Physical Science Day Starters

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Title: Physical Science Day Starters

1
Physical Science Day Starters
2
5 Question Quiz.

You are going to do an experiment on plants. You
plant 12 beans. You give them all 10 mL of water
each day, but to six of them you add 2 mL of
acetic acid.
The independent variable is
The acetic acid d. The second six bean plants
The 10 mL of water e. The growth of the beans
with the acid
The dependent variable is
The acetic acid c. The second six bean plants
b. The 10 mL of water d. The grown of the
beans with the acid
The control is
The acetic acid c. The growth of the beans
without acid
The growth of the beans with the acid d. The
dirt the beans grow in
The constant is
The acetic acid c. The growth of the beans
without the acid
The growth of the beans with the acid d. The
dirt the beans grow in
A bias is
When one side wins the argument c. A
preconceived notion
A poorly done experiment d. An experiment with
two variables

The variable that you, as a scientist, can change
is what?
Dependent variable c. Control variable
Independent variable d. Constant variable
Density is found by what formula?
Mass x Volume c. Mass Volume
Mass Volume d. Mass - Volume
How many grams are their in a kilogram"
10 c. 100
1,000 d. 1,000,000
Time will generally be a
Constant c. Independent variable
Dependent variable d. Control
During a fire drill
Move in an orderly manner, out the door c. Sit
paralyzed by fear and indecision
Run as fast as you can. Some one has to be
first!!! D. Don't worry, it's just a drill
When thinking of the rules and procedures in this
room,
Don't worry. Mr. Monroe is an understanding
type c. Worry. Mr.. Monroe is just plain evil.
Follow them, and you don't need to worry d.
Always test them to see if Mr.. Monroe means it.

1. On a line graph, the dependent variable goes
on the
"y" axis c. "x" axis
Where it fits best d. Dependent variables are
used on bar charts
2. To show the percentage of various types, one
would probably use
Line graph c. Scatter graph
Bar graph d. Pie graph
3. How many meters are there in one millimeter?
.1 c. .001
.01 d. .0001
4. When plotting temperature and time,
temperature would probably be what?
Constant c. Independent variable
Dependent variable d. Control
5. A scientific law is what?
No longer even tested c. Irrefutable
Really nothing more than a good idea d. Always
gives accurate results during testing
6. How many degrees on a pie chart would be
shown for 125 Chihuahuas, out of a total of 989
dogs?
12.6º c. 45.5º
12.5º d. 33.3º

What changes with the change of the independent
variable?
a. Control c. Dependent variable
b. Constant d. Bias
What goes on the x axis?
a. Control c. Dependent variable
b. Constant d. Independent variable
What is the formula for density?
a. Mass x Volume c. Volume Mass
b. Mass Volume d. Volume Mass
What is a preconcieved notion, that may influence
the way a scientist looks at an experiment.
a. Control c. Bias
b. Independent variable d. Dependent variable
A scientist is doing an experiment, and comparing
the amount a plant grows, when given different
amounts of sunlight, water and types of dirt.
What are the three independent variables?
a. Sunlight, dirt type and plant growth c.
Sunlight, water and dirt type
b. Water, dirt type and plant growth d. Plant
growth, water and sunlight

6
Two Question Quiz.

How many meters are there in 68.4 feet?
_______________________________________
What is the volume of a box that measures
55.4 cm x 26.9 cm x 98.2 cm?
________________________________________

7
Two Question Quiz.
What is the volume of a box that measures 55.4 cm
x 26.9 cm x 98.2 cm?
55.4 cm x 26.9 cm x 98.2 cm 146,344 cm3
8

On a line graph, the dependent variable goes on
the
"y" axis c. "x" axis
Where it fits best d. Dependent variables are
used on bar charts
To show the percentage of various types, one
would probably use
Line graph c. Scatter graph
Bar graph d. Pie graph
How many meters are there in one millimeter?
.1 c. .001
.01 d. .0001
When plotting temperature and time, temperature
would probably be what?
Constant c. Independent variable
Dependent variable d. Control
A scientific law is what?
No longer even tested c. Irrefutable
Really nothing more than a good idea D. Always
gives accurate results during testing
How many degrees on a pie chart would be shown
for 125 Chihuahuas, out of a total of 989 dogs?
45.5

How many kilometers are there in 567 meters?
How many meters are there in 34.5 inches?
There are 2 cups to a pint, 2 pints to a quart, 4
quarts in a gallon, and a gallon of a certain
liquid weights 13.5 pounds. How many cups would
there be in 45.8 pounds of the liquid?

