Physical Science Review

13 Questions
Physical Science Review

This quiz is a review of concepts learned in the Physical Science Unit

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Questions and Answers
  • 1. 
    Which of the following is an example of a compound?
    • A. 

      Salt water

    • B. 

      Water

    • C. 

      Steel

    • D. 

      Copper

    • E. 

      Oxygen gas

  • 2. 
    Which of the following changes is a chemical change?
    • A. 

      The metal pan heating up

    • B. 

      The balloon expanding

    • C. 

      The ice melting

    • D. 

      The candle wick burning

  • 3. 
    A metal spoon was left in a pot of boiling soup.  The cook burned a finger by touching the spoon.  Why did the finger get burned?
    • A. 

      The metal spoon chemically reacted the cook's hand.

    • B. 

      The metal spoon conducted electricity to the cook's hand.

    • C. 

      The metal spoon conducted heat to the cook's hand.

    • D. 

      The metal spoon insulated the cook's hand.

  • 4. 
    Calcium, carbon, and oxygen can combine to form calcium carbonate, or chalk.  Which of the following words best describes chalk?
    • A. 

      Mixture

    • B. 

      Compound

    • C. 

      Element

    • D. 

      Atom

  • 5. 
    Which of the following is a physical change?
    • A. 

      An egg frying

    • B. 

      Bread baking in the oven

    • C. 

      A match burning

    • D. 

      A pond freezing in the winter

  • 6. 
    An alloy is a mixture of two or more metals.  For example, sterling silver is a mixture of silver and copper.  Which of the following is also an alloy?
    • A. 

      Aluminum

    • B. 

      Lead

    • C. 

      Gold

    • D. 

      Brass

  • 7. 
    As part of a science project, Tony combines the elements sodium (Na) with chlorine (Cl) to produce table salt (NaCl).  This is an example of what kind of change?
    • A. 

      Material

    • B. 

      Physical

    • C. 

      Chemical

    • D. 

      Thermal

  • 8. 
    Water results from the combination of two hydrogen atoms and  one oxygen atom.  Which of the following best describes water?
    • A. 

      Water is an element.

    • B. 

      Water is a mixture.

    • C. 

      Water is an atom.

    • D. 

      Water is a molecule.

  • 9. 
    If an element has a gray luster and can be drawn into wire, it is probably a (an) --
    • A. 

      Nonmetal

    • B. 

      Gas

    • C. 

      Metal

    • D. 

      Alloy

  • 10. 
    What is the term for the smallest particle of a compound that still has all the chemical properties of that compound?
    • A. 

      Cell

    • B. 

      Atom

    • C. 

      Element

    • D. 

      Molecule

  • 11. 
    Which of the following materials best conducts electricity?
    • A. 

      Wood

    • B. 

      Rubber

    • C. 

      Copper

    • D. 

      Plastic

  • 12. 
    According to the Periodic Table of Elements, which of the following elements has a higher atomic number than cobalt (Co)?Click Hereto view Periodic Table of Elements, needed to answer this question
    • A. 

      Hydrogen (H)

    • B. 

      Sodium (Na)

    • C. 

      Calcium (Ca)

    • D. 

      Copper (Cu)

  • 13. 
    • A. 

      The new substance cannot be a compound

    • B. 

      The new substance cannot be an element

    • C. 

      The new substance has undergone a chemical change

    • D. 

      The new substance has undergone a physical change