Review For Test #1

19 Questions | Total Attempts: 154

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Chemistry Quizzes & Trivia

Review and practice for your Chemistry Test #1. If you miss something, include the information in your notes to help you remember.


Questions and Answers
  • 1. 
    Why did scientist agree to use the SI measurement units worldwide instead of the units common at each of their own locations?
  • 2. 
    Whichof the following words isclosest in meaning to the word concept?
    • A. 

      Plan

    • B. 

      Question

    • C. 

      Idea

    • D. 

      Solution

  • 3. 
    In the sentence, "Scientists include both constant and changing parameters in their experiments," what doe the word parameter mean?
    • A. 

      Rules, limits or boundaries

    • B. 

      Value used to dfine something

    • C. 

      Environment of surroundings

    • D. 

      Procedure in an experiment

  • 4. 
    What is the first step you should take if someone is cut with broken glass during an experiment?
    • A. 

      Apply first aid

    • B. 

      Clean up the class

    • C. 

      Complete the experiment

    • D. 

      Make sure you are safe

  • 5. 
    What tool might a scientist use for an experiment about the mass of objects?
    • A. 

      Graduated cylinder

    • B. 

      Celcius thermometer

    • C. 

      Electronic scale

    • D. 

      Meterstick

  • 6. 
    Which of the following should be avoided in the area where an experiment is taking place?
    • A. 

      Tying long hair back in a ponytail

    • B. 

      Keeping information from previous experiments on the work area

    • C. 

      Wearing safety goggles that fit snugly over your eyes

    • D. 

      Wearing heat-resistant gloves if an open flame is used

  • 7. 
    What is the density of an object with a mass of 100.8 g and a volume of 144 cm3?
    • A. 

      700 g/cm3

    • B. 

      70 g/cm3

    • C. 

      7 g/cm3

    • D. 

      0.7 g/cm3

  • 8. 
    What is the density of an object with a mass of 89.5 g and a volume of 75.1 mL?
    • A. 

      1.0 g/mL

    • B. 

      1.19 g/mL

    • C. 

      2.19 g/mL

    • D. 

      6721.45 g/mL

  • 9. 
    When a prefix is put in front of a base unit in the metric system, what does the prefix do to the base unit?
  • 10. 
    What does the prefix "c" mean in the metric system?
  • 11. 
    How many mm long is a line that measures 18 cm?
  • 12. 
    Convert:    23.98 hm into _____________ mm
  • 13. 
    Convert: 72.9 g into _____________kg
  • 14. 
    What unit do we use to measure the speed of a bicycle?
  • 15. 
    Measurements that have good accuracy and good precision are called ________________ by scientists.
  • 16. 
    A __________ is a way to represent an object or a system to help us understand somehing that is not familiar to us.
  • 17. 
    In science, a ____________ is an explanation that combines many hypotheses and observations. (e.g. gravity)
  • 18. 
    Only when a model correctly predicts the results of many different experiements can a ______ be constructed to summarize results and obervations of many experiements. It tells how things work.
  • 19. 
    In science, measuring the L x W x H helps you find the _____________ of an object.
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