February 2006 Table of Contents

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

Copyright © 2006 NSTA