D.A.V.CENTENARY PUBLIC SCHOOL CHANDER NAGAR
HOLIDAY HOMEWORK, CLASS-VIII (2015-2016)
INTEGRATED HOMEWORK
TOPIC--- ENERGY
SOCIAL SCIENCE
1. Make a picture presentation on “Wind” as a non conventional source of energy and map the
states of Indian harnessing wind energy.
2. What are the benefits of solar energy? Name and mark the states of Indian on a political map
which has the largest solar energy plants.
3. How can we conserve electricity and water for sustainable development.
SCIENCE
1.
2.
3.
4.
Paste 10 pictures of various forms of energy.
Paste 10 pictures of transformation of energy taking place around you.
Make a flowchart of classification of energy and paste pictures of their examples.
WRITE 10 WAYS OF CONSERVATION OF ENERGY.
COMPUTER
1. Create a PowerPoint presentation on any one of the following:
 Forms of Energy
 Wind as Conventional source of energy
 Benefits of Solar Energy
 Conservation of energy
Note: Send your documents through Email to davcps.assign@gmail.com. Mention your name and
class along with section in subject of the email or submit them in CD.
MATHS
Q 1Draw and write the surface area and volume of a cube cuboid and cylinder.
Q2
MAKE A CHART ON THE TOPIC : ALGEBRAIC IDENTITIES.
Q3
A FIGURE IS called symmetrical about a line , if when it is folded about that line ,the
Two parts of the figure coincide with each other using this concept create some symmetrical figure
Q4 write the formulae used for finding Percentage, Profit , loss and simple interest
Q5
Revise chapter- 2 and 3 (In P.N.B ) for II U.T
ASSIGNMENT
PROFIT/LOSS/DISCOUNT
Q1) A shopkeeper purchased 100 blankets Rs 2000 each . He found that 10 blankets were defective and he
sold these at Rs 1200 each . At what rate should he sell the remaining blankets so as to gain 14% on the
whole.
Q2) Gorang bought 60 Kg apples at Rs 48 per Kg. He sold 70% of the apples at Rs 60 per Kg and the
remaining apples at Rs 35 per Kg . Find his gain or loss percent on the whole transaction
Q3) A dealer purchased 250 bulbs for Rs 10 each .How ever 12 bulbs got fused which he had to through
away . She sold the remaining bulbs at Rs 12 each. Find her gain or loss percent in the whole transaction
Q4) If the cost price of 10 chairs is equal to selling price of 16 chairs , Find the gain or loss percent
Q5) Sabana bought 16 dozen ball pens and sold them at a loss equal to S.P. of 8 ball pens Find her loss %
Q6) Mariam bought two fans for Rs 3605. She sold one at a profit of 15% and the other at a loss of 9% If
she obtained the same amount for each fan, Find the cost price of each fan?
Q7) MrKukreja bought two horses at Rs 20000 each. He sold one Horse at 15% gain but he had to sell the
second horse at a loss. If he had suffered a loss of Rs 1800 on the whole transaction find the seeling price
of the second horse
Q9) A farmer sold two cows for Rs 18000 each . On one he gained 20% and on the other he lost 20%.Find
his total loss or gain
Q10)A table of marked price Rs 1500 and is sold for Rs 1080 after allowing a certain discount. Find the rate
of discount
Q10) Find the marked price of an Almirah which sold at Rs 5225 after allowing a discount of 5% .
Integrated
Data-consumption of energy for the year 2014-2015.
ENGLISH
Do the following :1.) Collect information and pictures on the Earthquake which hit Nepal recently and prepare a
beautiful collage in the scrap file.
2.) Read ‘ The Bad Dream’ from the English Literature and write the charactersketch of Mr. Hill.
3.) Watch a latest movie and write the film review in your own words.
Write your concept of fun-filled vacation.
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