page 1. Students at Stuart-Hobson School, Washington, DC, work on an activity from Magnets and Motors, a sixth-grade STC unit. Photographer: Dane A. Penland, courtesy NSRC.

page 7. Students at Stuart-Hobson School, Washington, DC, work on an activity from Magnets and Motors, a sixth-grade STC unit. Photographer: Dane A. Penland, courtesy NSRC.

page 9. Students at Long Branch Elementary School, Arlington, VA, work on an activity from Sounds, a third-grade STC unit. Photographer: Dane A. Penland, courtesy NSRC.

page 10. First-grade students at North Frederick Elementary School, Frederick, MD, examine quail hatched in the classroom. Photographer: John Woo.

page 11. Fairfax County, VA, high-school students in astronomy lab. Photographer: Randy Wyant.

page 26. Teacher and student at laboratory centrifuge in Fairfax County, VA. Photographer: Randy Wyant.

page 27. Students at Suitland High School, Forestville, MD, conduct ChemCom laboratory activities. Photographer: Colette Mosley, courtesy American Chemical Society.

page 41. Students dissect a cow's eye. Courtesy University of California, San Francisco.

page 54. Teachers participate in DNA fingerprinting science program. Photographer: Karen Preuss, courtesy University of California, San Francisco.

page 55. Teachers participate in San Francisco City Science Summer Institute. Photographer: Margaret R. Clark, courtesy University of California, San Francisco.

page 65. Teachers participate in San Francisco City Science Summer Institute. Photographer: Margaret R. Clark, courtesy University of California, San Francisco.

page 74. First-grade student at Monocacy Elementary School in Frederick, MD, holds duckling hatched in classroom. Courtesy Ardith Newbold.

page 75. Students at Long Branch Elementary School, Arlington, VA, work on an activity from Sounds, a third-grade STC unit. Photographer: Dane A. Penland, courtesy NSRC.

page 100. Students at Bailey's Elementary School, Fairfax, VA, work on an activity from Animal Studies/Ecosystems, a fourth-grade STC unit. Photographer: Rick Vargas, courtesy NSRC.

page 103. Student at Bailey's Elementary School, Fairfax, VA, work on an activity from Animal Studies/Ecosystems a fourth-grade STC unit. Photographer: Rick Vargas, courtesy NSRC.

page 112. Students at Watkins Elementary School, Washington, DC, work on an activity from Chemical Tests, a third-grade STC unit. Photographer: Dane A. Penland, courtesy NSRC.

page 114. Student in Fairfax County, VA. Photographer: Tom Schudel.

page. 115. Student at Stuart-Hobson School, Washington, DC, works on an activity from Magnets and Motors, a sixth-grade STC unit. Photographer: Dane A. Penland, courtesy NSRC.

page 118. Student participates in activities during ''Take Your Child to Work Day" at the National Academy of Sciences, Washington, DC. Photographer: Linda Bellofatto.

page 120. Pre- and post-tests show concept development of the needs of living things of student Alicia Incerpi at Montclair Elementary School in Los Altos, CA.

page 121. Students at Watkins Elementary School, Washington, DC, work on an activity from Chemical Tests, a third-grade STC unit. Photographer: Dane A. Penland, courtesy NSRC.

page 125. Child with hamster. Photographer: Jan Tuomi.

page 132. Elementary-school children. Courtesy Joyce Weiskopf.

page 142. Sixth-grade student's drawing of an ecocolumn.

page 143. Student participates in activities during "Take Your Child to Work Day" at the National Academy of Sciences, Washington, DC. Courtesy Linda Bellofatto and Nancy Dubiell.

page 153. Students participate in activities during "Take Your Child to Work Day" at the National Academy of Sciences, Washington, DC. Courtesy Linda Bellofatto and Nancy Dubiell.

page 172. Drawings by Arlene Pinto, student at Washington-Lee High School, Arlington, VA.

page 195. Student in Fairfax County, VA, works in school greenhouse. Photographer: Randy Wyant.

page 203. Students at Suitland High School, Forestville, MD, work at ChemCom activity building models of alkanes and alkenes. Photographer: Colette Mosley, courtesy American Chemical Society.

page 208. Participants in San Francisco City Science Summer Institute. Photographer: Margaret R. Clark, courtesy University of California, San Francisco.

page 209. Student and teacher at Watkins Elementary School, Washington, DC, work on an activity from Chemical Tests, a third-grade STC unit. Photographer: Dane A. Penland, courtesy NSRC.

page 226. Participants in San Francisco City Science Summer Institute. Photographer: Margaret R. Clark, courtesy University of California, San Francisco.

page 227. Irene Chen, a participant in the 54th Westinghouse Science Talent Search. Photographer: Mark Portland, courtesy of the Science Talent Search.

page 237. Teachers' curriculum workshop. Courtesy Joyce Weiskopf.

page 242. Amil Menom, a participant in the 54th Westinghouse Science Talent Search. Photographer: Mark Portland, courtesy Science Talent Search.

page 243. Student at Watkins Elementary School, Washington, DC, works on an activity from Chemical Tests, a third-grade STC unit. Photographer: Dane A. Penland, courtesy NSRC.



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