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

40 Questions  I  By Divinemercyacademy
Life Science - 8th Grade - Chapter 4-6 Review
Life ScienceSeton Home Study School EditionAll Creatures Great and Small

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