Showing 261 - 280 results of 1,731 for search '', query time: 0.15s Refine Results
  1. 261
    Botanic action with David Bellamy /
    by Smallman, Clare
    Published 1978
    Book
  2. 262
    How to do a science project and report /
    by Gutnik, Martin J.
    Published 1980
    Book
  3. 263
    Let's explore with the electron: beginning theory, generating your own electrons, electricity from heat and light.
    by Bender, Alfred
    Published 1960
    Book
  4. 264
    Organic preparations /
    by Weygand, Conrad, 1890-1945
    Published 1945
    Book
  5. 265
    Science experiments with water /
    by Rosenfeld, Sam
    Published 1965
    Book
  6. 266
    Investigating science in the swimming pool and ocean /
    by Anderson, Norman D.
    Published 1978
    Book
  7. 267
    Statistical analysis of weather modification experiments /
    Published 1980
    Conference Proceeding Book
  8. 268
    Chemistry experiments for children /
    by Mullin, Virginia L.
    Published 1968
    Book
  9. 269
    Science experiments for elementary schools /
    by Walters, Robert E.
    Published 1977
    Book
  10. 270
    Experimenter's guide to solid state electronics projects /
    by Barber, Alfred W., 1906-
    Published 1980
    Book
  11. 271
    Science experiences for the early childhood years /
    by Harlan, Jean Durgin
    Published 1980
    Book
  12. 272
    Bet you can't! : Science impossibilities to fool you /
    by Cobb, Vicki
    Published 1980
    Book
  13. 273
    Adventures with a paper cup /
    by Milgrom, Harry
    Published 1968
    Book
  14. 274
    A handful of soil /
    by Simon, Seymour
    Published 1970
    Book
  15. 275
    Experimentos cientificos que se pueden comer /
    by Cobb, Vicki
    Published 1979
    Book
  16. 276
    Theory and experiment : recent insights and new perspectives on their relation /
    Published 1988
    Conference Proceeding Book
  17. 277
    Science experiments /
    by Gardner, Robert, 1929-
    Published 1988
    Book
  18. 278
    Experimental methodology /
    by Christensen, Larry B., 1941-
    Published 1985
    Book
  19. 279
    Science magic /
    by Swezey, Kenneth M.
    Published 1952
    Book
  20. 280
    Handling experimental data /
    by Pentz, Mike
    Published 1988
    Book
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