Displacement can be
Sometimes larger than distance c. Sometimes
shorter than distance
Equal to or less than distance d. Equal to or
more than distance
Velocity
Includes stopping c. Includes direction
Is found with speed d. Is speed AND time
To determine speed, a reference point
Is always needed c. Can change
Is helpful, not ALWAYS needed d. Is needed
twice
The steepness of the slope on a time/distance
graph will indicate
Speed c. Velocity
Time d. Distance
A negative slope on a displacement/time graph
will indicate
Slowing down c. Coming home
Speeding up d. Changing speed

11
In what segment is the movement the
slowest? ________________________ In what
segment is the movement the fastest? _____________
____________ In what segment is there no
movement? __________________________
DISTANCE
D
B
C
A
Time
12
In what segment is there constant
speed? ________________________ In what segment
is the acceleration the fastest? _________________
________ In what segment is there no
movement? __________________________
Speed
D
B
C
A
Time
13

A car accelerates from 3.5 m/s to 8.9 m/s in 17.8
seconds. What is its rate of acceleration?
0.30 m/s c. 0.30 m/s2
2.0 m/s/s d. -5.4 m/s/s
A car traveled for 2.3 hours at an average rate
of 45.7 miles per hour. How far did it travel?
19.9 miles per hour c. 19.9 miles
105.1 miles d. 90.6 miles
A spaceship is accelerating at a rate of .75
m/s/s. It accelerates for 1,245 seconds. What
is its final speed?
a. 1,660.0 m/s c. 1,660 m/s/s
933.8 m/s/s d. 933.8 m/s
A spaceship is accelerating at a rate of .5
m/s/s. It accelerates for 5.6 minutes. What is
its final speed in standard SI units?
2.8 m/min c. 11.2 m/s
9,990 m/s d. 168 m/s

Displacement can be?
More than distance c. Equal to distance
Less than distance d. Equal or less than
distance
Force is dependent upon?
Acceleration c. Power
Mass and velocity d. Mass and acceleration
What is the net force acting on a 7-kg object,
moving at 4.5 m/s?
1.55 Newtons c. 11.5 Newtons
31.5 Newtons d. 0 Newtons

If a string is being swung in a clockwise
direction, and it breaks in the position shown,
what will happen to the ball?
It will go to the upper right, straight, and will
slow down
It will curl to the right and up, at the same
speed
It will go to the upper right at a constant speed
It will go to the upper left and up at a
decreasing speed
Gravity is determined by
Mass
Distance
Mass and velocity
Distance and mass

1. Newtons is a?
Measure of weight c. Measure of force
Measure of mass d. a and c
2. Gravitational force is dependent upon what?
Mass c. Distance
Weight d. Mass and Distance
3. What has more force of gravity?
A car c. Force of gravity is the same
A tricycle d. Gravity has no force, only mass
does
4. What does a horizontal line on a
distance/time graph mean?
Constant acceleration c. Constant speed
No motion d. Instantaneous movement
5. If a ball is swinging on the end of a string,
and the string breaks, what will be the motion of
the ball?
In a direction of a line tangent to the circle,
with constant speed
In a curling direction, similar but farther away
from the circle of the ball and string
In a direction of a line tangent to the circle,
with decreasing speed
In a direction straight away from the circle,
with a constant speed

16
Calculate the speed of an object that moves 345.1
meters in 4.6 seconds. Calculate the
acceleration of an object that has a mass of 34.7
kilograms, and is being pushed with a force of
23.4 Newtons? How far will a rock fall, in
Earth gravity, in 33.6 seconds? How fast will
an accelerating object be moving in 46.8 seconds,
if it is accelerating at a constant rate of 1.3
meters per second per second?
17

Motion is a change in ____.
a. time c. velocity
b. speed d. position
The relationship among speed, distance, and time
is ____.
a. t s/d c. s dt
b. d t/s d. s d/t
If you ride your bike up a hill, then ride down
the other side, your acceleration is ____.
a. all positive c. first positive, then negative
b. all negative d. first negative, then positive
For any object, the greater the force that's
applied to it, the greater its ____ will be.
a. acceleration c. inertia
b. gravity d. velocity
The unit of momentum is ____.
a. kg x m c. kg x m/s2
kg x m/s d. m/s2

