Reflection: Self-Talk Matter and Heat / Reversible Changes - Section 5: Wrap-up


I was not sure if the students would be engaged when demonstrating the crayon melting, since it would not a 'hands-on' activity. I had nothing to worry about they were engaged with the entire process of the crayons melting and being poured into the molds.

All the students wrote that the crayon after it cooled was still a crayon. They all used observations words to support their answer.


  Self-Talk: How Did the Lesson Go?
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Matter and Heat / Reversible Changes

Unit 5: Unit 5 Matter and Its Interactions
Lesson 4 of 11

Objective: SWBAT claim the materials tested did not change properties when heat was added and support their claim with observations.

Big Idea: Students learn that adding or removing heat to material can be reversible.

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