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    Chapter 4 Motions of The Earth

    Uploaded by

    Neha Taneja

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    © All Rights Reserved
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    Chapter 4 Motions of The Earth

    Uploaded by

    Neha Taneja
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    Chapter 4 Motions of the Earth

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    6 views2 pages

    Chapter 4 Motions of The Earth

    Uploaded by

    Neha Taneja

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 2

    Chapter 4 Motions of the Earth

    Worksheet 4
    A. Match the following:

    1. Winter Solstice (a) Noon


    2. Revolution (b) 21st June
    3. Summer Solstice (c) Day & Night
    4. Midday (d) 22nd December
    5. Early Morning (e) Seasons
    6. Rotation (f) Dawn

    B. Fill in the blanks:


    1. The earth takes about ____________ to complete one rotation around its axis.
    2. On 21 June, the ___________ Hemisphere is inclined towards the Sun.
    3. The year in which February has 29 days is called a _________ year.
    4. The orbit of the Earth is ___________ in shape.
    5. The Autumnal Equinox occurs on ___________ .
    6. On _______________ and _______________ direct rays of the Sun fall on the
    Equator.

    C. Tick the correct option:


    1. The movement of the Earth on its axis is called
    (a) rotation
    (b) revolution
    (c) season
    (d) equinox
    2. During summer the poles have continuous daylight for
    (a) 6 months
    (b) 3 months
    (c) 1 months
    (d) 2 months
    3. The earth completes one revolution in
    (a) 366 days
    (b) 370 days
    (c) 365 1/4 days
    (d) 366 1/4 days
    4. The Earth rotates on its axis from
    (a) north to south
    (b) east to west
    (c) west to east
    (d) south to north
    5. Solstices in every year are
    (a) 2
    (b) 3
    (c) 5
    (d) 4

    D. Distinguish between :

    Winter Solstice Summer Solstice

    E. Answer the following :


    1. How long does it take the earth to complete one rotation around its axis?
    ___________________________________________________________________________

    2. What is circle of illumination?


    ___________________________________________________________________________________
    ___________________________________________________________________________________

    3. Why do people in Australia celebrate Christmas in the summer season?


    ____________________________________________________________________________
    ____________________________________________________________________________

    4. Why do the poles experience about six months of day and night?
    ____________________________________________________________________________
    ____________________________________________________________________________
    ____________________________________________________________________________
    ____________________________________________________________________________

    5. Explain the ‘cycle of seasons’ with the help of a diagram.


    ____________________________________________________________________________
    ____________________________________________________________________________
    ____________________________________________________________________________
    ____________________________________________________________________________
    ____________________________________________________________________________
    ____________________________________________________________________________

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