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WorksheetsPhysical Science 2025 Spring Final Exam review
Total questions: 77
Worksheet time: 39mins
A testable prediction based on observations is a(n) __________________________.
Experiment
Hypothesis
Exercise
Variable
In an experiment, this factor changes because of the independent variable. It is usually what we measure in an experiment.
Control
Constant
Hypothesis
Dependent Variable
On a graph, the variable on the horizontal (x) axis is the _____.
variable with the largest range
variable with the smallest range
independent variable
dependent variable
In an experiment, we leave one thing “normal” to compare the experimental results to. What is this called?
Dependent Variable
Independent Variable
Constant
Control
An idea, event, or object that can be used to represent something you are trying to explain is a
model
constant
hypothesis
variable
______ occurs when a scientist's conclusions are influenced by personal or financial gain. This is a negative thing that scientists try to avoid.
conclusion
bias
error
fallacy
A unit of measurement that is obtained by combining other units is a ______ unit.
standard
metric
base
derived
What is the standard unit of measure for length?
L
m
K
s
When an object's acceleration is _________________, it slows down
positive
negative
constant
zero
Distance and direction of an object from its starting point.
acceleration
speed
velocity
displacement
Velocity is the combination of speed and
distance
displacement
direction
acceleration
The law of conservation of charge states?
the mass of all substances present before a chemical change equals the mass of all the substances remaining after the change
charge can be created and destroyed but not transferred
charge cannot be created nor destroyed but can be transferred
What is the unit of measure for speed?
S
m/s
m/s/s
newton
What is the unit of measure for force?
gram
kilogram
newton
amp
What is the unit of measure for power?
watt
what
joule
volt
What is the unit of measure for work?
W
watts
joule
ohm
What is the formula for calculating momentum?
E=mc
P=mv
s=d/t
1/2m*v2
The friction you experience when you push an object and it doesn't move is?
Static friction
Sliding friction
Rolling Friction
Kinetic friction
The tendency of an object to resist any change in its state of motion is called___________________.
resistance
momentum
acceleration
inertia
Acceleration towards the center of a curved path is called ________________ acceleration.
centrifugal
centripetal
projectile
average
Acceleration can change an object's ___________________
Speed
direction
mass
speed and direction
Acceleration can make an object ________________
speed up
slow down
change direction
all of these
You run 400 m around the track and stop at the exact same place you started. Your total distance is?
0 m
-200 m
200 m
400 m
Two identical cars are involved in a collision. If the total momentum before the collision was 140,000 kg x m/s, what is the total momentum after the crash?
70,000 kg x m/s
140,000 kg x m/s
200,000 kg x m/s
0
You drop a crumpled piece of paper and a flat piece of paper. The crumpled piece of paper hits the ground first, why?
Crumpling the paper adds mass which makes it accelerate
The flat paper has less weight, so gravity doesn't pull it as fast
The crumpled paper has less air resistance
The flat paper has less air resistance
Total amount of PE and KE in a system
work
efficiency
mechanical advantage
mechanical energy
An object reaches terminal velocity when ...
there is no air resistance
the speed reverses
air resistance is equal to its acceleration
objects fall faster than their acceleration
If you were to travel to another planet where the gravity was different , your weight would be the same.
true
false
If an object is acted on by an unbalanced force it will always move.
true
false
Gravitational potential energy depends on height and ________________.
mass
weight
force
speed
Ratio of output force to input force
mechanical advantage
work
efficiency
mechanical energy
Stored energy is called
kinetic energy
potential energy
thermal energy
radiant energy
The force that keeps an object in orbit is?
