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    WS14

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    begadang sampaimalam
    The document is a worksheet for a 4th grade science class about the Earth's structure and movements. It contains 3 questions: 1. It asks the student to label a diagram of the Earth's internal layers - the crust, mantle, outer core, and inner core. 2. It asks the student to complete sentences explaining how volcanoes work by erupting lava and ash from the mantle through the crust. 3. It asks the student to complete sentences about how earthquakes happen when the crust suddenly moves, creating energy waves, and to list types of earthquake damage. It asks which area has the most earthquakes, explaining it is along the Pacific Ocean due to tect

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    WS14

    Uploaded by

    begadang sampaimalam
    18 views3 pages
    The document is a worksheet for a 4th grade science class about the Earth's structure and movements. It contains 3 questions: 1. It asks the student to label a diagram of the Earth's internal layers - the crust, mantle, outer core, and inner core. 2. It asks the student to complete sentences explaining how volcanoes work by erupting lava and ash from the mantle through the crust. 3. It asks the student to complete sentences about how earthquakes happen when the crust suddenly moves, creating energy waves, and to list types of earthquake damage. It asks which area has the most earthquakes, explaining it is along the Pacific Ocean due to tect

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    The document is a worksheet for a 4th grade science class about the Earth's structure and movements. It contains 3 questions: 1. It asks the student to label a diagram of the Earth's internal layers - the crust, mantle, outer core, and inner core. 2. It asks the student to complete sentences explaining how volcanoes work by erupting lava and ash from the mantle through the crust. 3. It asks the student to complete sentences about how earthquakes happen when the crust suddenly moves, creating energy waves, and to list types of earthquake damage. It asks which area has the most earthquakes, explaining it is along the Pacific Ocean due to tect

    Copyright:

    © All Rights Reserved
    Download as PPTX, PDF, TXT or read online from Scribd
    Download as pptx, pdf, or txt
    18 views3 pages

    WS14

    Uploaded by

    begadang sampaimalam
    The document is a worksheet for a 4th grade science class about the Earth's structure and movements. It contains 3 questions: 1. It asks the student to label a diagram of the Earth's internal layers - the crust, mantle, outer core, and inner core. 2. It asks the student to complete sentences explaining how volcanoes work by erupting lava and ash from the mantle through the crust. 3. It asks the student to complete sentences about how earthquakes happen when the crust suddenly moves, creating energy waves, and to list types of earthquake damage. It asks which area has the most earthquakes, explaining it is along the Pacific Ocean due to tect

    Copyright:

    © All Rights Reserved
    Download as PPTX, PDF, TXT or read online from Scribd
    Download as pptx, pdf, or txt
    of 3

    25

    C.N.: 24 Name: Alika Class: 4: Surabaya Date: 25\04\2022

    EARTH AND ITS MOVEMENT


    Worksheet No. 14
    Term 4

    1. Emily learned that the Earth is made up of different layers.

    (a) Help Emily circle the correct word that will make the statement correct.

    The core / mantle is the thickest layer of the Earth.

    The inner core / outer core is the only liquid layer of the Earth and is
    responsible for creating a magnetic field around the planet.

    The core / crust is mostly made up of plateaus, mountains, and sea-


    beds.

    The sea floor is part of the hydrosphere / lithosphere.

    The crust / mantle is the thinnest layer of the Earth.

    The inner core / outer core is made of solid iron and


    nickel (metals).

    1
    Science 4 Worksheet
    (b) Complete the diagram of the internal structure of the Earth by labelling
    the layers.

    Crust

    Mantle
    Inner Core

    Outer Core

    [10]

    2. Gabriel saw on television that the Tango volcano (underwater


    volcano) erupted.

    (a) Help him educate the people about volcanoes by completing the
    sentences below. Use the words inside the box.
    hot ash erupts composite

    mantle black lava crust

    erupts magma from the …………………


    When a volcano ………………….., mantle comes to the
    crust
    surface through a crack in the ……………….……… When magma reaches the
    lava ash
    surface it is called……………………… Sometimes lava and ………………..… come
    black
    out of the volcano. These materials build up to form …………………. shaped
    composite
    mountain called a …………………..…… volcano.

    2
    Science 4 Worksheet
    3. You have learned that the Earth is made of huge pieces of flat rocks. When these
    rocks meet, they rub together. Jakarta experienced Earth’s activity last January
    2022.

    (a) Complete these sentences, which explain how earthquakes happen. Use
    the words in the box.

    waves crust movement energy

    movement
    An earthquake happens when there is a sudden ………………… of rocks in
    energy
    the Earth’s crust. This creates a huge amount of ……………………………… The
    waves
    energy transfers into ……………………………. The waves travel through the
    crust
    Earth’s ……………………. to the surface.

    (b) List three types of damage that result from earthquakes.


    1. Destruction of buildings.
    ……………………………………………………………………………………………………………….
    2. Drowning due to tsunami.
    ……………………………………………………………………………………………………………….
    3. Large amounts of debris.
    ……………………………………………………………………………………………………………….

    (c) Which part of the world has the most earthquakes? Why?
    Along the Pacific Ocean. Because there are so many active
    ……………………………………………………………………………………………………………….
    volcanoes that make some amount of movement of the
    ……………………………………………………………………………………………………………….
    tectonic plates in the area.
    ………………………………………………………………………………………………………………..

    [15]

    Parent’s Signature: ..................................


    Date: .................................

    3
    Science 4 Worksheet

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