18
A ball attached to a string is being swung
in a clockwise circular path as shown in Figure
3-1. Assume the string breaks at point A. In
which direction will the ball be traveling an
instant later? a. direction a c. direction
c b. direction b d. direction d A ball falls
from a certain height, on Earth, for a time of
35.0 seconds. What is the distance that it has
fallen from? There is no air resistance. Show
your work for credit, and round all answers to
one decimal place. A traveler moves exactly
north 5.0 kilometers, then east exactly 6.0
kilometers. The traveler did all this in 7.0
minutes. What is the average velocity of the
traveler in km/min? Show your work for credit,
show to one decimal place.
19

A force is
a. A push or a pull c. Something that causes
change
b. Gravity d. The opposite of a pull
An object is being accelerated at 35 m/s/s. The
force being applied is 17.5 Newtons. What is the
mass of the object?
a. 17.5 kilograms c. .5 kilograms
b. 2 kilograms d. 42.5 kilograms
Gravity is dependent upon what?
a. Mass c. Distance
b. Mass and Distance d. Distance divided by
mass
Weight is mass
a. Times gravity c. Divided by gravity
b. And nothing else d. On Earth
A meter is about
a. One foot c. One yard
b. One mile d. What is a meter?

Energy is what?
a. The change in something c. The ability to
cause change
b. How far something moves d. How fast times
how far something moves
Energy is measured in what?
a. Kilograms c. Ergs
b. P d. J
What is the formula for kinetic energy?
a. KE mass x velocity c. KE mass x
velocity2
b. KE 2mass x velocity d. KE ½ mass x
velocity2
Einstein said that Emc2. What does c stand
for?
a. Speed of light in meters per second c.
Kilometers per second
b. Meters per second d. Kinetic energy
Which has more kinetic energy a 12-kg ball
moving at 34 m/s, or a 34-kg ball moving at 12
m/s?
a. 12-kg ball c. 34-kg ball
b. They have the same kinetic energy d.
Cant tell

Energy is what/
a. The change in something c. The ability to
cause change
b. How far something moves d. How fast times
how far something moves
Energy is measured in what?
a. Kilograms c. Ergs
b. P d. J
What is the formula for kinetic energy?
a. KE mass x velocity c. KE mass x
velocity2
b. KE 2mass x velocity d. KE ½ mass x
velocity2
Einstein said that Emc2. What does c stand
for?
a. Meters c. Kilometers per second
b. Metors per second d. Kinetic energy
Which has more kinetic energy a 12-kg ball
moving at 34 m/s, or a 34-kg ball moving at 12
m/s?
a. 12-kg ball c. 34-kg ball
b. They have the same kinetic energy d.
Cant tell

To find gravitational potential energy, one must
determine
Height, mass and 9.8 m/s/s c. Height, mass and
acceleration of gravity
Mass, energy and acceleration of gravity d.
Mass, energy and 9.8 m/s/s
Potential Energy is
Energy of movement c. Energy of position
Energy not yet created d. Lost Kinetic Energy
The formula for Kinetic Energy is
½ mass x velocity c. Mass by ½ velocity
½ mass x velocity2 d. Mass x velocity x
acceleration of gravity
The factors that determine the force of gravity
are
Mass and acceleration c. Mass and distance
between objects
Velocity and mass of objects d. Mass and energy
of objects
What is the MECHANICAL energy of a 3.5-kg object,
moving in a horizontal motion, at 2.5 m/s, 4.0
meters above the surface of Earth.
(This one looks a LOT harder than it really is.
Isolate the important parts of the problem, and
solve it piece by piece.)

To find gravitational potential energy, one must
determine
Height, mass and 9.8 m/s/s c. Height, mass and
acceleration of gravity
Mass, energy and acceleration of gravity d.
Mass, energy and 9.8 m/s/s
Potential Energy is
Energy of movement c. Energy of position
Energy not yet created d. Lost Kinetic Energy
The formula for Kinetic Energy is
½ mass x velocity c. Mass by ½ velocity
½ mass x velocity2 d. Mass x velocity x
acceleration of gravity
The factors that determine the force of gravity
are
Mass and acceleration c. Mass and distance
between objects
Velocity and mass of objects d. Mass and energy
of objects
What is the kinetic energy of a 17-kg ball moving
at 36 meters per second?

