EASY
7th CBSE
IMPORTANT
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Which of the following modes of heat transfer does not need a medium?

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Important Questions on Heat and Its Effects

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Heat and Its Effects>EXERCISE>Q 10
What is the constant movement of water on being heated is called?
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Heat and Its Effects>EXERCISE>Q 1

_____ is a form of energy.(Heat/Air)

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Heat and Its Effects>EXERCISE>Q 3
Mercury thermometers work on the principle that it _____ on heating. (expand/contract)
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Heat and Its Effects>EXERCISE>Q 4

The lower fixed point in degree Celsius scale is _____ °C. ( 0/273/32)

EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Heat and Its Effects>EXERCISE>Q 6
On heating, the _____ of an object start vibrating faster.( body /molecules/surface)
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Heat and Its Effects>EXERCISE>Q 7
Heat transfer in solids takes place by the process of _____.
MEDIUM
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Heat and Its Effects>EXERCISE>Q 9
Sea breeze and land breeze are examples of _____ current.
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Heat and Its Effects>EXERCISE>Q 10
The heat from the Sun to the Earth reaches in the form of _____.