G1 Sci Heat (5.3 How does expansion and contraction affect us?)
Assessment
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Teo Chun Min
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Science
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7th - 8th Grade
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9 plays
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Hard
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10 questions
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1.
Multiple Choice
When an object is heated, it will ___________________ and ______________________ .
lose heat / expand
lose heat / contract
gain heat / expand
gain heat / contract
2.
Multiple Choice
Solid contracts more than liquid when cooled by the same amount.
True
False
3.
Multiple Choice
Gas expands more than liquid when heated by the same amount.
True
False
4.
Multiple Choice
The small gaps between tracks of train enable the tracks to ______________ during a hot day and prevents any damage.
contract
expand
longer
shorter
5.
Multiple Choice
Why there are gaps between metal connectors on bridge?
To allow water flow through it rainy season
To allow air flow during thunderstorm
To allow the bridge to expand when the temperature of the surrounding increases
6.
Multiple Choice
Why do overhead cables need to be installed with extra length?
It does not snap when it contracts during cold weather.
It does not snap when it expands during cold weather.
It does not snap when it contracts during hot weather.
It does not snap when it expands during hot weather.
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