Complex and simple machines
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Transcript of Complex and simple machines
![Page 1: Complex and simple machines](https://reader036.fdocuments.in/reader036/viewer/2022062823/5875cd5a1a28ab8f438b493f/html5/thumbnails/1.jpg)
COMPLEX AND SIMPLE MACHINES
Natural Science 5th of Primary
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SIMPLE MACHINEA simple machine has one or few
components
Example: lever, hammer, scissors, screw, pulley, ramp
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COMPLEX MACHINESA complex machine has a lot of
elements
Example: bicycle, car, computer, mobile phone, clock
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SIMPLE OR COMPLEX MACHINES
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SIMPLE MACHINES
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LEVERS
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LEVERS
The fulcrum is in the middle
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LEVERS
The load is in the middle
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LEVERS
The effort is in the middle
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COMPLEX MACHINES
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QUESTIONSWhat kind of machine is a computer?What kind of machine is a hammer?What are the three parts of a lever?Let’s think in examples of simple
machines (Write 5 words)Let’s think in examples of complex
machines (Write 5 words)
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ACTIVITIES1. Classify these machines in
simple or complex.
2. Write load, fulcrum or effort in this levers. Then, say if it is 1st genre, 2nd or 3rd
lever – car – computer – hammer – pulley – clock – bicycle – ramp – wheel - telephone
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JOURNALWrite and draw three examples
simple and three of complex machines