Holiday Homework For Languages And Sciences - Ix Class, Apeejay School, Sheikh Sarai-I, 2015 Page 3
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10CHEMISTRY
Q1: Assign reasons for the following:
(a) Naphthalene balls disappear if kept in air for a few weeks.
(b) Wet clothes do not dry easily in a rainy day.
(c) Gases are highly compressible while solids are not.
Q2: Arrange in the order indicated for solid, liquid and gas.
(a) Effect of pressure
(b) Empty spaces in the particles
(c) Tendency to flow
(d) Thermal expansion
Q3: Butter is generally wrapped in wet clothes during summers when no refrigerator is available. Explain
Q4: Kelvin scale is considered as a better scale than a Celsius scale. Why?
Q5: Explain with the help of an activity that matter has a particulate nature.
Q6: How is humidity related to evaporation?
Q7: Define temperature .Name the instrument used for measuring it& how its calibration done?
Q8: Explain the working of desert cooler.
Q9: What are the characteristics of the particles of matter?
Q10: Differentiate between boiling &evaporation.(4 points
)
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education