Sloping up and down : the inclined plane (Robotx get help from simple machines)
by Law, Felicia (Author), Bailey, Gerry, 1945- (Author)
Print Book
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Item Description: |
Includes index. |
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Physical Description: |
32 pages : ill. ; 26 cm. |
Bibliography: |
Includes bibliographical references and index. |
ISBN: |
9780778704195 (reinforced library binding) 077870419X (reinforced library binding) 9780778704256 (pbk.) 0778704254 (pbk.) |