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

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