Science

8th

grade

Image

some natural phenomena

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12 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    An electroscope is a device which is used to find if an object is

    charged

    magnetic

    free of cracks

    Hot

  • 2. Multiple Choice
    30 seconds
    1 pt

    When a glass rod is rubbed with a piece of silk cloth the rod

    becomes positively charged while the cloth has a negative charge.

    and the cloth both acquire positive charge.

    and the cloth both acquire negative charge.

    becomes negatively charged while the cloth has a positive charge.

  • 3. Multiple Choice
    30 seconds
    1 pt

    The movement of the earth’s plates causes

    Cyclones

    Lightning

    Earthquake

    Thunderstorm

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