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Education Development Ctr Inc

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Stand Alone

EXPLORATIONS WITH SIPHONING The Tenuous Growth of a Concept
SALAD DRESSING PHYSICS Spontaneous Generation of Metaphors
Observation Survey DVD
MYSTERY OF THE MOVING CAN Problem Solving
Designing Spaces Visualizing, Planning, and Building
THE LANGUAGE OF NUMBERS (Seeing and Thinking Mathematically in the Middle Grades, 1)
EXPLORATIONS WITH BALLS AND TRACKS Generating and Testing Hypotheses
From the Ground Up Modeling, Measuring, and Constructing Houses