science
Grade6
Easy
Question
Heating of iron rod makes it _________.
- Retread
- Contract
- Expand
- Release
The correct answer is: Expand
Heating of iron rod makes it expand.
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The temperature _______ with heat.
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.
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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If the temperature is increased by 5 K and the initial temperature is 20 K, then the final temperature is _____________.
If the temperature is increased by 5 K and the initial temperature is 20 K, then the final temperature is _____________.
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The initial volume of the solids is 20 m3 , and after 50 m3, the change in the volume is __________________.
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 _______.
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 ___________.
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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All solids with two dimensions are _____________.
All solids with two dimensions are _____________.
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If the initial temperature of 150 K is increased to 300 K, then the change in the length is _____________.
If the initial temperature of 150 K is increased to 300 K, then the change in the length is _____________.
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Iron is ______ conductor of heat.
Iron is ______ conductor of heat.
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Upon heating, hydrogen gas _______
Upon heating, hydrogen gas _______
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