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WorksheetsEOY Review
Total questions: 90
Worksheet time: 45mins
Define velocity.
speed of an object in a given direction
rate at which an object changes velocity
an object's overall change in position
an object will continue in a state of motion until acted on by an outside force
Write the equation for velocity.
d / t
vf - vi / t
ma
mg
A student walks 0.5 miles south to school in 15 minutes. What is the student's velocity?
0.03 m/s
7.5 m/s
30 m/s
15.5 m/s
Define acceleration.
speed of an object in a given direction
rate at which an object changes velocity
an object's overall change in position
an object will continue in a state of motion until acted on by an outside force
Write the equation for acceleration.
d / t
vf - vi / t
ma
mg
A student is running 10 m/s. The student accelerates to a final velocity of 20 m/s in 10 seconds. What is the student's acceleration?
1 m/s2
200 m/s2
20 m/s2
.5 m/s2
Define displacement.
speed of an object in a given direction
rate at which an object changes velocity
an object's overall change in position
an object will continue in a state of motion until acted on by an outside force
A student leaving school walks 2.5 miles north and then 1 mile south. What is the student's displacement?
1.5 miles N
1.5 miles S
3.5 miles N
3.5 miles S
Define force.
speed of an object in a given direction
a push or pull exerted on an object
an object's overall change in position
an object will continue in a state of motion until acted on by an outside force
Write the equation for force.
d / t
vf - vi / t
ma
mg
What is the unit for force?
newtons
joules
hertz
m/s
How much force is needed to accelerate a 44 kg box at 2 m/s2?
88 N
22 N
42 N
46 N
Define free-fall.
a downward movement due to gravity only
rate at which an object changes velocity
an object's overall change in position
an object will continue in a state of motion until acted on by an outside force
A box exerts 50 N of force on the floor, how much force is the floor exerting back on the box?
50 N
25 N
100 N
75 N
Acceleration due to gravity equals:
9.81 m/s2
100 m/s2
6.02 m/ss
19.53 m/s2
What is the force on a 66 kg person free falling from an airplane?
647.46 N
6.73 N
.14 N
66 N
What is the net force of the box?
50 N right
50 N up
100 N left
100 N down
50 N left
50 N down
100 N right
100 N up
Define inertia.
a downward movement due to gravity only
rate at which an object changes velocity
an object's overall change in position
an object will continue in a state of motion until acted on by an outside force
What factor affects inertia?
mass
distance
boiling point
charge
The momentum in a closed system is conserved, meaning the momentum is constant if no external forces are acting on the object.
This statement is the:
Law of Conservation of Momentum
Law of Conservation of Mass
Law of Conservation of Energy
Law of Conservation of Inertia
What is magnetism?
speed of an object in a given direction
rate at which an object changes velocity
the force exerted by magnets when they attract or repel each other
an object will continue in a state of motion until acted on by an outside force
What is the source of all magnetism?
the motion of electric charges
speed of an object
a push or pull exerted on an object
the moon
What two factors affect the amount of gravity between two objects?
mass & distance
mass & density
distance & density
density & charge
Define electrostatic force.
the motion of electric charges
the attractive or repulsive forces between particles caused by their electric charges
a push or pull exerted on an object
speed of an object
Two charged objects have a repulsive electrostatic force of 2 N. The charge of one of the objects doubles, what is the new force?
2 N
4 N
8 N
1 N
What type of circuit does the image represent?
parallel
series
What type of circuit does the image represent?
parallel
series
What type of circuit does the image represent?
parallel
series
What type of circuit does the image represent?
parallel
series
Define convection.
the transfer of thermal energy in a fluid by the movement of warmer and cooler fluids
the transfer of thermal energy through collisions between the particles that make up matter
the transfer of energy by electromagnetic waves
the process of waves spreading out as a result of passing through a narrow space
Define conduction.
the transfer of thermal energy in a fluid by the movement of warmer and cooler fluids
the transfer of thermal energy through collisions between the particles that make up matter
the transfer of energy by electromagnetic waves
the process of waves spreading out as a result of passing through a narrow space
Define radiation.
the transfer of thermal energy in a fluid by the movement of warmer and cooler fluids
the transfer of thermal energy through collisions between the particles that make up matter
the transfer of energy by electromagnetic waves
the process of waves spreading out as a result of passing through a narrow space
Which method can occur in a vacuum?
convection
conduction
radiation
diffraction
What is constructive interference?
when waves meet “in phase”
when waves meet “out of phase”
when a wave bounces back from a boundary of one medium to another
when a wave spreads out when passing through a narrow space
What is destructive interference?
when waves meet “in phase”
when waves meet “out of phase”
when a wave bounces back from a boundary of one medium to another
when a wave spreads out when passing through a narrow space
Define reflection.
when a wave bounces back from a boundary of one medium to another
the bending of waves as they pass into another medium
the transfer of energy by electromagnetic waves
the process of waves spreading out as a result of passing through a narrow space
Define refraction.
when a wave bounces back from a boundary of one medium to another
the bending of waves as they pass into another medium
the transfer of energy by electromagnetic waves
the process of waves spreading out as a result of passing through a narrow space
Define diffraction.
