KENDRIYA VIDYALAYA PALWAL

SUMMER VACATIONS

HOLIDAYS HOMEWORK

CLASS VI

SUBJECT:MATH

Do all the work in file

Q1: answer the following questions:

i) The counting number are also called_________

ii) In the number 6743, 4 stands for_________

iii) The predecessor of a number is obtained by___________

iv) The smallest number of 5 digits is_______

v) The largest number formed by the digits 4,3,9,0, round off to the nearest thousand is________

Q2: answer true or false:

i) The roman numeral for 44 is xliv.

ii) Xl means 50-10

iii) The sum of successor and predecessor of 100 is 200.

iv) The successor of 9999 is 1000.

v) In the number 8947, 4 stands for 4 ones.

Q3: the hindu-arabic numeral for the roman numeral cccxl.

(a) 3500

(b) 190

(c) 120

(d) 340

Q4: which of the number is smallest?

(a) Ten lakh seven

(b) Fourt eight thousand three hundred

(c) Two lakh fifty thousand

(d) Seven thouand

Q5: the number fifty nine thousand nine hundred eighty six in numeral is

(a) 59896

(b) 58996

(c) 59986

(d) 5996

Q6: in the number 43256, the digit 3 stands for

(a) 3 hundred

(b) 3 ten hundred

(c) 3- thousand

(d) 3 tens

Q7: which of the following natural number does not have a predecessor?

(a) 2

(b) 1

(c) 3

(d) 1000

Q8: smallest whole number is:

(a) 5

(b) 2

(c) 1

(d) None of these

Q9: add using number line:

(a) 3+4

(b) 2+7

(c) 1+8

(d) 6+2

Q10: subtract using the number line:

(a) 7-3

(b) 10-2

(c) 8-1

(d) 12-5

Q11: find the estimated sum of 4,380 and 18,765 to the nearest thousand.

Q12: form the largest and smallest 4 digit numbers using each of the digit 9,3,1,7.

Q13: insert commas suitably and write the names according to indian system as well as international system

(a) 87595762

(b) 8546283

(c) 7452283

(d) 7375307

Q14: write the following number in expand form

(a) 43267

(b) 2132

(c) 4867

(d) 405

Q15: the population of rajasthan is 5,67,31,226 of goa is 13,43,998 nad of karnataka is 5,27,33,958. What is the combined population of the three states?

Q16: give the predecessor of each of the following number

(a) 7,00,800

(b) 18,00,93,100

Q17: convert 800km 250m into meter.

Q18: rounding off to nearest hundred

(a) 7789-539

(b) 665-213

(c) 1314+273

(d) 1597+290

(e) 715*377

Q19: write the following number in roman numerals :

(a) 3

(b) 38

(c) 300

(d) 95

(e) 250

Q20: i am a five digit number. My ones digit is 3. My hundred digits is 2 times my one digit. My tens digit is sum of ones digit and hundred digit. My thosands and ten thousand digits is one less than hundred digit.

(a) What number am i?

(b) Write my successor?

(c) Am i greater than or less than the number fifty five thousand nine hundred thirty six?

Project work:

Name five large cities in india. Find their population.also find the distance in kilometer between each pair of these cities.

Activity:

Activity based on multiplication.

Write tables from 2 to 20.

SUBJECT: ECONOMICS

1. Learn and write 2 items ques/ans of ch-1(his), ch-1(geo).

2. Make a project of solarc system and write in note book about planets of solar system.

3. Collect and paste the picture of hunter and gatherer/ early man.

4. Write some lines about our national symbols and paste their picture.

SUBJECT: SCIENCE

Activity: make a list of food items generaly take by people of different region of india. With proper picture in scrap book.

Ques/ans:

1. Page 6, q-2.

2. What is the difference between behaviour and carnivores animals.

3. Page 17,q-1.

4. Page 17, q-3a,3b.

5. Why proteins and minerals are needed for our body.

6. Write test for protiens in detail(10-20 words).

7. Learn all q/a and exercise of ch-1 and 2.

Project:

Prepare a diet chart to provide balance diet to a tweleve year old child. The diet chart should include food items which are not expensive abd are commonly available in your area.

