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Science Benchmark 2 Review

Quiz by Becky Turner

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30 questions
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  • Q1
    All of the liquids in the jar are clear with a drop of food coloring in them to allow the layers to show. Which of the following would be a way to identify which layer is actually water?
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    Shake to mix the liquids, let them settle, then label the bottom layer as water.
    Put additional food coloring in the jar and label the darkest layer as water.
    Put additional water in the jar and see which layer becomes deeper.
    Shake to mix the liquids, let them settle, and pick the top layer.
  • Q2
    Which of the following statements is true?
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    Water is less dense than oil.
    The plastic block is less dense than the grape and water.
    The grape is more dense than the syrup and less dense than the water.
    The cork is more dense than all of the liquids.
  • Q3
    Students had 4 different clear liquids and added a drop of food coloring to each (each liquid had a different color added). After adding the food coloring, students poured all 4 liquids together and mixed them. Students allowed the liquids to settle and the above layers formed. How could the students determine which layer of liquid is water?
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    Pour more water into the mixture, put the mixture in the freezer and see which layer freezes first.
    Pour more water into the mixture and see which layer becomes deeper.
    Pour more water into the mixture and see which layer settles at the top.
    Pour more water in the mixture and see which layer settles to the bottom.
  • Q4
    A student classifies the shown items based on physical properties. Which property cannot be used in order to classify the objects into more than one group?
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    electrical conductivity
  • Q5
    A student mixes water with 4 different substances- salt, pepper, dish soap, and marbles. Which mixture would be easiest to separate using the strainer?
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    water and dish soap
    water and salt
    water and pepper
    water and marble
  • Q6
    A beaker with 200 mL of a solution made of water and sugar was sitting at 38 degrees celcius. A student added a small cupful of ice to the solution. Which properties of the solution would change as the ice melted?
    The temperature, volume, and mass of the sugar.
    The color and physical state.
    The physical state and temperature of the solution.
    The temperature, mass, and volume of the solution.
  • Q7
    A student uses a set of headphones to listen to music. Which of these objects uses the same source on energy as the headphones?
    A keyboard using electrical energy
    A piano using mechanical energy
    A flute using wind energy
    A teapot using thermal energy
  • Q8
    Which two samplescould be glass and saltwater?
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    Samples 3 and 4
    Samples 1 and 2
    Samples 2 and 3
    Samples 1 and 3
  • Q9
    What is the difference in grams between the total mass of the liquid substances and the total mass of the solid substances used in the investigation?
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  • Q10
    A student is given a beaker containing gravel and water. Which of these ways could the student NOT use to separate the gravel from the water?
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  • Q11
    To recharge the battery for later use without lighting the bulb, which of the following switches should be closed?
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    Switches R and T only
    Switches R and S only
    Switch S only
    Switches R, S and T
  • Q12
    The fish appears to be closer to the surface than it really is. What causes this difference?
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    Light is focused
    Light is reflected
    Light is blocked
    Light is refracted
  • Q13
    Some students paint the inside of several boxes. They paint each box a different color. They observe that the inside of the box painted white looks brighter than the others. What is the most likely reason this box looks brighter?
    More light is reflected off white paint
    More light is absorbed by white paint
    More light passes through white paint
    More light is refracted by white paint
  • Q14
    Which of the following best describes how the objects lens of this telescope helps a scientist observe the moon?
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    The objective lens reflects light
    The objective lens produces light
    The objective lens blocks light
    The obective lens refracts light
  • Q15
    Erosion is one of the processes involved in the formation of sedimentary rock. Which of these best describes the process of erosion?
    Pressure compacts layers of sediment and turns them into rock
    Pieces of rock or soil are carried from one place to another
    Rocks are broken into smaller pieces that remain in the same location
    Sidement grains fall to the bottom of a lake to form sedimentary layers

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