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Hands-On Physical Science Activities: for Grades K-8 (J-B Ed: Hands On)
by Marvin N. Tolman
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with references to "effort arm".
Excerpt - on Page 195: "
... add to your list as you go. Teacher Igformatioq The fulcrum divides a first-class lever into two parts, called the effort arm and the load arm. ... "
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Hands-On Physical Science Activities For Grades K-6 , Second Edition
by Marvin N. Tolman
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with references to "effort arm".
Excerpt - on Page 297: "
... Teacher Information The fulcrum divides a first-class lever into two parts, called the effort arm and the load arm. ... "
Key Phrases:
Science Process Skills Observing, Teacher Information, Integrating Math, Hands-On Physical Science Activities, Science Investigation Journaling Notes, Integrating Language, journaling notes, blank boxes with other letters, valuable learning skills, science process skills, recording your measurements, share your project
(see more)
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Janice VanCleave's Machines: Mind-boggling Experiments You Can Turn Into Science Fair Projects
by Janice Pratt VanCleave
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with references to "effort arm".
Excerpt - on Page 3: "
... With this type of lever, less effort force is used when the effort arm (the distance from the fulcrum to the point where you apply the effort force) is longer than the load arm ... "
Key Phrases:
Science Fair Hint, repeat the original experiment, paper wheel, fixed pulley, compound machine, effort arm, load arm, dowel rod, thread spool, project display
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Life's Devices: The Physical World of Animals and Plants
by Steven Vogel
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with references to "effort arm".
Excerpt - on Page 264: "
... The force advantage is most often greater than one, but if the effort arm is shorter (effort closer to the fulcrum) than the load arm, then the advantage will be less than one. In ... "
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