1. During movement, what can one say about
energy
It will ALWAYS be converted to heat by
friction c. It will NEVER be converted to heat
by friction
It May be converted heat by friction d. One
cannot tell with this information
2. If a person is falling from an airplane,
without any frictions, what is true?
He will have no mass c. He will slow down
He will have no weight d. He will find
terminal velocity at some point
3. Energy comes to the Earth in the form of
Chemical energy c. Radiant energy
Nuclear energy d. Potential energy
4. If a person pushes on a wall, but the wall
does not move, is there any energy being used?
No c. Yes
One cannot tell with this information d.
Potential energy is being stored
5. What kind of reaction happens in the Sun?
Fission c. Combustion
Fusion d. Potential

Specific heat is
An exact measurement c. The name of a concept
Another name for a Joule d. 4.186
Q equals
4.186 Joules c. mass Change in Temp C
Kilograms mass d. mass Joules
Heat is
The temperature outside c. The average kinetic
energy of atoms in a mass
The movement of energy d. The ABILITY of
thermal energy to move
If one pours ½ of the coffee (why one would waste
a national treasure I do not know) out of a cup
The thermal energy left in the cup is lowered,
but temp is not c. Thermal energy and
temperature are lowered
Temperature is lowered, thermal energy is not d.
Energy is destroyed
To change ºC to K, one must
Convince ºC that change is good and needed c.
Add 273
Add 100 d. Do nothing, they are the same
thing

Conduction is
Heat transfer through the direct contact of
particles c. Heat transfer through
electromagnetic waves
Heat transfer through the movement of matter
itself d. The amount of energy in some matter
Which type of heat transfer would be used, for
the energy getting to Earth from the Sun?
Conduction c. Convection
Radiation d. Inversion
Which type of metal would heat up faster a
metal with a high specific heat, or a metal with
a low specific heat
Metal with a high specific heat c. Metal with
a low specific heat
They would heat up at the same rate d. It
depends upon the type of heating device

Hot air rises. What type of heat/energy transfer
is this?
Conduction c. Radiation
Convection d. Specific
27. You put your hand on a hot electric burner.
What is this?
Conduction c. Radiation
Convection d. Specific
28. What is static electricity most like?
Kinetic energy c. Potential energy
Gravitational energy d. Nuclear energy
29. What is the law of conservation of energy?
Energy cannot be created c.Energy cant be
destroyed
Energy cant be created or destroyed. d. Dont
waste it
30. A cliff diver, who is about to jump, has
Mostly kinetic energy c. Mostly potential
energy
Equal amount of K.E. P.E. d. Neither K.E. nor
P.E.

28
How much kinetic energy does an object with a
mass of 1 kilogram traveling in a straight line
have if it travels at 10 m/s? (A) 10 J
(B) 50 J (C) 98 J (D) 490 J
(E) 980 J As a cannonball is fired straight up
into the air, there is an increase in its
___. (A) gravitational potential energy (C)
chemical potential energy (B) mechanical
energy (D) kinetic energy Which of the
following is the best example of the law of
conservation of energy? (A) Friction produces
thermal energy. (C) The total amount of energy
is constant. (B) People do not conserve
energy. (D) Energy is the ability to cause
change. Aluminum has a specific heat capacity
of 0.900, and copper has a specific heat capacity
of 0.386. If equal masses of aluminum and copper
wire are placed in a flame, which one will
require more energy to raise its temperature by
1?C? (A) aluminum (B) copper (C)
both will increase at the same rate Which has
more total thermal energy a bathtub of cold
water or a red-hot nail? (A) The bathtub of
cold water (C) They both possess equal thermal
energy. (B) A red-hot nail (D) One cannot tell
with the given information.
29
There are four forces in nature. Place them in
order from strongest to weakest. _____________
_____________ _____________ __________ The
force that holds protons against other protons in
the nucleus of an atom is which force?
____________________ The force that keeps
protons from turning into neutrons, and also
neutrons from turning into protons, is which
force? It is the __________________________. The
atomic mass of Helium is what? Look in your
book. What is the atomic number of
Thorium? How many neutrons does Polonium have?