Centripetal force
Centrifugal force
Angular force
magnetism
Heat energy is also called ?
kinetic energy
potential energy
thermal energy
radiant energy
Light energy is known as...
kinetic energy
potential energy
thermal energy
radiant energy
Energy stored in things above the surface of the Earth is
kinetic energy
gravitational potential energy
thermal energy
radiant energy
Kinetic energy depends on mass and ______
force
height
velocity
speed
Which is designed to turn chemical potential energy into electrical energy?
parallel circuit
series circuit
battery
resistor
_______________ energy is stored in objects that are compressed or stretched.
elastic kinetic
chemical kinetic
elastic potential
chemical potential
Force and motion must be ___________ for work to be done.
at right angles to each other
in the same direction
balanced
zero
How does a ramp make it easier to move heavy objects?
it decreases the distance traveled and decreases the force needed
it decreases the distance travelled and increases the force needed
it increases the distance travelled and decreases the force needed
it increases the distance travelled and increases the force needed
When does this pendulum have the least GPE
A
B
C
D
Which term best describes the relationship between KE and PE?
direct proportion
inverse proportion
equal proportion
balanced proportion
If the particles of an object begin to move quickly, their average kinetic energy ______________ and the object's temperature ______________.
increase, falls
increases, rises
decreases, falls
decreases, rises
________________ is a measure of the average kinetic energy of all the particles that make up an object.
density
conduction
radiation
temperature
If the particles of an object begin to move quickly, their average kinetic energy ______________ and the object's temperature ______________.
increase, falls
increases, rises
decreases, falls
decreases, rises
Thermal energy is the _______ of the particles in a system.
average KE
temperature
total energy ( KE + PE)
PE
The transfer of thermal energy through the collision of particles is called....
conduction
confluence
convection
radiation
Which of these would be the best thermal conductor?
a vacuum
a feather coat
a brick wall
a copper wire
Which of these can spread thermal energy through convection?
solids
solids and liquids
liquids and gasses
solids, liquids, and gasses
____ is the transfer of energy in the form of electromagnetic waves.
conduction
convection
radiation
magnetism
A material that does not allow thermal energy to pass through easily is called?
thermal conductor
fluid
thermal insulator
current
The water at the bottom of the swimming pond is cooler than the water on the surface because of....
conduction
convection
thermal insulation
thermal conduction
Which of these would you expect to find in a house that uses passive solar heating?
solar collectors
heat pump
electrical coils in the walls
wall of large windows
Specific heat is the amount of thermal energy needed to raise 1 ________ of a material by 1 _______
gram, degree celsius
kilogram, degree celsius
gram, degree fahrenheit
kilogram, fahrenheit
The study of the relationships between thermal energy, heat, and work is called thermodynamics.
true
false
According to the 2nd law of thermodynamics, heat flow can be reversed if work is done.
true
false
Heat energy comes to the Earth from the Sun via convection
true
false
The color white will absorb more heat than the color black.
true
false
The tendency of an object to resist any change in its state of motion is called___________________.
resistance
momentum
inertia
acceleration
An object reaches terminal velocity when the air resistance is equal to its acceleration.
true
false
If you were to travel to another planet where the gravity was different , your weight would be the same.
true
false
Which of these is NOT a simple machine?
pencil
lever
inclined plane
wheel and axle
The closer 2 objects are, the greater the gravitational force is between them.
true
false
For every action there is an equal and opposite reaction.
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Newton's 4th law
Force is equal to mass times acceleration.
Newton's 1st law
Newton's 2nd law
Newton's 3 rd law
Newton's 4 th law
"An object at rest will remain at rest unless acted on by an outside force" is?
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Newton's 4th law
Which of these does not affect terminal velocity?
speed
shape
mass
size
Ratio of output work to input work
work
mechanical advantage
efficiency
mechanical energy
Energy stored in chemical bonds is called?
Chemical Potential Energy
GPE
energy
law of conservation
This changes because of the independent variable. It is usually what we measure or count
control
constant
dependent variable
independent variable
Energy of motion is called?
potential energy
kinetic energy
thermal energy
radiant energy
The ability to cause change is called
GPE
Chemical Potential Energy
energy
law of conservation
Which of these are units for thermal energy? (more than 1 answer)
joules
calories
Calories
watts
lumens
Conduction is the only transfer of thermal energy that does not need matter.
true
false
The type of graph best used to display a fixed quantity broken down into percentages is:
line graph
bar graph
data table
pie graph
A measurement standard is:
the interval between two events
an exact quantity that people agree to use for comparison
the distance between two points
a system of prefixes
