Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which of the following statements is NOT true of atoms and molecules?
A. | They never bump into each other. | C. | They are found in all
matter. | B. | They are tiny particles. | D. | They are always in motion. |
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2.
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The melting point of salt is the same as its
A. | freezing point. | B. | boiling point. | C. | condensation
point. d. sublimation
point. |
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3.
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Hydraulic (liquid) systems, such as the brakes on an automobile, pass on forces
because liquids tend to maintain a constant
A. | viscosity. | C. | volume. | B. | pressure. | D. | surface
tension. |
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4.
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A graph that shows the change in temperature of a substance as it is heated will
show
A. | a rising line as the substance melts. | C. | a falling line as the substance
melts. | B. | a straight line as the substance melts. | D. | a straight line as the substance
freezes. |
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5.
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A drop of vinegar will flow and spread out but a drop of vegetable oil will form
a bead. This is evidence that
A. | vinegar has a lower surface tension and lower viscosity than vegetable
oil. | B. | vegetable oil has a lower surface tension and higher viscosity than
vinegar. | C. | vegetable oil has a lower surface tension and lower viscosity than
vinegar. | D. | vinegar has a lower surface tension and higher viscosity than vegetable
oil. |
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6.
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If you open a bottle of perfume, after a period of time, the people on the
opposite side of the room will be able to smell it due to the process of
A. | sublimation. | B. | condensation. | C. | evaporation. d. vapor
pressure. |
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7.
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At higher temperatures,
A. | gas particles bump into walls less often. | C. | particles in an object move
faster. | B. | particles in an object have less energy. | D. | a gas
contracts. |
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8.
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What type of matter does Boyle’s law tell us about?
A. | liquids | C. | any kind of matter | B. | solids | D. | gases |
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9.
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Balloons can be twisted into shapes because
A. | volume is measured in two dimensions. | B. | the volume of a gas is
constant. | C. | particles of gas can be compressed. | D. | the force exerted changes the number of
particles. |
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10.
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The reverse of condensation is
A. | sublimation. | C. | freezing. | B. | evaporation. | D. | boiling. |
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11.
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Which of the following examples involves an exothermic change?
A. | gaseous water particles coming together to form droplets on a cup | B. | ice melting in a
glass of lemonade | C. | water boiling in a large
pot | D. | air in a bicycle tire gaining pressure on a hot day |
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12.
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A liter of gasoline will boil at
A. | the same temperature as a milliliter of gasoline. | B. | the same temperature
as a milliliter of water. | C. | a lower temperature than a milliliter of
gasoline. | D. | a higher temperature than a milliliter of gasoline. |
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13.
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Boyle’s law states that for a fixed amount of gas
A. | at a constant pressure, the volume of the gas is inversely related to
temperature. | B. | at a constant temperature, the volume of the gas is directly related to
pressure. | C. | at a constant pressure, the volume of the gas is directly related to
temperature. | D. | at a constant temperature, the volume of the gas is inversely related to
pressure. |
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14.
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According to Charles’s law,
A. | decreasing the temperature of a gas causes the volume of a gas to
increase. | B. | increasing the temperature of a gas causes the volume of a gas to
increase. | C. | decreasing the temperature of a gas causes the pressure on the molecules to
decrease. | D. | increasing the temperature of a gas causes the pressure on the molecules to
increase. |
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15.
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In a solid, the particles
A. | overcome the strong attraction between them. | B. | vibrate in
place. | C. | slide past one another. | D. | move independently of one
another. |
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16.
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Which of these factors could affect the temperature at which water boils?
A. | the amount of energy added to the water | B. | the type of fuel
used to heat the water | C. | the atmospheric pressure at which the water is
heated | D. | the volume of water in the pot |
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17.
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A gas
A. | has a definite volume but no definite shape. | B. | has a definite shape
but no definite volume. | C. | has particles that are always close
together. | D. | has fast-moving particles. |
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18.
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Which of the following occurs when a liquid becomes a gas?
A. | The particles give off energy. | B. | The particles break away from one
another. | C. | The particles slow down. | D. | The particles move closer
together. |
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Short Answer
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Use the image below to answer the following
questions.
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19.
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Which letters on the graph represent the changes of state of condensation and
freezing?
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20.
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Which letters on the graph represent the three states of matter: gas, solid, and
liquid?
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Matching
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Use these choices for the next 2 questions. A. | exothermic | D. | boiling | B. | melting | E. | endothermic | C. | vapor
pressure |
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21.
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a change in which energy is removed from the substance as it changes
state
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22.
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the pressure inside the bubbles of a boiling liquid
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Use these choices for the next 3 questions. A. | gas | D. | liquid | B. | viscosity | E. | surface tension | C. | solid |
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23.
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This property of liquids is affected by the strength of the attraction between
the molecules.
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24.
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It may be either crystalline or amorphous.
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25.
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This force acts on the particles of milk at the surface of a glass of
milk.
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