WorksheetsPhysical Science Midterm
Total questions: 63
Worksheet time: 35mins
Name
Class
Date
1.
The application of science is ______________________?
a)
development
b)
technology
c)
experimentation
2.
___________ is made up of small electrically charged particles, found in stars, found where temperature and pressure are very high.
a)
solid
b)
liquid
c)
gas
d)
plasma
3.
_______particles are able to slide past each other; has a definite volume, but no definite shape.
a)
solid
b)
liquid
c)
gas
d)
plasma
4.
_______ particles are tightly packed and can only vibrate in place.
a)
solid
b)
liquid
c)
gas
d)
plasma
5.
_______particles are spread far apart and are in constant motion; has no definite shape or volume.
a)
solid
b)
liquid
c)
gas
d)
plasma
6.
A change from one state of matter to another is called a ______________
a)
chemical reaction
b)
phase change
c)
diffusion
d)
particle alignment
7.
Pressure is measured what unit?
a)
Boyle’s
b)
Pascals
c)
Meters
d)
degrees
8.
Solids have particles that stay in place and are very organized while gases have particles that…
a)
have a indefinite shape and volume
b)
have limited shape and volume
c)
have a definite shape and volume
d)
have definite shape and indefinite volume
9.
What is happening at B?
a)
Melting
b)
Boiling
c)
Sublimation
d)
Deposition
10.
What is happening at A?
a)
Melting
b)
Freezing
c)
Sublimation
d)
Deposition
11.
How are the particles in gases attracted?
a)
weakly
b)
strongly
c)
atomic lattice structures
d)
radioactively
12.
The diagram above shows what phase of matter?
a)
solid
b)
liquid
c)
gas
d)
plasma
13.
The diagram above shows what phase of matter?
a)
solid
b)
liquid
c)
gas
d)
plasma
14.
The diagram above shows what phase of matter?
a)
solid
b)
liquid
c)
gas
d)
plasma
15.
Which phase of matter has the weakest attraction between its particles?
a)
plasma
b)
solid
c)
liquid
d)
gas
16.
Which phase of matter has the strongest attraction between its particles?
a)
plasma
b)
solid
c)
liquid
d)
gas
17.
To correctly balance the following chemical equation a coefficient of ___________ is needed in the blank.
(NH4)2CO3 → _____ NH3 + H2O + CO2
(NH4)2CO3 → _____ NH3 + H2O + CO2
a)
1
b)
2
c)
3
d)
4
18.
To correctly balance the following chemical equation a coefficient of ___________ is needed in the blank.
____FeI2 + 2AlPO4 → Fe3(PO4)2 + 2AlI3
____FeI2 + 2AlPO4 → Fe3(PO4)2 + 2AlI3
a)
1
b)
2
c)
3
d)
4
19.
A substance that changes the rate of a chemical reaction is a ________________________________
a)
substrate
b)
catalysts
c)
products
d)
reactants
20.
You can NOT balance an equation by changing the ___________________________________
a)
formulas
b)
subscripts
c)
compounds.
d)
all of the above
21.
The numbers used to balance chemical equations by writing them in front of the chemical formulas are called______________________________
a)
subscripts
b)
exponents
c)
coefficients
d)
variables
22.
The arrow in a chemical equation means _____________________ or ________________________
a)
left or right
b)
up or down
c)
equal or unequal
d)
gives or yields
23.
______________________________________ is a reaction where atoms of one element take the place of atoms of another element or where there is one “switch”
a)
single displacement
b)
double displacement
c)
synthesis
d)
decomposition
24.
______________________________________ is a reaction where 2 compounds exchange or “switch” ions
a)
single displacement
b)
double displacement
c)
synthesis
d)
decomposition
25.
_______________________is a reaction where 2 or more substances form a new substance
a)
single displacement
b)
double displacement
c)
synthesis
d)
decomposition
26.
_______________________is a reaction where one compound breaks down into 2 or more new parts
a)
single displacement
b)
double displacement
c)
synthesis
d)
decomposition
27.
_______________________ is a reaction where a compound is broken down by an electrical current.
a)
electrolysis
b)
polymerization
c)
combustion
d)
decomposition
28.
Substances that are the result of a chemical reaction are _________________________.
a)
substrates
b)
catalysts
c)
products
d)
reactants
29.
During chemical reactions atoms are never ________________________ or ______________________.
a)
created , destroyed
b)
added, subtracted
c)
lost, found
d)
made, broken
30.
Substances that undergo a chemical change are ________________________________ .
a)
substrates
b)
catalysts
c)
products
d)
reactants
31.
The correct chemical formula for the compound dinitrogen monoxide is_________________.
a)
N2O
b)
NO2
c)
N3O
d)
N2O3
32.
The correct chemical formula for the compound barium arsenide is_________________
a)
B2As3
b)
B3As2
c)
Ba2As3
d)
Ba3As2
33.
