PHYSICS REVISION ( class 7 )

1) Define the term measurement.
2) What are fundamental physical quantities?
3) Give four examples of fundamental and four examples of derived physical quantities.
4) Define:- length,area,volume,mass,weight,time period, amplitude of a simple pendulum and effective length of a simple pendulum.
5)Mention 2 factors on which the time period of a simple pendulum depends.

decimal problems (cottonians)

1) A boy had 3 ropes,their lengths were 4.4m, 3.09m and 2.25m. What was the total length of the ropes?
2) A bag of sand weighed 35.75kg, if some sand fell out and the bag now weighed 29.25 kg, what was the weight of the sand that fell out?
3) The cost of a pen is Rs. 12.4, what will be the cost of 5 similar pens?

HEAT

1) Explain with the help of an experiment to show thermal expansion.
2)Explain with the help of an experiment to show that gases expand on heating.

welcome back to school

maths , class 7

find the value of

1) 0.75 + 23 + 0.9
2) 23.5 - 1.93
3) 2.5 x 1.5
4) 25.5 x 0.12
5) 0.345 + 8.3
6) ( 1.6 + 5.34 ) - 4.9
7) 222 - 12.9
8) 109 + 9.9
9) 10.234 x 10
10) 1000 x 0.54

dussera holidays

WISHING ALL OF YOU HAPPY DUSSERA HOLIDAYS, ENJOY YOURSELF , AND HOPE TO SEE YOU ALL CHARGED UP WHEN WE RETURN TO SCHOOL AND WORK

welcome to the world of home e teaching

HOME WORK FOR CLASS 5 (WORK SET ON 20/9/07)

FIND THE LCM OF 54,64
FIND THE HCF OF 125,120
THE PRODUCT OF 2 NUMBERS IS 1000 AND THEIR HCF IS 45,FIND THEIR LCM.
FIND THE SUM OF 4/5 AND 5/6
EVALUATE 4/5 - 9/15

THE HCF OF 2 NUMBERS ARE 20 AND THEIR LCM IS 100, IF ONE NUMBER IS 20 FIND THE OTHER.

FIND THE COMPLEMENT OF 23 DEGREES

FIND THE SUPPLEMENT OF 112 DEGREES

CONSTRUCT 105 DEGREES

BISECT 124 DEGREES