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Physical Science Section 2C Review CCA
Test Description: This is EXACTLY the same as Quiz 2C in That Quiz
Instructions: Answer all questions to get your test result.
1) Man has been classifying things since the beginning of _______.
A
Christ
B
time
C
the Bible
D
knowledge
2) Chemists classify elements as metals, nonmetals, and metalloids, as well as into families, such as alkaline earth _______ or halogens.
A
metals
B
products
C
materials
D
matter
3) Classification provides a structure within which we can conduct a ______ study.
A
random
B
pure
C
precise
D
scientific
4) A pure substance is a material made of only one kind of ________ or compound; it is not a mixture.
A
solution
B
element
C
solvent
D
mixture
5) We _______ matter according to its properties.
A
divide
B
import
C
classify
D
retain
6) A compound is a pure substance consisting of atoms of two or more _______ elements that are chemically combined.
A
different
B
random
C
living
D
similar
7) Atoms of a particular compound always combine in the same _______.
A
proportion
B
place
C
material
D
state
8) Elements are the simplest of the ______ substances.
A
combined
B
pure
C
metallic
D
mixed
9) Anything that is not a pure substance is a mixture—a ________ combination of two or more substances.
A
chemical
B
covalent
C
ionic
D
physical
10) Another term for homogeneous mixture is a _______.
A
solute
B
solvent
C
suspension
D
solution
11) A heterogeneous mixture does not have a ________ appearance since the substances are unevenly distributed.
A
uneven
B
uniform
C
unchanging
D
random
12) An element is a pure substance that consists of atoms with the same ______ number.
A
physical
B
mass
C
atomic
D
nuclear
13) What is the best choice here that defines a salad?
A
heterogeneous mixture
B
a compound
C
homogeneous mixture
D
pure substance
14) All 118 known elements are listed on the _______ table of the elements.
A
chemical
B
atomic
C
reactive
D
periodic
15) The particle model states that all matter consists of tiny particles in constant _______ motion.
A
exact
B
accurate
C
precise
D
random
16) PLASMA: gas-like state of matter formed at very high ________that consists of high-energy ions and free electrons.
A
pressures
B
elevations
C
altitudes
D
temperatures
17) In a ________ substance the particles vibrate in place.
A
plasma
B
liquid
C
gas
D
solid
18) LIQUID: Particle spacing: ______ Particle motion: able to slide past each other Volume: fixed Shape: changes to fill a container from the bottom.
A
broad
B
spread
C
close
D
spacious
19) The states of matter are determined by the relationship between the kinetic energy (energy of motion) of the particles and the _______forces between them.
A
repulsive
B
attractive
C
magnetic
D
opposite
20) _________: The attractive forces between the liquid particles, a measure of a fluid's resistance to flow. In other words, how “thick” or “thin” is the liquid?
A
Viscosity
B
Mass
C
Density
D
Thickness
*select an answer for all questions
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