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

40 Questions  I  By Divinemercyacademy
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Life Science - 8th Grade - Chapter 4-6 Review
Life science
seton home study school edition
all creatures great and small

  
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Question Excerpt

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