Light and sound
By: [Kim Hazelwood, Kathy McKenzie, authors.
Contributors: McKenzie, Kathy.; Durham Board of Education.
Series: Science & technology (Whitby, Ont.) -- Gr.4
Publisher: Durham District School Board, Program Services Curriculum
Published: 1999
Place of publication: Whitby, ON
Language: eng
Number of pages: 65
Subjects: Light -- Study and teaching (Elementary); Sound -- Study and teaching (Elementary); Matter -- Study and teaching (Elementary); Energy -- Study and teaching (Elementary); Physics -- Study and teaching (Elementary)
Other titles: Energy and control.; Matter and materials.
Notes: Grade 4.