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

40 Questions  I  By Divinemercyacademy
Life ScienceSeton Home Study School EditionAll Creatures Great and Small.?

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