Push and pull /
by Leslie Garrett.
- Don Mills, Ont. : Pearson Education Canada, c2005.
- 8 p. : col. ill. ; 24 cm.
- Reaching readers. Information texts .
"Text type: Explanation" --Cover p. [4]. "Content area: Science : structures and mechanisms" --Cover p. [4]. "Guided reading level: D" --Cover p. [4]. "Intervention level: 5, 6" --Cover p. [4]. "DRA level: 6" --Cover p. [4].