Q1. Classify the type of change seen in the given examples:
a. Burning of leaves
b. Glowing filament of a bulb
C. Fermentation of idli batter
d. Blooming of a flower
e. Boiling of potatoes
f. Melting of ice cream
g. Heating of cold milk
h. Wick of lighted candle
i. Making tools from iron
j. Beating of your heart
Q2. Fill in the blanks:
a. The glowing of a tubelight is a
change.
b. Rotation of a fan is a
change.
c. Changes in which new substances are formed are called
d. Growth of a child is a
change.
e. Eruption of a volcano is
change.
f.changes absorb energy from the surroundings.
g. The type of change that is always permanent in nature
Answers
Answered by
7
1.chemical change
2.chemical change
3.chemical change
4.physical change
5 chemical change
6.physical change
7.physical change
8.physical change
9.chemical change
10.physical change
Q2.
1.physical change
2.physical change
3.chemical change
4.chemical change
5.physical change
6.chemical change
7.chemical change
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