Summer Holiday 2018 Homework Project | GDGPS Gaya IX.pdf · The project should be handwritten and...

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Summer Holiday 2018 Homework Project | GDGPS Gaya

Transcript of Summer Holiday 2018 Homework Project | GDGPS Gaya IX.pdf · The project should be handwritten and...

  • Summer Holiday 2018 Homework Project | GDGPS Gaya

  • G. D. Goenka Public School, Gaya

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    Express Yourself! Evolve! Explore! Be The Change!

    PROPER PRESENTATION, NEATNESS, GOOD HANDWRITING WILL GET AN ADDED ADVANTAGE.

    1. Read the book GULLIVERS TRAVEL BY JONATHAN SWIFT and write a

    book review for the same.

    2. Collect any five news items on the given issues and give your views. Paste

    them in a scrapbook and comment on any two in120-150 words.

    Environmental Issues

    Technological Developments

    Your views in regard to Making sports compulsory in C B S E

    curriculum

    3. Identify and explain each oxymoron in the sentences below.

    1) My younger brother took the larger half of the blueberry muffin.

    2) The teacher asked the class to keep the noise down to a dull roar.

    3) When Elizabeth mentioned her election idea to the committee, it went over

    like a lead balloon.

    4) It was a minor miracle that no one was hurt when the car ran off the

    country road.

    5) James became a one-man band to raise money for the school project.

    6) He is always able to give an unbiased opinion when he is asked politely.

    7) The toy company faced a friendly takeover by the bicycle manufacturer.

    8) She asked in a loud whisper if anyone wanted to leave the movie with her.

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    Write the correct answer in each of the following:

    1. Every rational number is

    (A) A natural number (B) an integer (C) a real number (D) a whole number

    2. Between two rational numbers

    (A) There is no rational number

    (B) There is exactly one rational number

    (C) There are infinitely many rational numbers

    (D) There are only rational numbers and no irrational numbers

    3. Decimal representation of a rational number cannot be

    (A) terminating (B) non-terminating

    (C) non-terminating repeating (D) non-terminating non-repeating

    4. The product of any two irrational numbers is

    (A) always an irrational number (B) always a rational number

    (C) always an integer (D)sometimes rational, sometimes

    irrational

    5. The decimal expansion of the number 2 is

    (A) a finite decimal (B) 1.41421

    (C) non-terminating recurring (D) non-terminating non-recurring

    6. Which of the following is irrational?

    (A) 0.14 (B) 0.1416 (C) 0.1416 (D) .4014001400014...

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    7. A rational number between and is

    (A) (B) (C) 1.5 (D) 1.8

    8. The value of is equal to

    (A) (B) 2 (C) 4 (D) 8

    9. If = 1.4142, then is equal to

    (A) 2.4142 (B) 5.8282 (C) 0.4142 (D) 0.1718

    10. Value of (256)0.16 (256)0.09is

    (A) 4 (B) 16 (C) 64 (D) 256.25

    11. Which one of the following is a polynomial?

    (A) (B) (C) x2 + (D)

    12. is a polynomial of degree

    (A) 2 (B) 0 (C) 1 (D)

    13. If p(x) x2 2 x 1, then p 2 is equal to

    (A) 0 (B) 1 (C) 4 (D) 8

    14. x+ 1 is a factor of the polynomial

    (A) x3 + x2 x + 1 (B) x3 + x2 + x + 1

    (C) x4 + x3 + x2 + 1 (D) x4 + 3x3 + 3x2 + x + 1

    15. One of the factors of (25x2 1) + (1 + 5x)2 is

    (A) 5 + x (B) 5 x (C) 5x 1 (D) 10x

    16. State whether the following statements are true or false? Justify your answer.

    (i) is a rational number.

    (ii) There are infinitely many integers between any two integers.

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    (iii) Number of rational numbers between 15 and 18 is finite.

    (iv) There are numbers which cannot be written in the form , q 0 , p,

    q both are integers.

    (v) The square of an irrational number is always rational.

    (vi) is not a rational number as and are not integers.

    (vii) is written in the form , q 0 and so it is a rational number.

