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Cashar 7 / 10
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Natiijada casharka
I can explain how to carry out a fair test to investigate insulators.
Muuji qoraalka
In a fair test, only the independent variable is changed so that no other changes could affect the results.
The variables that are deliberately kept the same are called control variables.
A lid on a beaker prevents transfer of energy by convection currents.
Gas is a very poor thermal conductor.
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Imtixaankan weli diyaar ma aha.
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Tan waa isla casharka sida ardaygu u arko. Waxaad qayb kasta u dirsan kartaa ardayda.
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