30

A circuit that can carry an electrical current is
what?
Closed c. Open
Complete d. Energized
Ohms law states that as you lower resistance,
the amps will do what?
His law is Amps Voltage Resistance
Fall c. Remain the same
Rise d. Alter the voltage
The standard voltage in an American home is
120 volts, direct current c. 120 volts,
alternating current
100 volts, alternating current d. 240 volts
What is the purpose of a fuse?
It stops voltage from rising to unsafe levels c.
It resists current transmission
It prevents unsafe levels of amperes. d. It
raises voltage levels
The inside of a thermos bottle slows heat loss by
Being filled with Nitrogen c. Being a vacuum

Which of these ways, that heat can move, involves
the movement of the material itself?
a. Conduction c. Convection
b. Radiation d. Conservation
Through which material(s) would convection work
best?
a. Gas and solids c. Gas and liquids
b. Solids and liquids d. Liquids and solids
How does heat and energy get to us, from the Sun?
a. Conduction c. Convection
b. Radiation d. Conservation
What does an insulator do?
a. Slows the movement of something c. Speeds
the movement of something
b. Makes something hotter d. Makes things
cooler
Which of these is a good CONDUCTOR of heat (or
electricity)
a. Aluminum c. Rubber
b. Air d. Wood

Smallest particle is what?
a. Proton b. Electron
c. Neutron d. Photon
e. Quark f. Cell
Particle with a positive charge is what?
a. Proton b. Electron
c. Neutron d. Photon
e. Quark f. Cell
Particle with no charge is what?
a. Proton b. Electron
c. Neutron d. Photon
e. Quark f. Cell
Particle of light is called what?
a. Proton b. Electron
c. Neutron d. Photon
e. Quark f. Cell

The wave characteristic that indicates energy is
Amplitude c. Wave height
Wave length d. Wave frequency
Hz is a unit of
Amplitude c. Wave height
Wave length d. Wave frequency
The speed of light, in a vacuum, is
3,000,000 m/s c. 300,000,000 m/s/s
300,000,000 m/s d. 300,000 km/s
Both b and d f. Both b and c
If a wave frequency is 45 Hz, and the wave length
is 456 meters, what is the speed of the wave?
A water wave is
Compressional d. Longitudinal
Transverse e. a and c
All of the above

The Atomic number (in a neutrally charged atom)
is the same as
The number of protons c. The number of
electrons
The number of neutrons d. Both a and c
When an atom is split, which force is effected?
The weak nuclear force c. The strong nuclear
force
The electromagnetic force d. Both a and c
What is the difference between Carbon-14 and
Nitrogen-14?
The number of protons c. The number of neutrons
The number of both protons and neutrons d. There
is no difference
Pb has an atomic number of 82, and an atomic mass
of 214. How many neutrons does it have?
132 c. 214
82 d. 296
The effect of the weak nuclear force is to
Prevent neutrons and protons from changing into
each other
Keep protons from pushing away from each other

The Atomic number (in a neutrally charged atom)
is the same as
The number of protons c. The number of
electrons
The number of neutrons d. Both a and c
When an atom is split, which force is effected?
The weak nuclear force c. The strong nuclear
force
The electromagnetic force d. Both a and c
What is the difference between Carbon-14 and
Nitrogen-14?
The number of protons c. The number of neutrons
The number of both protons and neutrons d. There
is no difference
Pb has an atomic number of 82, and an atomic mass
of 214. How many neutrons does it have?
132 c. 214
82 d. 296
The least penetrating radiation is
Alpha c. Beta
Gamma d. Delta

Atoms are made of three types of particles. They
are
a. Protons, Bosons and Electrons b. Protons,
Neutrons and Electrons
c. Neutrons, Electrons and Positrons d.
Positrons, Antitrons and Selectrons
Cadmium has an atomic number of 48, and 112 total
particles in its nucleus. How many Protons does
Cadmium have?
a. 112 b. 64
c. 48 d. 200
3. Cadmium has 48 protons, and 112 total
particles in its nucleus. How many Neutrons does
Cadmium have?
a. 112 b. 64
c. 48 d. 200
The light that you see right now is a direct
result of which force?
a. Strong nuclear b. Weak nuclear
c. Electromagnetic d. Gravity
Which is the weakest of all forces?
a. Strong nuclear b. Weak nuclear

