Chemistry Of Life Warm Up 2

26 Questions | Total Attempts: 51

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Chemistry Of Life Warm Up 2

Welcome to the Electronic Learning Environment of Life Science (biology). All living organisms use energy in some form. It is the transfer of energy from the sun to and through almost every organism on Earth. We are biologists seek to understand this flow of energy. This warm up permits an unlimited number of attempts to aid you in building LEARNING and TEST-TAKING skills. As a bonus, each attempt will randomly generate new questions and answers.


Questions and Answers
  • 1. 
    What phases are shown in the three images below?
    • A. 

      Image 1 is gas, image 2 is liquid, and image 3 is solid.

    • B. 

      Image 1 is liquid, image 2 is solid, and image 3 is gas.

    • C. 

      Image 1 is solid, image 2 is gas, and image 3 is liquid.

    • D. 

      Image 1 is gas, image 2 is solid, and image 3 is liquid.

  • 2. 
    What is the phase of water when its temperature is 150°C?
    • A. 

      Solid

    • B. 

      Liquid

    • C. 

      Gas

    • D. 

      None of the above

  • 3. 
    An unopened bottle of water is taken out of the refrigerator and placed on a table. After a while, the bottle is covered with droplets of water. What phase change has occurred?
    • A. 

      Melting

    • B. 

      Freezing

    • C. 

      Boiling

    • D. 

      Condensation

  • 4. 
    Molten lava pours from a volcano in Hawaii. After a few hours, the liquid lava hardens into a shiny gray rock. Which phase change has taken place?
    • A. 

      Melting

    • B. 

      Freezing

    • C. 

      Boiling

    • D. 

      Condensation

  • 5. 
    If I burn butane in air, water and carbon dioxide are produced.Which statement is true?
    • A. 

      Water and carbon dioxide are the PRODUCTS

    • B. 

      Water and carbon dioxide are the REACTANTS

    • C. 

      Water and carbon dioxide are the REACTION

  • 6. 
    Which of the following are odourless, colourless gases at ROOM TEMPERATURE?
    • A. 

      Water, oxygen and carbon dioxide

    • B. 

      Oxygen and carbon dioxide

    • C. 

      Sulphur and oxygen

  • 7. 
    If I burn butane in air, water and carbon dioxide are produced.Which statement is true?
    • A. 

      Water and carbon dioxide are the PRODUCTS

    • B. 

      Water and carbon dioxide are the REACTANTS

    • C. 

      Water and carbon dioxide are the REACTION

  • 8. 
    Which of the following are odourless, colourless gases at ROOM TEMPERATURE?
    • A. 

      Water, oxygen and carbon dioxide

    • B. 

      Oxygen and carbon dioxide

    • C. 

      Sulphur and oxygen

  • 9. 
    If I burn butane in air, water and carbon dioxide are produced.Which statement is true?
    • A. 

      Water and carbon dioxide are the PRODUCTS

    • B. 

      Water and carbon dioxide are the REACTANTS

    • C. 

      Water and carbon dioxide are the REACTION

  • 10. 
    If I burn butane in air, water and carbon dioxide are produced.Which statement is true?
    • A. 

      Water and carbon dioxide are the PRODUCTS

    • B. 

      Water and carbon dioxide are the REACTANTS

    • C. 

      Water and carbon dioxide are the REACTION

  • 11. 
    Which of the following are odourless, colourless gases at ROOM TEMPERATURE?
    • A. 

      Water, oxygen and carbon dioxide

    • B. 

      Oxygen and carbon dioxide

    • C. 

      Sulphur and oxygen

  • 12. 
    After you have enter a meal, your body changes the chemical energy bound in the the food into _____, _____, and _____ energy. (NOTE: Please choose three of the most correct answers from the list.)
    • A. 

      Heat

    • B. 

      Mechanical

    • C. 

      Nuclear

    • D. 

      Light

    • E. 

      Sound

    • F. 

      Potential

  • 13. 
    It is not always apparent when we observe matter, all the atoms, ions, compounds, and molecules are in constant motion.
    • A. 

      True

    • B. 

      False

  • 14. 
    _____ energy must be added to the substance to cause a substance to change states. (NOTE: Please observe grammar rules.)
  • 15. 
    The energy your body needs is provided by the _____, _____, and _____ found in foods. (NOTE: Please select three of the most correct answers.)
    • A. 

      Fats

    • B. 

      Sugars

    • C. 

      Proteins

    • D. 

      Acids

    • E. 

      Salts

    • F. 

      Nucleic Acids

  • 16. 
    _____ energy is the minimum amount of energy required to start a chemical reaction. (NOTE: Please observe correct grammar rules.)
  • 17. 
    Metabolism is the term used to describe a few of the chemical reactions that occur in an organism.
    • A. 

      True

    • B. 

      False

  • 18. 
    _____ is a substance that changes the rate of a chemical reaction without being consumed or changed during the reaction. (NOTE: Please observe correct grammar rules.)
  • 19. 
    When a reactant loses one or more electrons, thus becoming more positive in charge is called a(n) _____ _____.
    • A. 

      Oxidation Reaction

    • B. 

      Activation Reaction

    • C. 

      Catalyst Reaction

    • D. 

      Reduction Reaction

    • E. 

      Thermal Reaction

  • 20. 
    When a reactant gain one or more electrons, thus becoming more positive in charge is called a(n) _____ _____.
    • A. 

      Oxidation Reaction

    • B. 

      Activation Reaction

    • C. 

      Catalyst Reaction

    • D. 

      Reduction Reaction

    • E. 

      Thermal Reaction

  • 21. 
    An enzyme is a _____ or _____ molecule that speeds up metabolic reaction without being permanently changed or destroyed. (NOTE: Please choose any two of the most correct answers.)
    • A. 

      Protein

    • B. 

      RNA

    • C. 

      DNA

    • D. 

      MRNA

    • E. 

      TRNA

  • 22. 
    A _____ maintains a fixed volume, but has the ability to take the shape of it's container.
    • A. 

      Gas

    • B. 

      Liquid

    • C. 

      Solid

    • D. 

      Plasma

    • E. 

      Particles

  • 23. 
    Gas particles have little or no attraction to each other, so they can fill the volume of the container they occupy.
    • A. 

      True

    • B. 

      False

  • 24. 
    A(n) _____ maintains a fixed volume and shape.
    • A. 

      Gas

    • B. 

      Liquid

    • C. 

      Solid

    • D. 

      Plasma

    • E. 

      Products

  • 25. 
    Which of the following are odorless, colourless gases at ROOM TEMPERATURE?
    • A. 

      Water, oxygen and carbon dioxide

    • B. 

      Oxygen and carbon dioxide

    • C. 

      Sulfur and oxygen

    • D. 

      Carbon and fluorine

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