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

40 Questions  I  By Divinemercyacademy on January 4, 2011
Life ScienceSeton Home Study School EditionAll Creatures Great and Small

  

Question Excerpt

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