When light bends, it is called what?
a. Refraction b. Reflection
c. Absorption d. Albedo effect
Light is what?
a. A particle called a photon b. A wave of
energy
c. A compression and mechanical wave d. Both
a and b
Which type of wave requires material to pass
through?
a. Electromagnetic b. Light
c. Radio d. Mechanical
In which type of wave does the material move
in/at right angles to the direction of the wave?
a. Sound b. Compression
c Barionic d. Transverse
What is the speed of light?
a. 3,000,000 miles per hour b. 300,000,000
m/s
c. 300,000 km/s d. Both b and c

The average kinetic energy of all of the atoms in
a mass is called what?
Thermal Energy c. Temperature
Heat d. Convection
The movement of thermal energy by direct contact
is called what?
Radiation c. Insulation
Convection d. Conduction
To convert Centigrade to Kelvin, a person does
this _________
Ask Mr. Monroe c. Add 273
Subtract 100 d. Subtract 273
Absolute zero is what (you can have more than
one)
The absence of any movement at all c. Zero
Kelvin
Minus 273 Kelvin d. Minus 273 Centigrade
Which would heat up faster, an aluminum pan with
a specific heat of 2.4, or an iron pan with a
specific heat of 4.3?
The Iron pan c. Aluminum pan
Same rate d. The amount of heat added must be
known

If an equal amount of energy is added to both ICE
and WATER,
a. Ice will heat up, but heat up less c. Water
will heat up, Ice will not
b. Ice will not heat up, water will d.
Neither water, nor ice, will heat up
Which will absorb significantly (a lot) more heat
before it changes?
a. Ice c. Water
b. They will absorb the same amount d. We
cannot tell with this information.
Why did the hot water, in your experiment, stop
heating at around 90º C?
a. Water cant get hotter than 90º C c. Water
cant absorb any more energy
b. The steam carried away energy d. Why should
I care?
The force that stops the atom from blowing itself
apart is
a. Electromagnetic force c. Weak nuclear
force
b. Strong nuclear force d. Gravity
An isotope is
a. Atoms with different numbers of protons
b. Atoms with different numbers of electrons

When a liquid turns to a solid, energy is
Absorbed c. Released
Unchanged d. Destroyed
A state of matter with charged particles is
Isotopes c. Restatends
Ions d. Plasma
The Kinetic theory states that all particles
Have charge c. Have movement
Have no charge d. Both a and b
When a solid turns to a liquid, it is the
Heat of fusion c. Heat of liquidization
Heat of vaporization d. Heat of ionization
5. H2O is special because it
Is a liquid in solid form c. Has heat of
vaporization
Becomes larger when frozen d. Has a specific
geometric pattern

If one keeps temperature constant, and raises
pressure, volume will
Remain unchanged c. Become lower
Cry like a baby d. Rise
If volume is unchanged, and temperature is
increased, pressure will
Rise c. Run away
Remain unchanged d. Fall
If volume is increased, and temperature is
unchanged, pressure will
Fall c. Be as scared as an LSW player at an
LSE game
Rise d. Remain unchanged
An airliner flying, at its maximum flying
altitude, is above about
25 of the atmosphere c. 50 of the atmosphere
90 of the atmosphere d. What is an airliner?
What is atmospheric air pressure
101.3 kPa d. 101.3 pascals
101,300 pascals e. Both a,b

The Tyndall effect works mostly on
Solutions c. Colloids
Elements d. Compounds
Carbon dioxide would be
Element c. Compound
Mixture d. Colloid
Air is a
Pure substance d. Element
Homogeneous mixture e. All the above, except d
Solution f. All the above, except a, d and e
Boiling and condensation is used in the process
of
Decanting c. Reverse osmosis
Distillation d. Crystallization
A particle in suspension will
Remain floating in a liquid c. Settle after a
reasonable time

A chemical change is
a. Boiling water c. Burning paper
b. Melting wax d. Expanding air
The kinetic theory says that all particles
Have a charge c. Constantly move
Have anger issues d. Have protons
If pressure is increased, temperature is not
changed, volume will
Increase c. Decrease
Not change d. Not enough information
Water is weird because
When it freezes it becomes less dense
When it freezes it forms crystals
When it freezes it heats up
It freezes at 173 Kelvin
Which of the following is a physical change?

44
GAS LAW PROBLEM
You have a balloon, that is free to expand. It
has a volume of 3.4 liters, a pressure of 103.0
kPa and a temperature of 22.1ºC. You squeeze the
balloon to a volume of .3 liters, without
changing the temperature. What is the new
pressure?

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