Matter And Energy Unit Test 2.0

13 Questions | Total Attempts: 81

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Matter And Energy Unit Test 2.0

Questions and Answers
  • 1. 
    The tiny particles that make up all matter are called
    • A. 

      Genes

    • B. 

      Atoms

    • C. 

      Minerals

    • D. 

      Cells

  • 2. 
     Which model is used by scientists to determine the properties of elements?
    • A. 

      A Punnett square

    • B. 

      The Periodic Table

    • C. 

      A pedigree chart

    • D. 

      The rock cycle

  • 3. 
    Some common substances and their chemical formulas are listed in the chart below. Which of these substances are elements?
    • A. 

      Hydrochloric acid and carbonic acid

    • B. 

      Carbon dioxide and water

    • C. 

      Oxygen and water

    • D. 

      Helium and oxygen

  • 4. 
    Which statement is true about the charges assigned to an electron and a proton?
    • A. 

      Both an electron and a proton are positive

    • B. 

      An electron is positive and a proton is negative

    • C. 

      An electron is negative and a proton is positive

    • D. 

      Both an electron and a proton are negative

  • 5. 
     The elements on the Periodic Table are arranged in order of increasing
    • A. 

      Atomic number

    • B. 

      Mass number

    • C. 

      Number of isotopes

    • D. 

      Number of moles

  • 6. 
     The diagram below shows the geometric structure of a molecule of water (H2O).  What do the symbols    and    represent in the model?
    • A. 

      Genetic material

    • B. 

      Chemical bonds

    • C. 

      Cells

    • D. 

      Atoms

  • 7. 
     The table below shows the chemical symbols for some common elements. Based on the information in the table, which of the four substance below is a compound?   
    • A. 

      CO

    • B. 

      Si

    • C. 

      Fe

    • D. 

      He

  • 8. 
    Which diagram best represents molecules of matter in the solid phase?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 9. 
     Which substance is usually found in nature as a liquid, solid, and gas?
    • A. 

      Water

    • B. 

      Rock

    • C. 

      Metal

    • D. 

      Glass

  • 10. 
    A wet shirt is put on a clothesline to dry on a sunny day. The shirt dries because water molecules
    • A. 

      Gain heat energy and condense

    • B. 

      Gain heat energy and evaporate

    • C. 

      Lose heat energy and condense

    • D. 

      Lose heat energy and evaporate

  • 11. 
     Which graph correctly shows the effect of heat energy on the motion of molecules of matter?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 12. 
    Which observation would be evidence that the water is undergoing a phase change?
    • A. 

      Waves form on the top of the pond.

    • B. 

      Water soaks into the wet sand.

    • C. 

      The water splashes out of the swimming pool.

    • D. 

      The water level in the glass of water decreases.

  • 13. 
    How is heat energy transferred within the liquid water in the pond?
    • A. 

      Compound formation

    • B. 

      Convection currents

    • C. 

      Chemical reactions

    • D. 

      Nuclear reactions

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