Light and sound energy
By: written by Leslie Chiswell, John Goodyear, Christer Nilsson ; edited by Peter Williams ... [et al.] ; illustrated by Pottery Chan and Johnny Leung.
Contributors: Nilsson, Christer, 1943-; Goodyear, John, 1962-
Series: Science & technology activities resource -- Gr. 4
Publisher: GTK Press
Published: 1999
Place of publication: Toronto
Language: eng
Number of pages: 43
Subjects: Light -- Juvenile literature.; Light -- Study and teaching (Elementary); Sound -- Juvenile literature.; Sound -- Study and teaching (Elementary)
Genres: Juvenile literature.
Notes: For students in grade 4.

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