    (viii) A binomial can have atmost two terms

    (ix) Every polynomial is a binomial

    (x) A polynomial cannot have more than one zero

    17. Simplify: (3 -5 ) (4 +3 )

    18. By Remainder Theorem find the remainder, when p(x) is divided by g(x), where

    (i) p(x) = x3 2x2 4x 1, g(x) = x + 1

    (ii) p(x) = x3 3x2 + 4x + 50, g(x) = x 3

    (iii) p(x) = 4x3 12x2 + 14x 3, g(x) = 2x 1

    (iv) p(x) = x3 6x2 + 2x 4, g(x) = 1 x

    19. Check whether p(x) is a multiple of g(x) or not:

    (i) p(x) = x3 5x2 + 4x 3, g(x) = x 2

    (ii) p(x) = 2x3 11x2 4x + 5, g(x) = 2x + 1

    20. Show that:

    (i) x+ 3 is a factor of 69 + 11x x2 + x3.

    (ii)2x 3 is a factor of x + 2x3 9x2 + 12.

    21. Locate , and on the number line.

    22. Represent geometrically the following numbers on the number line :

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    (i) (ii) (iii) (iv)

    23. Simplify the following:

    (i) + 4 (ii) +

    24. If = a , find the values of a and b.

    25. (i) Write various aspects of Pythagoras Theorem on a chart paper.

    (ii) Investigate various historical aspects of number pie( )

    ------------------------------------------------

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    INSTRUCTIONS:

    The assignment should be handwritten and should be presented in a neatly bound simple folder;

    The total length of the assignment should not be more than 10-15 written pages of A-4 size

    Support your answer with proper diagrams and graphs (if required) (iv) The assignment should be

    presented in the following order- Cover Page showing title, student information.

    Multiple Choice Questions

    1. A particle is moving in a circular path of radius r. The displacement after half a circle would be:

    (a) Zero (b) r (c) 2r (d) 2 r

    2. A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,

    (a) u/g (b) u2/2g (c) u

    2/g (d) u/2g

    3. The numerical ratio of displacement to distance for a moving object is

    (a) always less than 1 (b) always equal to 1

    (d) always more than 1 (d) equal or less than 1

    4. If the displacement of an object is proportional to square of time, then the object moves with

    (a) uniform velocity (b) uniform acceleration

    (d) increasing acceleration (d) decreasing acceleration

    5. From the given v t graph , it can be inferred that the object is

    (a) in uniform motion

    (b) at rest

    (c) in non-uniform motion

    (d) Moving with uniform acceleration

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    6. Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of 10m/s. It implies that the boy is

    (a) At rest (b) moving with no acceleration

    (c) In accelerated motion (d) Moving with uniform velocity

    7. Area under a v t graph represents a physical quantity which has the unit

    (a) m2 (b) m (c) m

    3 (d)

    ms-1

    8. Four cars A, B, C and D are moving on a levelled road. Their distance versus time graphs are

    shown in Fig. 8.2. Choose the correct statement

    (a) Car A is faster than car D.

    (b) Car B is the slowest.

    (c) Car D is faster than car C.

    (d) Car C is the slowest.

    Fig. 8.2

    9. Which of the following figures (Fig. 8.3) represents uniform motion of a moving object correctly?

    Fig. 8.3

    10. Slope of a velocity time graph gives

    (a) the distance (b) the displacement

    (b) the acceleration (d) the speed

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    11. In which of the following cases of motions, the distance moved and the

    magnitude of displacement are equal?

    (a) If the car is moving on straight road

    (b) If the car is moving in circular path

    (c) The pendulum is moving to and fro

    (d) The earth is revolving around the Sun

    Short Answer Questions

    12. A girl walks along a straight path to drop a letter in the letterbox and comes

    back to her initial position. Her displacementtime graph is shown in Fig.8.4.

    Plot a velocitytime graph for the same.

    Fig. 8.4

    13. A car starts from rest and moves along the x-axis with constant acceleration 5 m s2 for 8 seconds. If it then continues with constant velocity, what distance will the car cover in 12 seconds since it started from the rest?

    14. A motorcyclist drives from A to B with a uniform speed of 30 km h1 and returns

    back with a speed of 20 km h1

    . Find its average speed.

    15. The velocity-time graph (Fig. 8.5) shows the motion of a cyclist. Find (i) its acceleration (ii) its velocity and (iii) the distance covered by the cyclist in 15 seconds.

