Question

SUMMER BREAK HOME WORK (2021-22)
Aryakulam
Class - IX
1. Activity - Perform the activity 9.5 of Ch-9 at page no. 124. Observe the direction in
which the straw moves and note down in your notebook.
2. Activity - Perform the activity 1.14 of ch-I at page no. 9. Record the time or days
taken for the evaporation process and explain about the effect of temperature, surface
area and wind velocity on evaporation. [You can use an empty medicine bottle of
small size and a bowl instead of test tube and china dish respectively.)
3. Activity - Perform the activity 1.2 and 1.4 of ch - I on pg no. 1 and 2 respectively.
Note down your observation in the notebook. [In activity 1.2, you can use dry form of
colour like Sindoor, Neel etc. instead of crystals of potassium permanganate ]
Prepare a model for converting of solid to liquid & liquid to gaseous state. For
making the model, the process has given on pg no. 13.
Revise the covered syllabus [ch - 1,8,9) and practice the extra questions of all
chapters
fory
complete and learn syllabus that is till covered
ead chapter-1 and 2
m and Write qu stion​

Answer 1

Answer:

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Answer 2

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