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Six Weeks Test Review: Matter and Energy and Force, Motion and Energy

Quiz by Audra Anderson

Grade 6
Science (2017)
Texas Essential Knowledge and Skills (TEKS)

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30 questions
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  • Q1
    The chemical equation shown below represents a reaction that produces certain fuel for certain cars. CO = H2O ->CO2 + H2 which substance in this equation is classified as an element?
    CO2
    H20
    H2
    CO
    30s
    6.5a
  • Q2
    Compounds are different than elements because compounds are -
    a pure substance, elements are not
    made from the same type of atom
    not able to be broken down into parts
    combination of 2 or more elements
    30s
    6.5a
  • Q3
    A section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?
    Question Image
    24.31
    Mg
    Magnesium
    12
    30s
    6.5a
  • Q4
    The atmosphere of Earth is comprised mostly of oxygen and -
    nitrogen
    carbon
    silicon
    hydrogen
    30s
    6.5b
  • Q5
    Which of the following elements is one of the major components of living organisms?
    carbon
    sulfur
    copper
    silicon
    30s
    6.5b
  • Q6
    Bubbles and fizzing can be seen instantly when baking soda is mixed with vinegar. The bubbles are evidence of which of the following?
    Baking soda dissolves in vinegar when they are mixed
    Vinegar turns into alcohol when it is mixed with baking soda
    A precipitate is formed when baking soda is mixed with vinegar
    A gas is formed when vinegar and baking soda are mixed
    30s
    6.5c
  • Q7
    All of the following are evidence of a chemical change EXCEPT –
    precipitate forms
    change in state of matter
    color change
    formation of a gas
    30s
    6.5c
  • Q8
    A student added white crystals to a clear liquid. The crystals dissolved in the liquid. After a few seconds, the liquid became quite warm and then turned bright red in color. The first indication that a chemical change was taking place could be observed when –
    the color of the mixture changed
    the crystals dissolved in the liquid
    the temperature of the liquid increased
    the crystals were added to the liquid
    30s
    6.5c
  • Q9
    The table shows the properties of three classifications of elements. What are the best headings for columns A, B, and C?
    Question Image
    (A) Metals, (B) Metalloids, (C) Non-metals
    (A) Non-metals, (B) Metals, (C) Metalloids
    (A) Metals, (B) Non-metals, (C) Metalloids
    (A)Non-metals, (B)Metalloids, (C) Metals
    30s
    6.6a
  • Q10
    Aluminum, sulfur, and chlorine are elements found on the periodic table. Tests involving these three elements would show that at room temperature
    Chlorine is malleable and conducts electricity
    Aluminum is malleable and conducts electricity
    Sulfur is malleable and aluminum conducts electricity
    All three elements are malleable and conduct electricity
    30s
    6.6a
  • Q11
    The table shows the physical properties of four elements. Which element is classified as a metalloid?
    Question Image
    Selenium
    Polonium
    Titanium
    Potassium
    30s
    6.6a
  • Q12
    Which unknown substance is likely carbon?
    Question Image
    Substance 3
    Substance 1
    Substance 2
    Substance 4
    30s
    6.6b
  • Q13
    A balance and a graduated cylinder are used to determine the density of a mineral sample. The sample has a mass of 14.7 g and a volume of 2.2 cubic centimeters. What is the density of the sample?
    6.7 g/cm^3
    0.15 g/cm^3
    13 g/cm^3
    32 g/cm^3
    30s
    6.6b
  • Q14
    Physical properties of minerals such as color, hardness, luster, and streak are used to determine what about a mineral?
    Location
    Mass
    Age
    Identity
    30s
    6.6c
  • Q15
    Use the chart above to answer the following question. A student is given the chart above and is told to identify an unknown mineral. The student observes that the mineral has a glassy luster and a hardness less than 3. What is the identity of the mineral?
    Question Image
    talc
    Jadeite
    Cobaltite
    Actmite
    30s
    6.6c

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