SUBJECT:ENGLISH

1. Learn the whole syllabus of FA 1.

2. Attempt the whole readiness programmed for fifteen days.

3. Write five paragraph, five letters, five applications, five bio sketches and five stories.

4. Do 20 writing pages in neat and clean writing

Project: prepare a chart paper describing with picture a visit to a hill station.

SUBJECT: W.E.

Bulb diagram with name of all parts

SUBJECT: ART EDUCATION

1. Make a composition and colour it nicely with poster colour in your art file.

a) A village scene.

b) My school.

c) Make cartoon world.

2. Make a still life of any four (4) objects by using 4b or 6b in your art file. Also give proportion and shading to it.

3. Make a decorative photo frame.

4. Make a good luck card by using a4 size colourful pastel sheet .

5. Make a colourful picture collage on a3 size pastel sheet. Any one-

a) Fruits

b) Famous personalities

6. Make 20 sketches in your file with 4b grade pencil.

SUBJECT: HINDI

1. 4,5,6,7, 4,5,6,7, |

2. (4,5,6,7)

3. 5-5 |

4. : , |

SUBJECT: COMPUTER

Activity: paste picture of different input/output devices and show their functionality.

CLASS VII

SUBJECT: ENGLISH

1. Learn the whole syllabus of fa 1.

2. Attempt textual ques/ans of

1.the three questions

2. A gift of chappals.

3. The squirrel.

4. The tiny teacher

5.the shed

4. Write five paragraph ,five letters,five applications,five bio sketches and five stories.

Project: prepare a chart paper describing with picture global warming.

SUBJECT: SST

Write note on:

1. Inscripions.

2. Manuscript.

3. Dyaiasty

4. Archaeology.

5. Prepare a chart showing different historical sources,used by histirious to reconstruct history of our past.

sources: a. Archacological sources

b. Literarcy sources

6. Major components of environment with picture

1.natural components

2.human components

3. Non human components.

7. Universal adult franchise

8. Constitution

9. Civil rights movement

10. Democracy.

Subject:science

Activity: different fabrics and their sources.collect and pate different fabrics and write down their sources.

Ques/ans:

1. Page 9, q-1.

2. Page 9,q-2.

3. Page 9,q-5.

4. Page 21, q-5.

5. Page 21, q-8.

6. Page 21, q-7.

7. Page 21, q-5.

8. Page 32, q-4(ii).

9. Page 32, q-4(iii).

10. Page 32, q-1(a).

11. Page 32, q-5.

12. Page 21, q-9.

13. Page 22, q-12 on chart paper.

Project:

Find out what vitamins are and get the following information.

(i) why are vitamins necessary in the diet?

(ii) which fruit or vegetables should be eaten regularly to get vitamins?

Write a one page note on the information collected by you on coloured a-4 size sheets.

14. Learn all the q/a and exercise of ch-1,2 and 3.

SUBJECT: W.E

ELECTRICAL DOMESTIC ITEM DIAGRAM ON FULL CHARTS.

SUBJECT: ART EDUCATION

7. MAKE A COMPOSITION AND COLOUR IT NICELY WITH POSTER COLOUR IN YOUR ART FILE.

d) A MARKET SCENE.

e) MY FAMILY.

f) CLASS ROOM SCENE.

8. MAKE A STILL LIFE ON FRUITS AND VEGETABLES BY USING PENCIL COLOURS IN YOUR ART FILE. ALSO GIVE PROPORTION AND SHADING TO IT.

9. MAKE A DECORATIVE PEN/PENCIL HOLDER BY USING CARD BOARD.

10. MAKE 2 POSTERS ON A3 SIZE SHEET AND USE POSTER COLOUR NICELY ON GIVEN TOPIC.

SAVE WATER AND SECURE FUTURE AND GROW MORE TREES.

11. MAKE A COLOURFUL PICTURE COLLAGE ON ANY ONE-

c) NATURE WORLD

d) DIFFERENT PEOPLE, ONE NATION

12. MAKE 20 SKETCHES IN YOUR FILE WITH 4B GRADE PENCIL

SUBJECT:

1. : 5 |

2. |

3. 6 18 4-4 |

4. 2 |

5. 10 |

6. 5-5 |

SUBJECT: MATH

Do all this work in file.

Q1: in a magic square the sum of the number in each row, in each column ad along the diagonals is the same. Is this a magic square?

