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2
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A tiny flash
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7
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To tie or fasten one thing to another
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8
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A test made in order to study what happened
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9
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One of the boys in BE1A
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10
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A room or building used for scientific work.
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13
|
This person invented the light bulb.
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14
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Something that is found or discovered.
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15
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One of the girls in BE1A
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16
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This was discovered by Benjamin Franklin
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18
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This invention by Jang Yeongsil tells us the time by using the sun.
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19
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A thin rope or chord used for tying things.
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1
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To watch someone or something carefully.
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3
|
This is Alexander Graham Bell's famous invention.
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4
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One of the girls in BE1A
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5
|
A device for measuring time that uses the flow of water.
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6
|
This person invented the rain gauge.
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|
11
|
One of the boys in BE1A
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12
|
To do or choose something without a specific reason or method.
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17
|
Someone who invents things.
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