when a wave bounces back from a boundary of one medium to another
the bending of waves as they pass into another medium
the transfer of energy by electromagnetic waves
the process of waves spreading out as a result of passing through a narrow space
The image represents:
reflection
refraction
diffraction
The image represents:
reflection
refraction
diffraction
The image represents:
reflection
refraction
diffraction
Define renewable energy.
comes from natural resources that
are naturally replenished
comes from natural resources
that are not naturally replenished
transfer of energy by electromagnetic waves
objects then do not allow heat to be transferred through them very well
Define nonrenewable energy.
comes from natural resources that
are naturally replenished
comes from natural resources
that are not naturally replenished
transfer of energy by electromagnetic waves
objects then do not allow heat to be transferred through them very well
solar energy
renewable
nonrenewable
wind energy
renewable
nonrenewable
nuclear energy
renewable
nonrenewable
geothermal energy
renewable
nonrenewable
A common disadvantage for renewable energy is the high cost.
true
false
Horizontal rows are called:
periods
groups
ionics
covalents
Vertical columns are called:
periods
groups
ionics
covalents
What determines the identity of an atom?
protons
neutrons
valence electrons
mass
What determines the chemical behavior of an atom?
protons
neutrons
valence electrons
mass
Group #1 =
alkali metals
1 valence electron
alkaline earth metals
2 valence electrons
halogens
7 valence electrons
noble gases
8 valence electrons
Group #2 =
alkali metals
1 valence electron
alkaline earth metals
2 valence electrons
halogens
7 valence electrons
noble gases
8 valence electrons
Group #17 =
alkali metals
1 valence electron
alkaline earth metals
2 valence electrons
halogens
7 valence electrons
noble gases
8 valence electrons
Group #18 =
alkali metals
1 valence electron
alkaline earth metals
2 valence electrons
halogens
7 valence electrons
noble gases
8 valence electrons
Which group of metals is the most reactive?
alkali metals
alkaline earth metals
halogens
noble gases
Which group of nonmetals is the most reactive?
alkali metals
alkaline earth metals
halogens
noble gases
Which group is unreactive?
alkali metals
alkaline earth metals
halogens
noble gases
How many electrons are in full octet?
2
6
8
10
What group would oxygen bond with to fill the octet?
alkali metals
alkaline earth metals
halogens
noble gases
An ionic bond is between:
metal & nonmetal
metal & metal
nonmetal & nonmetal
metal & gas
The motion of a solid is:
vibrating
sliding
colliding
The motion of a liquid is:
vibrating
sliding
colliding
The motion of a gas is:
vibrating
sliding
colliding
The energy of a solid is:
low
medium
high
The energy of a liquid is:
low
medium
high
The energy of a gas is:
low
medium
high
Write the equation for density.
d / t
vf - vi / t
m / v
mg
Determine the density of an object with a mass of 20 kg and a volume of 5 cm?
100 kg / cm3
4 kg / cm3
0.25 kg / cm3
10 kg / cm3
Define buoyancy.
how much mass is packed into a given volume
the ability or tendency to float in water or some other fluid
positive and negative ions being pulled apart
a push or pull exerted on an object
Object A has a density of 10 g/cm3 and Object B has a density of 20 g/cm3. Which object would have more buoyancy?
Object A
Object B
What is a physical change?
a change in a substance that does not involve a change in the identity of the substance
a change in which one or more substances are converted into different substances
What is a chemical change?
a change in a substance that does not involve a change in the identity of the substance
a change in which one or more substances are converted into different substances
If water changes between a solid, liquid, or gas, this is considered which type of change?
physical change
chemical change
How can you increase the rate of solubility of solids in water? Select all that apply.
increase temperature
decrease surface area
increase stirring
increase pressure
Define dissociation.
how much mass is packed into a given volume
the ability or tendency to float in water or some other fluid
positive and negative ions being pulled apart
a push or pull exerted on an object
The mass of a reaction must remain constant from reactants to products.
This statement is the:
Law of Conservation of Momentum
Law of Conservation of Mass
Law of Conservation of Energy
Law of Conservation of Inertia
How can we determine if a chemical equation is balanced?
the reactants and products have the same charge
the number of atoms on the reactants side is the same as the number of atoms on the products side
the coefficients on the reactants side are the same as the coefficients on the products side
the subscripts are the same on the reactants side and the products side
Balance the following equation:
___ Ca + ___ AlN → ___ Ca3N2 + ___ Al
3, 2, 1, 2
1, 2, 3, 4
3, 3, 2, 2
2, 1, 2, 3
Which side of the chemical equation is the reactants?
left
right
Which side of the chemical equation is the products?
left
right
Define fusion reactions.
the process of splitting a nucleus to create smaller nuclei and neutrons
the process of combining nuclei to create a larger nucleus
Define fission reactions.
the process of splitting a nucleus to create smaller nuclei and neutrons
the process of combining nuclei to create a larger nucleus
Define isotope.
atoms of the same element with a different number of neutrons
positively-charged particle
negatively-charged particle
objects that do not allow heat to be transferred through them very well
How many neutrons does carbon-14 have?
14
8
6
10
How many neutrons does uranium-238 have?
146
238
92
100
How many neutrons does chlorine-36 have?
19
36
7
17
What gaseous compound directly led to the depletion of the ozone layer?
chlorofluorocarbons
amino acids
chlorine gas
hydrocarbons
Batteries disposed of improperly can contaminate the soil and water with:
metals
acids
oil
greenhouse gases
