@article{ref1,
title="A Curriculum Model to Improve Young Children's Concept of Speed to Reduce Their Pedestrian Accident Vulnerability",
journal="School science and mathematics",
year="1989",
author="Cross, RT and Pitkethly, A",
volume="89",
number="4",
pages="285-292",
abstract="Reports that young children in the pedestrian accident prone age range of four-eight years hold a variety of naive conceptions regarding speed. Proposes a primary science unit using a conceptual change approach.   <p></p>",
language="",
issn="0036-6803",
doi="",
url="http://dx.doi.org/"
}