Grade 6 Online Science Quiz Chapter: Electricity And Circuits

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| By Sahiba Angel
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Sahiba Angel
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  • 1/5 Questions

    Who invented the light bulb?

    • Thomas Jefferson
    • Thomas Edison
    • Albert Einstein
    • Benjamin Franklin
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About This Quiz

Explore the fundamentals of electricity and circuits with our Grade 6 Science Quiz. Covering key topics like the invention of the light bulb by Thomas Edison in 1879, the use of argon in bulbs, and the benefits of energy-efficient lighting, this quiz enhances understanding of electrical innovations and their practical applications.

Grade 6 Online Science Quiz Chapter: Electricity And Circuits - Quiz

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  • 2. 

    Why is tungsten a good metal to use for the light bulb filament?  

    • Its high melting point

    • Its flexibility

    • Its low cost

    • None of these

    Correct Answer
    A. Its high melting point
    Explanation
    Tungsten is a good metal to use for the light bulb filament because of its high melting point. The filament in a light bulb needs to reach extremely high temperatures in order to produce light. Tungsten has one of the highest melting points of all metals, allowing it to withstand the intense heat generated by the electric current passing through it. This makes tungsten an ideal choice for light bulb filaments as it can maintain its structural integrity and continue to emit light for a longer period of time compared to other metals.

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  • 3. 

    Which gas is filled inside an electric bulb?

    • Oxygen

    • Carbon dioxide

    • Argon

    • Sulfur

    Correct Answer
    A. Argon
    Explanation
    Argon is filled inside an electric bulb. Argon is an inert gas that is commonly used in incandescent light bulbs. It helps to prevent the filament from oxidizing and burning out quickly. Argon also helps to improve the overall efficiency and lifespan of the bulb.

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  • 4. 

    Ammy’s mother is replacing an old light bulb. The new light bulb uses less energy. Why is this a good thing?

    • The new light bulb will cost less to run

    • The new light bulb is a funny shape

    • The new light bulb is a brighter colour

    • The new light bulb will use more energy

    Correct Answer
    A. The new light bulb will cost less to run
    Explanation
    The new light bulb will cost less to run because it uses less energy. This means that Ammy's mother will have to pay less for electricity bills, resulting in cost savings. Additionally, using less energy is also beneficial for the environment as it reduces overall energy consumption and carbon emissions.

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  • 5. 

    When was the light bulb invented?

    • 1859

    • 1869

    • 1879

    • 1889

    Correct Answer
    A. 1879
    Explanation
    The light bulb was invented in 1879.

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Quiz Review Timeline (Updated): Mar 25, 2025 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 25, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • May 10, 2020
    Quiz Created by
    Sahiba Angel
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