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WorksheetsPhysical Science, First Semester, Post Assessment, Review
Total questions: 80
Worksheet time: 44mins
Name
Class
Date
1.
Trey is the fastest runner in the class!
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
2.
Jeremiah walked 50 meters in 32 seconds.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
3.
Accuracy is defined as
a)
close repeated measurements
b)
awesome measurements
c)
really good guessing
d)
measurement near the true value
4.
Measurements that are repeated and close to each other can be defined as:
a)
accurate
b)
accurate and precise
c)
precise
d)
estimated
5.
If there is a graph given with a scenario, where can you find the dependent variable?
a)
x-axis
b)
in the title
c)
y-axis
d)
it will not be clearly stated
6.
_____ is a system of ideas that explains many related observations.
a)
A scientific theory
b)
A scientific law
c)
A fact
d)
An hypothesis
7.
What is the first step of the scientific method?
a)
observation
b)
state the problem
c)
make hypothesis
d)
research data
8.
A ______ is a statement about what happens in nature and that seems to be true all of the time.
a)
scientific theory
b)
scientific law
c)
hypothesis
d)
experiment
9.
The standard for comparison is known as the ______.
a)
independent variable
b)
dependent variable
c)
constant
d)
control
10.
A way of grouping, classifying, and organizing information.
a)
Experiment
b)
Scientific Method
c)
Graph
d)
Classification
11.
An explanation based on many observations supported by experimental results that can be used to make predictions
a)
Scientific Theory
b)
Scientific Law
c)
Observation
d)
Hypothesis
12.
This variable in an experiment that is being deliberately changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
13.
On what axis should the independent variable always be?
a)
X
b)
Y
19.
What instrument measures volume of liquids?
a)
graduated cylinder
b)
Erlenmeyor flask
c)
beaker
d)
test tube
15.
Which of the following is NOT a branch of physical science?
a)
Physics
b)
Chemistry
c)
Geology
d)
All are branches of Physical Science
16.
Technology _____.
a)
is the application of science practical purposes
b)
makes life easier
c)
is used for the advancement of knowledge
d)
depends on advancement of science but science doesn't depend on advancement of technology
17.
What do scientist use to test a hypothesis?
a)
experiment
b)
model
c)
technology
d)
lab equipment
18.
What variable is changed in a controlled experiment?
a)
manipulated variable
b)
responding variable
c)
dependent variable
d)
control
19.
What instrument measures volume of liquids?
a)
graduated cylinder
b)
Erlenmeyor flask
c)
beaker
d)
test tube
20.
What instrument measures the mass of an object?
a)
triple beam balance
b)
a spring scale
c)
a graduated cylinder
d)
a ruler
21.
What is the first thing you should do if you get something in your eye in the lab?
a)
tell the teacher
b)
go to eye wash station and flush with water
c)
call your parents
d)
go to the nurse
22.
Chemistry is the science of _____ and how it changes.
a)
atoms
b)
elements
c)
matter
d)
mixtures
23.
Matter is _____.
a)
anything that occupies space
b)
anything that has mass
c)
anything that occupies space and has mass
d)
not in the atmosphere
24.
Which of the following is a substance that cannot be broken down into simpler substances?
a)
atom
b)
element
c)
pure substance
d)
molecule
25.
What is the smallest unit of a substance that behaves like the substance?
a)
atom
b)
element
c)
pure substance
d)
molecule
26.
What is a substance that is made of at least two different types of atoms?
a)
compound
b)
molecule
c)
mixture
d)
solution
27.
In the following formula, how many Sulfur(S) atoms are there?
Al(SO4)2
Al(SO4)2
a)
1
b)
2
c)
6
d)
8
28.
In the following formula, how many Aluminum(Al) atoms are there?
Al(SO4)2
Al(SO4)2
a)
1
b)
2
c)
6
d)
8
29.
In the following formula, how many atoms are there?
Al(SO4)2
Al(SO4)2
a)
6
b)
8
c)
11
d)
12
30.
Matter that has a fixed composition and definite properties is _____.
a)
mixture
b)
element
c)
molecule
d)
pure substance
31.
Which of the following is NOT an example of a mixture?
a)
grape juice
b)
ranch dressing
c)
chocolate cake
d)
coffee with creamer
32.
Which of the following would NOT be a homogenous mixture?
a)
apple juice
b)
gasoline
c)
air
d)
chicken soup
33.
Which of the following is an example of a heterogeneous mixture?
a)
chocolate chip cookie
b)
tea
c)
honey
d)
gunpowder
34.
Which of the following is an example of a chemical property?
a)
flammability
b)
nonflammability
c)
reactivity with acid
d)
all of these are chemical properties
35.
Which of the following is an example of a chemical property?
a)
reactivity with oxygen
b)
reactivity with water
c)
reactivity with vinegar
d)
all of these are chemical properties
36.
Which of the following is NOT a chemical change?
a)
baking a cake
b)
digesting food
c)
melting ice
d)
rotting egg
37.
Which of the following is a clue that a chemical change is taking place?
a)
production of heat
b)
fizzing
c)
change in color
d)
all of these are chemical changes
38.
Which of the following is an example of a physical change?
a)
production of light or odor
b)
foaming
c)
dissolving
d)
all of these are examples of physical changes
39.
