science: reflection on making simple machines by: okkar htin, rose, shwe hmon, hnin ei (8a)
TRANSCRIPT
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SCIENCE: REFLECTION ON MAKING SIMPLE MACHINESBy: Okkar Htin, Rose, Shwe Hmon, Hnin Ei (8A)
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Purpose
We worked on two different projects and made two different machines.
#1: Robot Arm-Can pick up water bottles #2: Suspension Bridge- Represents
shifting of bridge to allow ships to pass through
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Design & Mechanisms Involved (#1) Materials used: Popsicle sticks, syringes,
pipe, water, wires, duct tape, rubber bands, fasteners, glue, cardboard
3 different syringes powering 3 different movable joints
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Design & Mechanisms Involved (#2) Materials used: Popsicle sticks, rubber
bands, syringes, pipe, glue Pressure of syringe being pulled back
travels through pipe and pulls mobile part of bridge up
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Faults & Limitations
#1: Cannot grasp minuscule items nor items of a certain shape due to original design of exclusively carrying water bottles
#2: Unstable engineering at the vital joints of the bridge, may not move when demanded
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Possible Improvements
More visually appealing (generous but subtle use of glue, clean-cut joints and components)
Refined placement of joints and mechanisms (resulting in easier movement of joints)