Grades 1-4, 85 pp. $11.95 Machines Book by Janice VanCleave explores how your forearm is like a lever, how windmills help with work, and why it's easy to pull a flag up a flagpole.
(Grades 1-4, 85 pp; explores; how your forearm is like a lever) Context(Grades 1-4 , 85 pp explores,List([0, 68))):(your forearm; is; like a lever) (windmills; help; with work)
Grades 1-4 , 85 pp explores,List([0, 68))
Grades 1-4, 85 pp your forearm windmills
explores is help
how your forearm is like a lever
like a lever
with work