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

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Life Science - 8th Grade - Chapter 4-6 Review
Life ScienceSeton Home Study School EditionAll Creatures Great and Small

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