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8 July, 14:58

Julia wants to find out which color fabric will heat up the fastest when put under a direct light.

So, she places pieces of red, white, and green fabrics outside in the sunlight. Then, she places pieces of black, yellow, and blue fabric inside under a bright lamp. Finally, she measures the temperature of all the fabric samples every 5 minutes.

Will Julia's results be valid?

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Answers (2)
  1. 8 July, 17:05
    0
    Yes. the result will be valid because it is a testable purpose.
  2. 8 July, 18:39
    0
    No because the fabrics are being heated in two completely different enviroments.
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