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Conductors and Insulators (State Extension)
Worksheet
Grade Level
Grade 5
5.12 Conductors and Insulators (State Extension)
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Double-pane windows have an air gap between the panes. How does the air gap help?
A
Air is a poor thermal conductor, so it slows heat transfer.
B
Air turns the glass into metal.
C
Air makes both panes heavier so they store more electricity.
D
Air is the best electrical conductor, so it adds power.
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