3rd 9 Weeks Exam

Mrs. Connell

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Choose the best answer for the following questions.

  1. What is the basic SI unit for length?

    2. Your answer:
    liter
    meter
    second
    centimeter

  2. What instrument is used to measure length?

    3. Your answer:
    graduated cylinder
    meter stick
    thermometer
    balance scale

  3. What is the basic SI unit for mass?

    4. Your answer:
    kilogram
    meter
    kilometer
    liter

  4. What instrument is used to measure mass?

    5. Your answer:
    balance scale
    graduated cylinder
    meter stick
    thermometer

  5. What is the basic SI unit for volume?

    6. Your answer:
    meter
    liter
    gram
    centimeter

  6. What is the instrument used to measure volume?

    7. Your answer:
    graduated cylinder
    balance scale
    meter stick
    stopwatch

  7. What is the basic SI unit for temperature?

    8. Your answer:
    meter
    liter
    fahrenheit
    kelvin

  8. What instrument is used to measure temperature?

    9. Your answer:
    thermometer
    graduated cylinder
    meter stick
    balance scale

  9. What is the basic unit used to measure time?

    10. Your answer:
    meter
    stopwatch
    minute
    second

  10. What instrument is used to measure time?

    11. Your answer:
    meter stick
    balance scale
    graduated cylinder
    stopwatch

  11. Which is not an example of matter?

    12. Your answer:
    building
    car
    dream
    boy

  12. Which of the following units would be most appropriate for measuring the length of a person's finger?

    13. Your answer:
    meters
    nanometers
    centimeters
    kilometers

  13. How many centimeters are in a meter?

    14. Your answer:
    .001
    1000
    10
    100

  14. The volume of a solid object can be found by ___________.

    15. Your answer:
    using a balance scale
    using a graduated cylinder to measure mass
    multiplying length x width
    multiplying length x width x height

  15. The element boron has an atomic number of 5. How many protons are in the nucleus of a boron atom?

    16. Your answer:
    1
    3
    5
    6

  16. Which subatomic particle is correctly paired with both its charge and its location?

    17. Your answer:
    electron - positive; outside the nucleus
    neutron - negative; outside the nucleus
    electron - negative; inside the nucleus
    proton - positive; inside the nucleus

  17. Which of the following is an element?

    18. Your answer:
    water
    salt
    oxygen
    air

  18. A solution has a pH of 13. The solution can be described as

    19. Your answer:
    a strong acid.
    a weak base.
    a strong base.
    a weak acid.

  19. Which is not an example of a chemical change?

    20. Your answer:
    iron rusting
    bread baking
    wood burning
    water boiling

  20. Sue's science teacher gave her the following information about an unknown substance: It is sour tasting, has a pH less than 7, changes blue litmus paper to red, and turns red when mixed with red cabbage juice. The substance is probably

    21. Your answer:
    a salt
    an acid
    an oxide
    a base

  21. Which standard of measurement would you use to best determine the length of the classroom?

    22. Your answer:
    millimeter
    centimeter
    kilometer
    meter

  22. With the exception of the nucleus of some hydrogen atoms, all atomic nuclei contain

    23. Your answer:
    electrons and beta particles
    electrons and neutrons
    protons and electrons
    protons and neutrons

  23. Which is an example of a chemical change?

    24. Your answer:
    a melting ice cream cone
    a spilled bucket of water
    a rusting car fender
    a spinning top

  24. A vitamin tablet weighs 2.0 grams. Which property of the tablet does this value measure?

    25. Your answer:
    mass
    length
    temperature
    volume

  25. Which standard of measurement would you use to best determine the amount of orange juice in a glass?

    26. Your answer:
    liters
    meters
    milliliters
    grams

  26. During the water cycle, when water vapor changes to liquid water, it is called

    27. Your answer:
    boiling
    evaporation
    condensation
    freezing

  27. Which of the following is an example of melting?

    28. Your answer:
    heating a block of ice until the ice turns to water
    cooling water in the freezer until the water becomes solid
    heating a pan of water until the water is all gone
    stirring some sugar in water until the sugar cannot be seen

  28. Mary's science teacher said that she had found an element that was shiny, ductile, and a good conductor of heat and electricity. What was the element?

    29. Your answer:
    a metal
    an oxide
    a nonmetal
    a metalloid

  29. The particles inside this element are tightly packed, they have a definite volume and a definite shape. This element is a

    30. Your answer:
    liquid
    solid
    plasma
    gas

  30. Syrup and ketchup are slow at pouring. We can say that they have a high

    31. Your answer:
    viscosity
    surface tension
    mass
    evaporation

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