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Chernoff, Jodi Jacobson; Flanagan, Kristin Denton; McPhee, Cameron; Park, Jennifer – National Center for Education Statistics, 2007
The Early Childhood Longitudinal Study, Birth Cohort (ECLS-B) is designed to provide detailed information on children's development, health, and early learning experiences in the years leading up to entry into school. The ECLS-B is the first nationally representative study within the United States to directly assess children's early mental and…
Descriptors: Preschool Children, Inferences, Physical Development, Infants
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School Science Review, 1984
Describes: the chemical history of a pencil; a simple solar camera for measuring the sun's diameter; the experimental comparison of the thermal stability of metal carbonates; and the introduction of the concept of weight as a force to young children. A computer program listing on color mixing is also provided. (JN)
Descriptors: Color, Courseware, Force, Intermediate Grades