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Subjects
Science State Board
Class 6
Changes around us
Changes and it's classifications
24.
Natural and man-made changes
Exercise condition:
6
m.
Choose the correct answer
:
1
.
Select the process in which solid is directly converted into gas.
Melting
Condensation
Sublimation
Evaporation
2
.
A metal rim is attached to the wooden cartwheel by
Breaking the wooden wheel
Breaking the metal rim
Heating metal rim
Heating wooden wheel
3
.
While burning a candle, which of these is not reversible?
None of these
Liquid wax changes into gas
Wax vapour burns into flame
Melting of wax
4
.
Which of the following is a human-made change?
Change of day and night
Falling of leaves
Blooming of flowers
Tearing of paper
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