The correct name for the covalent compound PCl3 is___________________________
a)
Potassium chloride
b)
Phosphorus chloride
c)
Phosphorus trichloride
d)
Phosphorus (III) chloride
34.
The correct name for the ionic compound CaO is___________________________
a)
Calcium monoxide
b)
Carbon monoxide
c)
Calcium (I) oxide
d)
Calcium oxide
35.
The correct name for the ionic compound K2O is___________________________
a)
Dipotassium monoxide
b)
Potassium oxide
c)
Calcium (I) oxide
d)
Calcium oxide
36.
For two-element covalent compounds ______________ tell how many atoms of each element are in the molecule
a)
subscripts
b)
numerical prefixes
c)
charges.
d)
atomic numbers.
37.
When electrons are shared unequally in a covalent bond, they are _____________
a)
polar
b)
nonpolar
c)
neutral
d)
ions
38.
When electrons in covalent bonds are shared equally, they are ____________
a)
polar
b)
nonpolar
c)
neutral
d)
ions
39.
During ionic bonding, electrons are ______________.
a)
shared
b)
transferred
c)
lost
d)
destroyed
40.
_________________________ form when atoms share one or more pairs of electrons.
a)
ionic bonds
b)
covalent bonds
c)
metallic bonds
d)
Noble bonds
41.
Covalent bonds form between __________________.
a)
a metal and nonmetal
b)
two nonmetals
c)
two subatomic particles in the nucleus
d)
two metals
42.
Negatively charged ions are called _____________
a)
nonmetals
b)
cations.
c)
anions
d)
metals
43.
Positively charged ions are called _____________
a)
nonmetals
b)
cations.
c)
anions
d)
metals
44.
The ____________________ ________________ are found in groups 3-12 of the periodic table
a)
metalloids
b)
halogens
c)
semiconductors
d)
transition metals
45.
The weighted average of the masses of all naturally occurring isotopes of an element is an atom’s ________________ ____________ _________
a)
atomic mass unit
b)
average atomic mass
c)
mass number
d)
atomic number
46.
__________________ are atoms of the same elements with different numbers of neutrons
a)
Ions
b)
Cations
c)
Anions
d)
Isotopes
47.
The ____________ ________ equals the total number of protons and neutrons
a)
atomic mass unit
b)
mass number
c)
average atomic mass
d)
atomic number
48.
Electrons found in the outermost energy level are called _______________ electrons
a)
outer
b)
valence
c)
atomic.
d)
nuclear
49.
The number of protons in an atom is the______________________
a)
atomic mass unit
b)
average atomic mass
c)
mass number
d)
atomic number
50.
Elements in the same group have similar properties because they have the same number of ________________
a)
protons
b)
electrons
c)
valence electrons
d)
neutrons
51.
The vertical rows on the Periodic Table are called__________________
a)
families
b)
periods
c)
groups
d)
regions
52.
The _________________________ states that when elements are arranged in order of increasing atomic number their properties tend to change in a regular pattern
a)
Atomic Theory
b)
Law of Periodicity
c)
Kinetic Theory
d)
Law of Conservation of mass
53.
The horizontal rows on the Periodic Table are called____________________
a)
families
b)
periods
c)
groups
d)
regions
54.
On the Periodic Table elements are arranged in order of__________________________________
a)
increasing atomic number
b)
increasing atomic mass
c)
increasing valence electrons
d)
all of the above
55.
The __________________________ arranges elements in order of increasing atomic number
a)
Periodic Table of Elements
b)
Atomic Theory
c)
Periodic Law
d)
International System of Measurement
56.
Lead has a density of 11.3 g/cm3. What is the volume of a block of lead with a mass of 282.5 g?
a)
2.5 cm3
b)
25 cm3
c)
250 cm3
d)
2500 cm3
57.
The law of conservation of mass states that mass cannot be______________________________
a)
burned.
b)
changed in form.
c)
created or destroyed.
d)
heated or cooled.
58.
The change of a substance from a solid directly to a gas is called________________________
a)
condensation
b)
evaporation
c)
melting.
d)
sublimation
59.
Which state of matter will hold its shape without a container?
a)
solid
b)
liquid
c)
gas
d)
plasma
60.
The chemical formula for table sugar is C12H22O11. How many oxygen atoms are in each sugar molecule?
a)
2
b)
11
c)
12
d)
22
61.
The smallest unit of a substance that behaves like the substance is________________________
a)
an element
b)
an atom
c)
a molecule
d)
a compound
62.
A substance that cannot be broken down into simpler substances is______________________
a)
a compound
b)
a mixture
c)
an element
d)
an atom
63.
______________________ is anything that has mass and occupies space
a)
An atom.
b)
An element.
c)
matter
d)
A compound.
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