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(0)Alexandra Parsons
1) La Tierra
Author
Publisher
SM
Pub. Date
c1992
Language
Español
Description
Experiments and activities introduce the world of earth science.
2) El sonido
Author
Publisher
SM
Pub. Date
1995
Language
Español
Description
Experiments and activities explore the world of sound.
4) Las plantas
Author
Publisher
SM Saber
Pub. Date
1993
Language
Español
Description
Colorfully illustrated guide to creating science projects and experiments with plants.