Science&Children
NSTA's peer-reviewed journal for elementary teachers
February 2006
Volume 32, Number 5
This issue's focus: Mixing and Matter
FEATURES
Grades 3–6
23 Fun with Phase Changes (free!)
Simple phase change explorations build a “solid” foundation for later learning about molecules
David Purvis
Grades 3–6
26 Safety First!
Building safety lessons into a third-grade acid–base exploration
Judith Longfield
Grades preK–2
28 Mixing and Making Changes
Preschool children can explore chemistry, too
Peggy Ashbrook
Grades 3–6
32 The Play Dough Evaluation Project
Exploring homemade modeling clays is truly a “hands-on” way to helps students understand the meaning of the word property
Mary Heckscher
Grades 5–6
37 Indicators for Inquiry
Homemade acid–base indicators allow students to use process skills to learn about matter at an age-appropriate level
Jeffery Townsend and Kim Bunton
Grades K–6
42 Science S.O.S.
One district’s process for adopting a new science curriculum reveals key issues in establishing and keeping high-quality
elementary science programs
L. Thomas Moore
DEPARTMENTS
8 In the News
16 Teaching Through Trade Books
Exploring Your Environment
20 The Early Years
Nurturing Young Chemists
45 Science Shorts
The Dynamics of Dissolving
48 Science 101
Why does a color change indicate a chemical change?
50 Methods & Strategies
Evidence Helps the KWL Get a KLEW
54 NSTA Recommends
63 NSTA Conferences on Science Education
www.nsta.org/conferences
64 Finds & Sites
IN EVERY ISSUE
6 Editor’s Note
19 Call for Papers
67 Advertisers Index
68 Every Day Science Calendar
February