Reflection: Floating and Sinking- Sorting in Science - Section 2: Presentation of Lesson

 

Prior to this lesson, I collected about ten items that I wanted to use in the floating and sinking experiment.  I planned on having the remaining students find objects around the room that they wanted to experiment with.  Sometimes the most interesting part of a lesson comes from something that a student comes up with rather than something that was planned.  However, this did not work out so well in this lesson.  My students were having a very hard time finding things to bring up.  I suggested to one student to bring up something from his pencil box.  He brought up his scissors.  After that, all of the remaining students wanted to use their scissors.  I told the students that we needed to try something else since we already knew that our scissors sink.  Having the students try to think of something to use for the experiment ended up taking a very long time.  The other students were starting to get restless, and I ended up just saying things like, "Go get a Lakeshore Kid Counter from the math centers.  Go get a paperclip from my desk."  In the future, I will pull out enough objects for everyone.  At the end, I will ask the students if there is anything else they would like to try, and I will let two or three students who already have something in mind, try additional objects from the classroom.

  Choosing Objects for the Experiment
  Choosing Objects for the Experiment
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Floating and Sinking- Sorting in Science

Unit 1: Comparing and Sorting Objects
Lesson 16 of 17

Objective: Students will be able to sort objects according to whether they sink or float.

Big Idea: Sorting is a skill that is not only used in math. This cross-curriculum connection combines math and science in a fun floating and sinking activity.

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