Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Which
quantity is measured by the lab equipment shown in the figure? a. | length | c. | volume | b. | mass | d. | weight | | | | |
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2.
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What
is the mass of the object being measured in the figure?
a. | 47.52 g | c. | 407.52 g | b. | 147.52
g | d. | 527.40
g | | | | |
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3.
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Examine the figure shown. Which of the following statements explains why a steel ship
will float on water but a bar of steel will sink.
a. | Because of the
air in the hull, the overall density of the ship is less than the density of
water. | b. | The buoyant force on the ship is greater than the weight of the
ship. | c. | The densest part of the ship is the part that is out of the
water. | d. | When rolled into a sheet, steel is less dense than
water. | | |
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4.
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A
hydraulic lift uses one cylinder that contains a piston with an area of 0.16 m2. The lift
also contains a larger cylinder with a piston area of 0.32 m2. How does the force applied
to the smaller cylinder compare to the force resulting in the larger cylinder if the pressure in the
lift is constant? a. | The force for
the smaller cylinder is greater than the force for the larger cylinder. | b. | The force for
the smaller cylinder is smaller than the force for the larger cylinder. | c. | The forces are
equal for both cylinders. | d. | The relationship of the forces depends on the amount of
pressure in the lift. | | |
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5.
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Bernoulli, a Swiss scientist, discovered that the faster a fluid moves, the less
pressure it exerts. This principle helps explain why airplane wings provide lift for a plane. Look at
the figure below. According to Bernoulli’s principle, where is the air flowing the
fastest?
a. | on the top of
the wing | b. | under the wing | c. | near the top and
bottom surfaces of the wing | d. | It is flowing the same speed both on the top and on the bottom
of the wing. | | |
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6.
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A
group of students collected samples of equal volume of several different liquids, such as dish
detergent, vinegar, molasses, and shampoo. They placed the liquids in identical graduated cylinders
and measured the amount of time it took for a marble to drop from the top of the liquid to the
bottom. What were the students measuring? a. | buoyancy | c. | state of matter | b. | pressure | d. | viscosity | | | | |
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7.
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What
type of bond is formed by a reaction between one magnesium atom and two chlorine
atoms? a. | covalent | c. | metallic | b. | ionic | d. | polar covalent | | | | |
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8.
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Because of what takes place in forming this compound, shown in the figure, where would
you expect the atoms involved to be located on the periodic table? a. | Groups 1A and 7A
because equal numbers of electrons are gained and lost. | b. | Group 2A because
two electrons are lost by one atom, and Group 7A because one electron is gained by each of two
atoms. | |
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