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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Light normally travels in ----
a. | a circle | c. | a straight line | b. | a curve | d. | opposite
directions |
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2.
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In an experiment above salt and sand are mixed together. Which of these
procedures could be used to most easily separate the salt from the sand?
a. | example A | c. | example C | b. | example B | d. | example D |
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3.
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Which of the following would best describe a solution?
a. | Granite | c. | Salad | b. | Saltwater | d. | Soil |
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4.
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The chart above shows objects that conduct heat. Which of these would
complete the column of objects that do not conduct heat?
a. | electrical wire | c. | cotton glove | b. | water drop | d. | horseshoe
magnet |
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5.
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Which of the following can be attracted to a magnet?
a. | gold ring | c. | iron needle | b. | glass marble | d. | wool sock |
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6.
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The picture above shows wires connected to a battery and the light bulb
They create a closed circuit. What would happen if one of the wires were cut?
a. | The battery would lose its charge. | c. | The wires would become
hot.. | b. | The glass on the light bulb would break. | d. | The light would go
out. |
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7.
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All matter has mass. Which of these is another major property of matter?
a. | Generate heat. | c. | Gives off light. | b. | Takes up space. | d. | Conducts
electricity. |
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8.
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The picture above represents water in a container. Which process is taking
place?
a. | Condensation | c. | Freezing | b. | Evaporation | d. | Melting |
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9.
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The disappearance of a sound wave into a surface is called --
a. | absorption | c. | transmission | b. | refraction | d. | reflection |
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10.
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Highs and Lows are words that best describe which of the following sound
characteristics?
a. | frequency | c. | loudness | b. | volume | d. | pitch |
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11.
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The unit of measure that is used to measure the frequency of sound is
----
a. | centimeter | c. | hertz | b. | volume | d. | decibel |
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12.
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An insect that produces waves in the water also produces waves in the air.
What can these vibrations produce?
a. | oxygen | c. | sound | b. | carbon | d. | light |
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13.
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All sound is produced by ---
a. | electricity | c. | wind | b. | vibrations | d. | elements |
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14.
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Sound is produced by the vibration of material. It uses a medium to travel
on to get from one point to another. Which of these are considered a medium that sound travels
on?
a. | gas | c. | solid | b. | liquid | d. | all of these |
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15.
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A physical combination of two or more substances that are blended together
without forming a new substance is called a ----
a. | compound | c. | emulsion | b. | mixture | d. | aerosol |
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16.
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Which mixture is also a solution?
a. | milk | c. | salad | b. | birdseed | d. | snack mix |
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17.
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A rock is taken from the surface of the moon and brought back to Earth.
What is different about this rock on Earth?
a. | Its shape | c. | Its mass | b. | Its weight | d. | Its length |
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18.
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In the picture above which process of light makes the pencil look broken?
a. | absorption | c. | condensation | b. | reflection | d. | refraction |
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19.
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Which form(s) of energy does a burning candle release?
a. | electrical and mechanical | c. | heat and
nuclear | b. | chemical and electrical | d. | light and heat |
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20.
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When a person speaks, which body part vibrates to create the sound of his or her
voice?
a. | teeth | c. | lungs | b. | vocal cords | d. | ears |
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