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  1. Convert 85.0 ft to meters.
    1 inch = 2.54 cm (exactly)
    Enter the value with the appropriate number of significant figures. ⓘ



  2. What is the freezing point of water, expressed in Kelvins?
    Include at least 3 significant figures in your answer. ⓘ




  3. Enter the correct word or phrase:
     because it is based on observations and experiments.


  4. Elements in the periodic table have been named in honor of
    Select all of the correct answers:







  5. Enter the correct word or phrase:
     



  6. Enter the correct word or phrase:
     is a well-tested comprehensive explanation for a particular aspect of nature.


  7. The macroscopic domain of chemistry
    Select only the best answer:






  8. In the scientific method, a tentative explanation for a set of observations that can be subjected to experimental tests is called a
    Select only the best answer:






  9. Charcoal is essentially pure carbon made by burning wood slowly in the presence of very little air. If wood is 48.3% carbon by mass, how much wood is required to produce 650 kg of charcoal?
    Enter the value with the appropriate number of significant figures. ⓘ



  10. Which of the following is the first step of the Scientific Method?
    Select only the best answer:






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