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 ScienceSeton Home Study School EditionAll Creatures Great and Small

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