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Conductors and Insulators (Electric)
Worksheet
Grade Level
Grade 4
4.30 Conductors and Insulators (Electric)
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🔴 Hard
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An unknown sample is tested, and the bulb stays off. Which next step would give the strongest evidence that the sample is an insulator instead of a broken circuit?
A
Test a known metal strip in the same setup and see whether the bulb lights.
B
Move the notebook farther from the battery.
C
Sort the sample by weight instead of retesting.
D
Put two unknown samples into the gap at the same time.
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