Double-Walled Water Bottles
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Questions and Answers

What is the key feature of high-performing bottles mentioned in the text?

  • They keep ice from melting for over 24 hours and drinks hot for 12 hours (correct)
  • They are inexpensive
  • They are made of breakable glass
  • They are designed with single walls

    • What is the purpose of the vacuum between the 2 walls in the bottles?

  • To increase the weight of the bottles
  • To keep liquids cold or hot (correct)
  • To prevent the bottles from breaking
  • To allow gas particles to move freely

    • Who designed the first vacuum-insulated bottle?

  • Alexander Graham Bell
  • James Dewar (correct)
  • Isaac Newton
  • Thomas Edison

    • What were the early glass containers for drinks like?

    <p>Breakable</p> Signup and view all the answers

    What is the result of over 100 years of scientific research and engineering?

    <p>The new vacuum-insulated bottles available today</p> Signup and view all the answers

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