Physical Properties of Matter
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  • Question 1
    180 seconds
    Q.

    The table lists some physical properties of two objects. Based on their properties, which of the objects is most likely a metal?

    answer choices

    Object 1, because it is a solid that is less dense than water

    Object 2, because all metals float in water

    Object 2, because metals conduct thermal energy and electricity

    Object 1, because it can be used to provide insulation for thermal energy

  • Question 2
    180 seconds
    Q.

    Students are investigating properties of objects. They observe four objects and record observations for each object in the table. Based on the students' observations, which of these tables properly identifies the objects?

    answer choices
  • Question 3
    180 seconds
    Q.

    A student measured out 10 mL of four clear liquids and added one drop of a different-colored dye to each liquid. One of the liquids was water. The student then carefully poured each liquid into a graduated cylinder and let the mixture settle for 30 minutes. The student observed that the liquids had separated into layers, as shown in the diagram. Which of these procedures would help the student identify the layer of water?

    answer choices

    Stir the liquids, let them settle, and then identify the bottom layer as water

    Drop a piece of ice into the graduated cylinder, let the ice settle, and then identify the layer just above the ice as water

    Add water to the graduated cylinder, let the mixture settle, and then identify the layer that increases in volume as water

    Carefully pour each layer into separate plastic containers, place the containers in a freezer, and then identify the liquid that takes the longest to freeze as water

  • Question 4
    180 seconds
    Q.

    A cook uses the ingredients listed below to prepare a meal. Which table correctly shows the physical properites of these ingredients when placed in hot water?

    answer choices
  • Question 5
    180 seconds
    Q.

    Which of these is the best conductor of electricity?

    answer choices

    Glass rod

    Cotton string

    Plastic tubing

    Copper penny

  • Question 6
    180 seconds
    Q.

    A student reads the label on the bottom of salad dressing shown below. Why would the student shake the salad dressing well before using it?

    answer choices

    Vinegar and oil have different densities.

    Vinegar and oil form a solution.

    Vinegar and oil both contain water.

    Vinegar and oil are both liquids.

  • Question 7
    180 seconds
    Q.

    A student stirs 15 grams of each substance listed below into 200 milliliters of water to form four different mixtures. The student tries to separate the water from each mixture through a kitchen tea strainer. Which mixture can the student separate most easily with the strainer?

    answer choices

    Salt and water

    Gravel and water

    Shampoo and water

    Sugar and water

  • Question 8
    180 seconds
    Q.

    A beaker with 115 mL of solution has a temperature of 21 degrees Celsius. The solution contains 5 g of salt and 115 mL of water. Students added two ice cubes to the solution and stirred the solution with a stirring rod. Which properties of the solution changed as the ice cubes melted?

    answer choices

    The color and physical state of the solution

    The temperature, mass, and volume of the solution

    The volume, temperature, and mass of the salt in the solution

    The physical state and temperature of the solution

  • Question 9
    180 seconds
    Q.

    A group of students is performing an investigation to measure how much liquid water is produced from a 10 L sample of snow. What must occur in order for the students to perform this investigation?

    answer choices

    The sample must be kept in a freezer.

    The temperature of the sample must change.

    The investigation must be performed outside.

    The physical state of the sample must remain the same.

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