Science 8: Benchmark III-part 1 (50)

50 Questions | Total Attempts: 202

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Science Benchmark Quizzes & Trivia

Review chemical bonding, periodic table, and elements.


Questions and Answers
  • 1. 
    Which "group" on the periodic table is the most reactive?
    • A. 

      18

    • B. 

      1

    • C. 

      17

    • D. 

      7

  • 2. 
    What is it called when a neutral atom loses or gains an electron?
    • A. 

      Isotope

    • B. 

      Ion

    • C. 

      Atom

    • D. 

      Compound

  • 3. 
    Which of the following is a covalent bond? Remember covalent must be a nonmetal + nonmetal or a metal + metal together, shares
    • A. 

      KCl

    • B. 

      N2

    • C. 

      CO2

    • D. 

      Ca2O

  • 4. 
    What are two types of chemical bonding?
    • A. 

      Polar and nonpolar

    • B. 

      Ionic and covalent

    • C. 

      Subscript and coefficient

    • D. 

      Negative and positive

  • 5. 
    Is this a balanced or unbalanced formula, Cl2 +2Na -> 2NaCl?
    • A. 

      Maybe

    • B. 

      Yes

    • C. 

      No

  • 6. 
    What is the right side of the the chemical equation called?
    • A. 

      Reactant

    • B. 

      Product

    • C. 

      Coefficient

    • D. 

      Subscript

  • 7. 
    What is an example of a physical change?
    • A. 

      Burning wood

    • B. 

      Tearing paper

    • C. 

      Tarnishing

    • D. 

      Rusting

  • 8. 
    What is an example of a physical change?
    • A. 

      Ice melting

    • B. 

      Tarnishing

    • C. 

      Digesting food

    • D. 

      Bread baking

  • 9. 
    What is the type of nuclear reaction the releases energy or splits the nucleus?
    • A. 

      Fusion

    • B. 

      Fission

    • C. 

      Energy

    • D. 

      Breaking apart

  • 10. 
    What is the substance called to the left of the arrow in a chemical equation?
    • A. 

      Product

    • B. 

      Reactant

    • C. 

      Formula

    • D. 

      Equation

  • 11. 
    What does the Law of Conservation of Matter state?
    • A. 

      Matter can be destroyed, but not reproduced.

    • B. 

      Matter can neither be created nor destroyed in a chemical reaction

    • C. 

      Matter can be created.

    • D. 

      Matter can be created and destroyed in a chemical reaction.

  • 12. 
    What does an object's in "motion" depend upon?
    • A. 

      Velocity

    • B. 

      Mass

    • C. 

      Mass and velocity

    • D. 

      Volume

  • 13. 
    What is the pH of pure water ?
    • A. 

      1

    • B. 

      14

    • C. 

      7

    • D. 

      4

  • 14. 
    What is an "orderly arrangement" of molecules found in a solid as a diamond or ice?
    • A. 

      Element

    • B. 

      Atom

    • C. 

      Crystal

    • D. 

      Compound

  • 15. 
    How many of each element does rubbing alcohol, C3H7OH, contain?
    • A. 

      C=3 H=7 O=1

    • B. 

      C=1 H=2 O=1

    • C. 

      C=3 H=8 O=1

    • D. 

      C=10 H=1 O=1

  • 16. 
    What does a spring scale measure?
    • A. 

      Inertia

    • B. 

      Force

    • C. 

      Work

    • D. 

      Motion

  • 17. 
    What is the temperature when there is no molecular motion?
    • A. 

      0 degrees Celsius

    • B. 

      273 degree Kelvin

    • C. 

      Absolute zero

    • D. 

      32 degrees Fahrenheit

  • 18. 
    Which changes on the moon, your weight or mass?
    • A. 

      Mass

    • B. 

      Weight

    • C. 

      Weight and mass

    • D. 

      Neither

  • 19. 
    What would be the best unit of measurement to use when measuring a pencil in science?
    • A. 

      Inches

    • B. 

      Centimeter

    • C. 

      Milligram

    • D. 

      Kilometer

  • 20. 
    Which of the following is a compound?
    • A. 

      N2

    • B. 

      Cl2

    • C. 

      H2O

    • D. 

      He

  • 21. 
    What does the neutralization process make when an acid and base combines?
    • A. 

      Acid

    • B. 

      Base

    • C. 

      Salt and water

    • D. 

      Gas

  • 22. 
    What direction does heat move?
    • A. 

      From lower temperature to higher temperature

    • B. 

      From higher temperature to lower temperature

    • C. 

      Slowly absorbs

    • D. 

      Slowly decreases from lower to higher

  • 23. 
    How does salt melt ice on a sidewalk?
    • A. 

      Salt makes the water evaporate

    • B. 

      Salt heats up when the sun shines on it

    • C. 

      Salt raises temperature above 0 degrees Celsius

    • D. 

      Salt lowers the freezing point of water below 0 degrees Celsius

  • 24. 
    What is it called when liquid changes to a solid?
    • A. 

      Condensation

    • B. 

      Evaporation

    • C. 

      Boiling

    • D. 

      Freezing

  • 25. 
    What is the amount of work done in a period amount of time?
    • A. 

      Power

    • B. 

      Force

    • C. 

      Motion

    • D. 

      Velocity

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