Created by
cuartocossio
- Natural Science
- Machines
- Age 8-12
-
level: Grade 4
- English
คำแนะนำของผู้เขียน
Worksheet about: tructures, types of machines( simple or complex), source of energy, lever, pulley, and inclined plane.
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Created by
cuartocossio
คำแนะนำของผู้เขียน
Worksheet about: tructures, types of machines( simple or complex), source of energy, lever, pulley, and inclined plane.