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Subjects
Science State Board
Class 6
Changes around us
Textbook questions
14.
Give short answer I
Exercise condition:
4
m.
1.
What happen when paper is burnt? Explain.
Burning the paper takes place in a
short period of time
natural period of time
golden period of time
long period of time
, so this is a
physical change
fast change
slow change
chemical change
.
2.
Can deforestation be considered a desirable change? Explain.
No, it is an
undesirable change
desirable change
physical change
chemical change
, and it is a man-made change. Deforestation causes
air polution
lower rainfall
acid rain
earth polution
and leads to global warming.
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