Question

XIII. Match the following:
1. Breaking of glass
2. Motion of a swing
3. Cooking on food
4. Change of season
periodic change
man-made change
natural change
physical change​

Answer 1

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Solution:

1. Breaking of glass = Physical change
2. Motion of a swing = Periodic change
3. Cooking on food = Man made change
4. Change of season = Natural change

Basic points:

1. Breaking of glass is physical change because physical change involve altering the shape or form of substance. Glass breaks into pieces but it is still a glass
2. Periodic change are changes that occur at regular interval or period. Motion of swing is periodic change because it moves to and fro at regular interval
3. Cooking on food is man made change which require man, fire, strength and ideas
4. Change of season is natural because it occurs naturally due to revolution of earth around sun

Answer 2

Answer:

up one are . correct answers