    16. Draw a velocity versus time graph of a stone thrown

    vertically upwards and then coming downwards after

    attaining the maximum height.

    17. Draw a velocity versus time graph of a stone thrown vertically upwards and then coming downwards after attaining the maximum height. ((Fig. 8.5)

    TIME

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    Long Answer Questions

    19. An object is dropped from rest at a height of 150 m and simultaneously another object is dropped from rest at a height 100 m. What is the difference in their heights after 2 s if both the objects drop with same accelerations? How does the difference in heights vary with time?

    20. An object starting from rest travels 20 m in first 2 s and 160 m in next 4s. What will be the

    velocity after 7 s from the start.

    21.Obtain a relation for the distance travelled by an object moving with a uniform acceleration in the interval between 4th and 5th seconds.

    22. Using following data draw time - displacement graph for a moving object:

    Time (s) 0 2 4 6 8 10 12 14 16

    Displacement (m) 0 2 4 4 4 6 4 2 0

    Use this graph to find average velocity for first 4 s, for next 4 s and for last 6 s.

    PROJECT:

    Please watch a documentary The Amazing World of Gravity (Full Physics Documentary) | Spark (https://www.youtube.com/watch?v=2_p2ELD7npw)and prepare a report on it.

    INSTRUCTIONS:

    1. The project should be handwritten and should be presented in a neatly bound simple folder;

    2. The total length of the project should not be more than 10-15 written pages of A-4 size.

    3. The project should be presented in the following order-

    1. Cover Page & Title Page

    2. Abstract

    3. Table of Contents

    4. Description

    5. References

    ****************************************DO YOUR BEST****************************************

    https://www.youtube.com/watch?v=2_p2ELD7npw

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    CHEMISTRY

    1. Name the process which occurs when a drop of dettol is added to water.

    2. Define density and give S.I. Unit.

    3. Convert the following temperature to Celsius scale:

    a. 300K b. 573K

    4. How does the water kept in earthen pot become cool during summer?

    5. How does evaporation differ from boiling?

    6. Which gas is called dry ice? Why?

    7. Discuss the various factors which affect the rate of evaporation?

    8. What are the characteristics of particles of matter?

    BIOLOGY

    1. Make a project on Animal Husbandry

    - Cattle farming

    - Poultry farming

    - Fish production

    - Bee-keeping

    *make use of scrap book*

    Or

    Draw/paste different types of tissues and write their features.

    2. On A chart paper Draw different cell organelles on a chart paper and write their features.

    3. Prepare Note of chapter Tissue (make it in short points )

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    On the map of India locate and label all the physical divisions of India and

    write about their special feature (at least 10 lines).

    1. Make a Power Point Presentation on Robotics- with different

    functions:

    * PPT should be done based on your chosen Robotics Model.

    * The PPT should be for 15 20 slides:

    * Slide 1- Title of the Project.

    * Slide 2- Index (Content)

    * Slide 3- Introduction of your topic.

    * Slide 4- 18 Should be focused on the different types of Robotics.

    * Slide 19 Advantages & its uses.

    * Slide 20 Thank You (Greetings)

    --Hope your Holidays goes well!

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    : ( A4 |)

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    HOLIDAY HOMEWORK- COMPUTER (Grade IX)

    Assignment Work (Do it in computer notebook with heading Holidays homework.)

    1. Revise and complete question-answer of first two chapters.

    2. Draw an informative chart on

    Components of Computer or

    Types of Hardware or

    Software and its types 3. Visit your nearby computer shop and collect the information related to different

    laptops brand, configuration, features & its prices make a compare list. Also write if

    you have to purchase which Laptop (mention brand also) will you purchase?

    4. Create a list of various application software with their logo. Also write its uses and

    file extension.

    Project Work

    1. Create a PowerPoint Presentation on Software and its types.

    2. Create an eBook using Microsoft Word on topic Computer Fundamentals. It must

    be of 8 to 10 pages with a good cover page, decent page colour, header and footer.

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    1. What was the reasons behind French Revolution, why ordinary French people revolt against their own King ?

    2. Do you think religion play important role in French Revolution, if yes/ No than how, explain?

    3. What was consequence (result) of French revolution after historical revolt ?

    Note Your answer should be in English language on A4 Sheets or in French Notecopy.