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