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About

Briefly describes simple machines, machine parts, and the powers that move them.

Reviews

Rating integrity

Healthy
Counted ratings come from accounts older than 7 days and were made on or after publication. Finished readers weigh ×1.0. Readers who have not finished yet weigh ×0.5. Did-not-finish ratings are shown but not counted.

Editions

3 editions
  • Other · English · 1985
    Trophy Pr · 9780064460095
  • Other · English · 1973
    Hamilton · 23 pages · 9780241022894
  • Other · English · 1972
    Simon & Schuster Books For Young Readers · 9780027775204
MachineryJuvenile literatureMachinery, juvenile literatureMachinesOuvrages pour la jeunesse