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Physical
Earth
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Physical
Physical
Physical
Where does electricity come from?
James Smith
-
August 4, 2020
Physical
Why can’t hot iron magnet attract iron?
James Smith
-
August 4, 2020
Physical
Why magnets attract iron?
James Smith
-
August 4, 2020
Physical
Why must large lightning rods be installed on large buildings?
James Smith
-
August 4, 2020
Physical
Lightning formed like?
James Smith
-
August 4, 2020
Physical
Why does water in the fat pan cause “crackling” sound?
James Smith
-
August 4, 2020
0
Physical
Why do not use water to set fire when extinguished?
James Smith
-
August 4, 2020
0
Physical
Why does hot water retain heat?
James Smith
-
August 4, 2020
0
Physical
Why fire always up?
James Smith
-
August 4, 2020
0
Physical
Why do double-glazing have to be installed on train windows?
James Smith
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August 4, 2020
0
Physical
Why is fur coat particularly good for keeping warm?
James Smith
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August 4, 2020
0
Physical
In winter, why touch iron is colder than wood?
James Smith
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August 4, 2020
0
Physical
Why is the fan running or manual fan feeling cool?
James Smith
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August 4, 2020
0
Physical
Why can solid corn kernels turn into crunchy popcorn?
James Smith
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August 4, 2020
0
Physical
Why is it easier to peel when boiling eggs, soaking in cold water?
James Smith
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August 4, 2020
0
Physical
Why porridge boil over?
James Smith
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August 4, 2020
0
Physical
Summer, why bikes prone to tire explosion?
James Smith
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August 4, 2020
0
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