Science For 7-8 Year Olds

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  • 1/5 Questions

    Which of these does not conduct electricity?

    • Iron
    • Copper
    • Wood
    • Silver
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About This Quiz

It’s never too early to learn about the wonders of science, and in this quiz geared for children around seven years old, we’ll be running through some basic questions that will give your child a great foundation of scientific knowledge.

Science For 7-8 Year Olds - Quiz

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  • 2. 

    Which is harder than the other?

    • Gold is harder than iron

    • Iron is harder than gold

    Correct Answer
    A. Iron is harder than gold
    Explanation
    In terms of hardness, iron is generally considered harder than gold. Hardness is a measure of a material's resistance to scratching or indentation. Iron has a higher hardness rating on the Mohs scale compared to gold. Iron's hardness is attributed to its crystal structure and the presence of carbon impurities, which make it more resistant to deformation. Gold, on the other hand, is a relatively soft metal and can be easily scratched or dented. Therefore, iron is harder than gold.

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  • 3. 

    What is 0 degrees Centigrade in Fahrenheit?

    • 100 degrees Fahrenheit

    • 32 degrees Fahrenheit

    • 1 degree Fahrenheit

    • Minus 10 degrees Fahrenheit

    Correct Answer
    A. 32 degrees Fahrenheit
    Explanation
    0 degrees Centigrade is equivalent to 32 degrees Fahrenheit. This is because the freezing point of water is 0 degrees Centigrade and 32 degrees Fahrenheit. The two temperature scales have different starting points and different intervals, but they intersect at this specific temperature.

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  • 4. 

    Which is NOT a name of a cloud?

    • Nimbus

    • Cumulus

    • Cirrus

    • Columbus

    Correct Answer
    A. Columbus
    Explanation
    The name "Columbus" does not correspond to any type of cloud. Nimbus, Cumulus, and Cirrus are all actual cloud names used to describe different types of clouds. However, "Columbus" does not fit into this category and is not recognized as a cloud name.

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  • 5. 

    Two magnets that are held close repel each other if the poles facing each other are:

    • Positive and positive

    • Negative and negative

    • Either answer A or B are correct

    • Negative and positive

    • None of the above are correct

    Correct Answer
    A. Either answer A or B are correct
    Explanation
    The explanation for the given answer is that two magnets held close to each other will repel each other if the poles facing each other are either positive and positive or negative and negative. This is because like poles repel each other, while opposite poles attract. Therefore, if the poles facing each other are the same (either positive or negative), the magnets will repel each other.

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  • Current Version
  • Oct 21, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 18, 2009
    Quiz Created by
    Tpp
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