Life Science - 8th Grade - Chapter 4-6 Review

40 Questions  I  By Divinemercyacademy on January 4, 2011
Life ScienceSeton Home Study School EditionAll Creatures Great and Small

  

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1.  A carefully marked tube of glass or plastic that is used to determine the volume of a liquid is called a
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2.  What is this instrument?
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3.  A compound microscope is used to measure very small objects or organisms.
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4.  Osmosis is ___________________________________.
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5.  Bright light will "scare" many microbes away, which part of the compound microscope allows you to reduce the light?
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6.  Which of the following is the smallest?
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7.  Chromosomes are ______________________________.
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8.  Weight is the amount of matter in an object.
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9.  Which part is usually large in plant cells but small in animal cells?
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10.  Which of the following is the smallest?
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11.  Which element is the most abundant in your body?
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12.  Which of the following is the smallest?
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13.  Which of the following are elements? (check 4)
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14.  Mitochondrion is ___________________________________.
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15.  Approximately how many atoms can be found in a single drop of water?
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16.  What percent of your body weight is water?
17.  The symbol for potassium is ________________.
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18.  Semipermeable means __________________________________________.
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19.  A molecule is ________________________________________.
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20.  Mass is the downward force of an object due to gravity.
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21.  The symbol for oxygen is __________.
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22.  An element is ________________________________________.
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23.  Atoms are mostly made up of empty space.
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24.  Select all that are correct.
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25.  Which of the following is incorrect?
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26.  An molecule is the smallest part of a compound with all the properties of the compound.
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27.  Which of the following are compounds? (check 4)
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28.  Which part is the area where food molecules are broken down?
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29.  Protoplasm is living matter.
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30.  Weight is the downward force of an object due to gravity.
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31.  A molecule is the smallest part of an element with all the properties of the element.
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32.  Na is the symbol for _______________.
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33.  Protoplasm is a cell wall.
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34.  Which of the following is not a part of the compound microscope?
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35.  There are more than __________ kinds of atoms.
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36.  A living organism can have just one cell.
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37.  Fe is the symbol for ________________.
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38.  The nucleus of an atom is the ______________________.
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39.  All living things are made up of more than 15,000,000,000 cells.
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40.  Check each item if it is part of the structure of an atom.
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