science
Grade6
Easy
Question
Expansion is the result of increase in ________.
- Velocity
- Acceleration
- Heat
- Pressure
The correct answer is: Heat
Expansion is the result of increase in heat.
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If the initial temperature is 50 K and the then increased to 100 K, then the change in temperature is ___________________.
If the initial temperature is 50 K and the then increased to 100 K, then the change in temperature is ___________________.
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All effects on the expansion are due to _________.
All effects on the expansion are due to _________.
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Expansion of liquid is due to ________.
Expansion of liquid is due to ________.
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Heating of iron rod makes it _________.
Heating of iron rod makes it _________.
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The temperature _______ with heat.
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The length of rod is 4 m. When subjected to heat, it expands to 10 m with a change in temperature of 6°C. Find the coefficient of expansions.
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Change in _____ is required for expansion.
Change in _____ is required for expansion.
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Area is denoted by __________.
Area is denoted by __________.
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The initial volume of the solids is 20 m3 , and after 50 m3, the change in the volume is __________________.
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Environmental heat is measured in _______.
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Solids expands on heating because their _________ absorbs the heat energy.'
Solids expands on heating because their _________ absorbs the heat energy.'
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Natural source of heat is ________.
Natural source of heat is ________.
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Gas stove is the source of ___________.
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Microwave oven is used to ________ food.
Microwave oven is used to ________ food.
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