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Stick the battery on top of the large disc. Connect the wire l...
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Fourth Stroke (exhaust stroke). The rotating flywheel forces t...
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A train of four different kinds of gears shows how mechanical ...
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Home-made motor and generator.
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Desk lamp, balloons (not inflated), torch, magnets, petroleum ...
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Adhesive tape, double-sided tape, masking tape.
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A train of four different kinds of gears shows how mechanical ...
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High-pressure fluid, such as oil and air, drive many machines....
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An automatic lamp has a light detector that makes the bulb lig...
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A cylinder of a car engine shows how heat energy from burning ...
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Dowel, round file, scissors, masking tape, pen, modelling clay...
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1). Cut four sections, each with a scoop and flat edge, from t...
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1). Cut four sections, each with a scoop and flat edge, from t...
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2). Mark a cork into quarters along its length. Cut a slit alo...
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3). Cut a hole in the top half of the second bottle. Hold the ...
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4). Place glue in the hole in the cork. Hold the turbine insid...
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6). Place glue in the central shaft of the cotton reel then pl...
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6). Place the apparatus is in a tray and a funnel in the neck ...
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Fisrt stroke (induction stroke). The flywheel, which is turnin...
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Second stroke (compression stroke). The heavy flywheel continu...
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