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Changes Students build upon their knowledge of solids, liquids, and gases by investigating changes in state. Working with these elements, children explore freezing, melting, evaporation, and condensation, as well as rates of dissolution, chemical changes that occur over time, and more.
Kit Information	Learning Resources
Unit Descriptions for grade 2. Scroll down to locate Changes. STC Home	Material Properties and Change Curricular Companion Offering background content; kit enrichment; interdisciplinary connections; assessment strategies; and standards alignment. Kit Users and Classroom Experiences Find out what other teachers have done. STC Meets the Standards Full-text available online. (PDF file, requires Adobe Reader.)
STC kits are developed by the National Science Resources Center (NSRC) and published by Carolina Science and Math.

The Franklin Institute gratefully acknowledges the generous support of the National Science Foundation and Unisys Corporation.

The Franklin Institute is the Demonstration Site for the Eisenhower Mid-Atlantic Consortium, providing science and math resources for teachers.

This material is based upon work supported by the National Science Foundation under Grant No. 9819641.
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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