A liquid has a volume of 550 mL and a mass of 220 g. What is its density?
a)
0.4 g/ml
b)
2.5 g/ml
c)
2.5 ml/g
d)
121,000 g ml
40.
In a solid, the particles
a)
vibrate in place
b)
slide past one another
c)
overcome the strong attraction
d)
move freely in any direction
41.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
d)
has particles that vibrate in place
42.
Which of the following occurs when a liquid becomes a gas?
a)
the particles slow down
b)
the particles beak away from one another
c)
the particles move closer together
43.
Which of the following occurs when a a solid becomes a gas?
a)
the particles slow down
b)
the particles move faster
c)
the particles move closer together
44.
What happens to the boiling point when the pressure decreases?
a)
It goes down.
b)
It stays the same.
c)
It goes up.
d)
It goes up then down.
45.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
46.
What term describes a liquid changing to a solid?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
47.
In which state of matter do the particles spread apart and fill all the space available to them?
a)
crystal
b)
liquid
c)
gas
d)
solid
48.
____________________ occurs when a liquid changes to a gas below its surface.
a)
boiling
b)
freezing
c)
melting
d)
condensation
49.
The state of matter that has no definite size or shape is
a)
Solid
b)
Liquid
c)
Gas
50.
Gas expands to fit____________.
a)
only small containers.
b)
only the volume of its container.
c)
the shape and the volume of its container
51.
What Is Matter?
a)
Anything That has weight and takes up space.
b)
Anything that you can see or taste.
c)
What you can touch.
52.
Which of the following terms identifies the change from a liquid to solid?
a)
Melting
b)
Condensation
c)
Vaporization
d)
Freezing
53.
Electrons are located outside the nucleus of an atom.
a)
True
b)
False
54.
What is the atomic number of an element with 12 protons, 13 neutrons and 12 electrons?
a)
12
b)
13
c)
25
d)
24
55.
Changing the number of electrons in an atom results in the formation of :
a)
positive ion only
b)
positive ion or negative ion
c)
negative ion only
d)
new atom
56.
Changing the number of neutrons in an atom results in the formation of a(an) _______
a)
atom
b)
isotope
c)
anion ( a negative ion)
d)
cation (a positive ion)
57.
When there are the same number of protons and electrons in an atom, that atom is a...
a)
positive ion.
b)
negative ion.
c)
unstable isotope.
d)
neutral atom.
58.
Examine the label of the atom. Which is a proton?
a)
A
b)
B
c)
C
59.
Examine the label of the atom. Which is a neutron?
a)
A
b)
B
c)
C
60.
What parts of the atom make up most of its mass?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons
61.
What is the atomic mass number?
a)
the number of protons in an element
b)
the number of neutrons in an element
c)
the number of protons and neutrons
d)
the number of protons and electrons
62.
Where are neutrons located within an atom?
a)
nucleus
b)
electron cloud
c)
neutron
d)
who knows?
63.
Where are electrons located in an atom?
a)
nucleus
b)
electron cloud
c)
neutron
d)
who knows?
64.
If you alter the number of neutrons in an atom, what do you create?
a)
ions
b)
isotopes
c)
atoms
d)
radioactivity
65.
An atom's protons and neutrons are concentrated in a dense, central region called the...
a)
electron cloud
b)
nucleus
c)
proton
d)
neutron
66.
An atom with more electrons than its protons would be a________.
a)
cation ( a positive ion)
b)
lil' sparky
c)
anion ( a negative ion)
d)
radioisotope
67.
tend to be good conductors of heat and electricity
a)
Non Metals
b)
Metals
c)
metalloids
d)
hydrogen
68.
as you move from left to right on the periodic table, elements become
a)
Less Metallic
b)
more metallic
c)
more reactive
d)
less reactive
69.
Mendeleev studied elements and looked for
a)
properties
b)
reactions
c)
patterns
d)
atomic numbers
70.
conduct heat and electricity under certain conditions
a)
metalloids
b)
non metals
c)
metals
d)
gallium
71.
are in group 18
a)
noble gases
b)
halogens
c)
alkali metals
d)
alkaline earth metals
72.
are located in the center of the periodic table
a)
metals
b)
nonmetals
c)
transition metals
d)
hydrogen
73.
elements in the same family have similar _________ and ____________ properties
a)
chemical/reaction
b)
chemical/physical
c)
physical/mental
d)
reactions/chemical
74.
are shiny
a)
nonmetals
b)
noble gases
c)
halogens
d)
metals
75.
some elements are highly ____________ because their outer most energy levels are partially filled
a)
ugly
b)
non-reactive
c)
reactive
d)
prized
76.
a groups elements react similarly because of their
a)
protons
b)
neutrons
c)
valence electrons
d)
non-valence electrons
77.
one of the most important features of the Mendeleev periodic table is that it predicts new ____________
a)
Elements
b)
properties
c)
chemical symbols
d)
futures
78.
is the noble gasses
a)
Group 17
b)
Group 18
c)
Group 1
d)
Group 2
79.
silicon has properties of metals and no metals so it is a _________________
a)
inception
b)
semiconductor
c)
transition metal
d)
conductor
80.
the modern periodic table is arranged by
a)
atomic number
b)
atomic mass
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