Clintondale Physical Science Exam Review

48 Questions | Total Attempts: 23

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Physical Science Quizzes & Trivia

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Questions and Answers
  • 1. 
    Which of the following is NOT a branch of natural science?
    • A. 

      Life science

    • B. 

      Earth and space sciences

    • C. 

      Physical science

    • D. 

      Social science

  • 2. 
    Step of the In which step of the scientific method is information obtained through the senses?
    • A. 

      Drawing conclusions

    • B. 

      Making observations

    • C. 

      Analyzing data

    • D. 

      Revising a hypothesis

  • 3. 
    What is a physical or mental representation of an object or an event?
    • A. 

      A theory

    • B. 

      A hypothesis

    • C. 

      A model

    • D. 

      A scientific law

  • 4. 
    How is 0.00025 written in scientific notation?
    • A. 

      25 x 10-5

    • B. 

      2.5 x 10 4

    • C. 

      0.25 x 10 -3

    • D. 

      2.5 x 10 -4

  • 5. 
    What is 1 centimenter equal to?
    • A. 

      100 meters

    • B. 

      1/10 of a millimeter

    • C. 

      10 millimeters

    • D. 

      100 millimeters

  • 6. 
    What is the relationship in which the ratio of the manipulated variable and the responding variable is constant?
    • A. 

      Inverse proportion

    • B. 

      Direct proportion

    • C. 

      Slope

    • D. 

      Interdependent

  • 7. 
    Which of the following are pure substances?
    • A. 

      Solutions

    • B. 

      Compounds

    • C. 

      Homogeneous mixtures

    • D. 

      Colloids

  • 8. 
    If a material contains three elements joined in a fixed proportion, it is a
    • A. 

      Mixture

    • B. 

      Solution

    • C. 

      Atom

    • D. 

      Compound

  • 9. 
    A mixture can be classified as a solution, suspension or colloid based on the
    • A. 

      Number of particles it contains

    • B. 

      Size of its largest particles

    • C. 

      Color of its particles

    • D. 

      Size of its smallest particles

  • 10. 
    Filtration can be used to separate mixtures based on
    • A. 

      Their boiling points

    • B. 

      Their densities

    • C. 

      Their melting points

    • D. 

      The size of their particles

  • 11. 
    Which of the following is NOT a clue that a chemical change has occurred?
    • A. 

      Change in color

    • B. 

      Production of a gas

    • C. 

      Formation of a precipitate

    • D. 

      Change in shape

  • 12. 
    Which of the following factors affect the pressure of an enclosed gas?
    • A. 

      Temperature

    • B. 

      Volume

    • C. 

      Number of particles

    • D. 

      All of the above

  • 13. 
    The temperature and volume in a closed container of gas remain constant.  If the number of particles of gas is increased, the gas pressure will
    • A. 

      Increase

    • B. 

      Decrease

    • C. 

      Remain constant

    • D. 

      Cause a decrease in the average kinetic energy of the particles

  • 14. 
    The law that states that the volume of a gas is directly proportional to its temperature in kelvins if the pressure and the number of particles is constant is
    • A. 

      Boyle's law

    • B. 

      Bose's law

    • C. 

      Einstein's law

    • D. 

      Charles' law

  • 15. 
    During a phase change, the temperature of a substance
    • A. 

      Increases

    • B. 

      Decreases

    • C. 

      Stays the same

    • D. 

      Either increases or decreases depending on the change

  • 16. 
    Which of the following phase changes is an endothermic change?
    • A. 

      Condensation

    • B. 

      Vaporization

    • C. 

      Deposition

    • D. 

      Freezing

  • 17. 
    According to John Dalton's observations, when elements combine in a compound,
    • A. 

      The ratio of their masses is always the same

    • B. 

      Each element contributes an equal number of atoms

    • C. 

      Their volumes are always equal

    • D. 

      Their masses are always equal

  • 18. 
    Who provided evidence for the existence of a nucleus in an atom?
    • A. 

      John Dalton

    • B. 

      JJ Thomson

    • C. 

      Democritus

    • D. 

      Rutherford

  • 19. 
    In an atomic model that includes a nucleus, positive charge is
    • A. 

      Concentrated in the center of the atom

    • B. 

      Spread evenly throughout an atom

    • C. 

      Concentrated at multiple sites in an atom

    • D. 

      Located in the space outside the nucleus

  • 20. 
    In Neils Bohr's model of the atom, electrons move
    • A. 

      Like balls rolling down a hill

    • B. 

      Like planets, orbiting the sun

    • C. 

      Like popcorn in a popcorn popper

    • D. 

      Like beach balls on water waves

  • 21. 
    What can you assume has happened if an electron moves to a higher energy level?
    • A. 

      The atom has become more stable

    • B. 

      The electron has lost energy

    • C. 

      The electron has gained energy

    • D. 

      The atom has lost an electron

  • 22. 
    What is the difference between an atom in the ground state and an atom in an excited state?
    • A. 

      The atom in the ground state has less energy and is less stable than the atom in an excited state.

    • B. 

      The atom in an excited state has one fewer electron that the atom in the ground state.

    • C. 

      The atom in an excited state has more energy and is less stable that the atom in the ground state.

    • D. 

      The atom in an excited state has one more electron that the atom in the ground state.

  • 23. 
    In a periodic table, a set of properties repeats from
    • A. 

      Element to element

    • B. 

      Group to group

    • C. 

      Column to column

    • D. 

      Row to row

  • 24. 
    One-twelfth the mass of a carbon-12 atom is used to define a
    • A. 

      Atomic number

    • B. 

      Atomic mass

    • C. 

      Mass number

    • D. 

      Atomic mass unit

  • 25. 
    How is the atomic mass of an element determined?
    • A. 

      Average the atomic masses of all its isotopes

    • B. 

      Use the atomic mass of the most abundant isotope

    • C. 

      Take a weighted average of the masses of the isotopes present in nature

    • D. 

      Count the number of protons and neutrons in an atom of the element

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