hear what original thoughts each group had.  We change our thinking often in science and that is ok, but it is important to share how our thoughts have changed.  

Whiteboards are often used at many different points in my lessons, sometimes in the warm ups, like in this lesson, as a way to activate the science talk about today's lesson.  I also use them  during the guided practice and explore portions of lessons as well, to record observations and sometimes measurements if we are not recording our findings in our notebooks.  In today's lesson, I actually use the whiteboards throughout the entire lesson since there is only one measurement being taken, not collecting a lot of data.  I also use whiteboards in the wrap up for some lessons as a quick way to check student understanding without having to collect exit tickets.  

  Use of Whiteboards
  Discourse and Questioning: Use of Whiteboards
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Dissolving Salt

Unit 2: Matter and Its Interactions
Lesson 5 of 10

Objective: SWBAT explain that dissolving does not create something new.

Big Idea: Students investigate solubility by dissolving salt in water and finding a way to prove that the salt is still present in the water.

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