4/11

9/11

2/11

3/11

5/11

1/11

8/11

1/11

6/11

5

-1

-4

-5

-2

7

0

3

-3

Q2: write a pair of integer whose sum gives

(i) A negative integer

(ii) Zero

(iii) An integer smaller than both the integers

(iv) An integer greater than both the integers.

Q3: starting from -5*4 fixed -5*(-6).

Q4: answer the MCQs:

(i) When two negative integers are added we get

(a) Positive integer

(b) A negative integer

(c) Bometimes +ive or ive

(d) None of these

(ii) Which of the following is true:

(a) -8+(-4)>(-8)-(-4)

(b) -8+(-4)>a e2p/40 x3.

5. Why do the electrostatic field lines not from closed loops?

6. A powerful place capacitor of c is charged to a potential v. It is then connected to another uncharged capacitor having the same capacitance. Find out the rate of the energy stored in the combined system to that stored initially in the single capacitor.

ELECTROSTATICS(A)

1. Write the two pairs of perpendicular vectors in the expression of torque on an electric dipole of dipole moment p placed in a uniform electric field e. Show that no translator for acts on it.

2. a) Two spherical conductors of radius r1 and r2 (r2>r1) are charged. If they are connected by a conducting wire. Find out the ratio of surface charge densities on them.

3. a) Define electric dipole moment. Is it a scalar or a vector? Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole.

B) Draw the equipotential surface due to an electric dipole. Locate the points where to potential due to the dipole is zero.

4. A hallow cylindrical box of length 1m and area of cross-section 25cm2 is placed in a three dimensional coordinate system as shown in the figure. The electric field in the region is given by e= 50xi where e is in nc-1 and x is in meters.

Find

a) Net flux through the cylinder.

b) Charge enclosed by the cylinder.

Y

Z

5. A) Depict the equipotential surfaces for a system of two identical positive point charges placed at a distances apart.

B) Deduce the expression for the potential energy of a system of two point charges. Q1 and q2 brought from infinity to the points r1 and r2 respectively in the presence of external electric field e.

GAUSSS THEOREM

1. Immediately after school hour as bimla with her friends came out. They noticed there was a sudden thunderstorm accompanied by the lightening. They could not find any suitable place for sheeted dr.kapoor that was passing thereby in his car. He even took care to drop them to the locating where they were staying bimla parents, who were waiting, saw this and expressed their gratitude to dr.kapoor.

a) What value did dr. kapoor and bimla parents display.

b) Why is it considered safe to be inside a car especially during lightening and thunderstorm?

c) Define the term dielectric strength what does their term signifies?

2. A) Define electric flux?

B) Use gausss law to find the electric field inside, outside and at the surface of a spherical shell is zero.

3. A) Derive the expression for the energy stored in a parallel plate capacitor. Hence obtain the expression for the energy density of the electric field.

B) A fully charged parallel plate capacitor is connected across on unchanged identical capacitor. Show that the energy stored in the combination is less than that stored initially in the single capacitor.

4. A network of four capacitor each of 12 uf capacity is connected to a 500 v supply as shown in fig. Determine

a) Equivalent capacitance of the network and

b) Charge on each capacitor.

Current electricity:

1. Draw a circuit diagram of a potentiometer. State its working principle. Derive the necessary formula to describe how it is used to compare the emfs of two cells.

2. Answer the following:

a) Why are the connectors between the resistors in a meter bridge made of thick copper stripe?

b) Why is it generally preferred to obtain the balance point in the middle of the meter bridge wire?

c) Which material is used for the meter bridge wire and why?

3. A battery of emf E and internal resistance rohem when connected across an external resistance of 5, produce a current of 1A, when connected across a resistance of 11, it produce a current of 0.5A, determine the

(a) Emf

(b) Internal resistance of cell.

4. State Krichoffs laws of current distribution in an electrical network. Using those rules determine the value of current in I1 in the electric circuit given below.

5. Establish the relation between current and drift velocity.

6. State Ohms law? Hence define the resistance of a conduct derive J=E.

7. a) Is the temperature coefficient of resistance always positive?

b) out of metals and allays, which has higher value of temperature coefficient of resistance.

8. On which principle the meter bridge works. Determine the, unknown resistance with the help of meter bridge.

SUBJECT: COMPUTER

Q1: GIVEN THE FOLLOWING CODE FRAGEMENT INT CH=20;

COUT