Lab Roundup Review
Lab
1 Densities of
Liquids, Significant Figures, Graphs
1.
Write the formula for density.
2.
Write the equation for the slope of a line.
3. What are the
units for density?
1.
Describe the "ticker tape" for a train at
constant velocity?
2. Describe the
line on the distance vs time graph.
What does the slope represent?
3. Describe the v
vs. t graph.
4. What does the
area under the line on the v vs t graph represent?
1.
Describe the d vs t graph for an accelerating object.
2. Describe the v
vs t graph for an accelerating object.
3. What does the area under the line on the v vs t graph
represent?
4. What are the
units for the slope of a v vs t graph and what does this
represent?
5.
How can you tell if an object is accelerating at a
constant rate?
1.
Write the equation needed to solve for your reaction
time.
2. What is the
acceleration of the meter stick?
3. If the meter
stick fell 0.25 m, calculate the reaction time of the student.
Lab
5 g
by Strobe
1.
From the photo of
the ball, how can you tell the ball is accelerating?
2. On the graph,
what specifically does the slope of the line represent?
3. Who is that in
the picture?
4.
Express the acceleration of gravity g on Earth in cm/s2.
1.
Write an equation for finding force parallel of a block
on an incline.
2. What forces are
balanced on a block moving at constant velocity down an
incline?
3. Which direction is the weight vector for a block on an
incline?
4. At what angle
is the parallel force equal to half the block's weight?
1. Draw a free
body diagram of a ball in flight with air resistance present.
2. How was the
height of the building determined?
3. Define terminal
velocity.
4.
What are the units for air resistance?
1.
Write out the mathematical expression for Newton's 2nd
law.
2. Given the same
force F, describe the relationship between a and m.
3. On the F vs a
graph, what does the slope represent?
Lab
9 Riding the
Elevator with Newton
1.
During what two events of a complete elevator ride
(down/up) do you feel heavier?
2.
If you were in a free falling elevator, could you save
yourself just before it hit the ground?
Explain.
Lab
10 Determining the
Coefficient of Friction, μ
1.
Write the equation for Ff.
What happens to the friction force Ff as the
normal force FN increases?
2.
Which coefficient of friction is higher, μk
or μs?
3.
Draw the free-body diagram for the block moving at constant
speed across the surface and label all
forces.
What is the net force on the block under this
condition of constant velocity?
Lab
11 Shoot for
your Grade
1.
Where did the kinetic energy of the ball come from?
2. How was the
horizontal distance (x) from the table top determined?
3. How was the
time of fall to the floor determined?
4. Where is the vy
velocity equal to zero? Where
is vy maximum?
5.
Describe vx throughout the time of flight.
1. Which
equations are used for calculating the time of flight and
maximum height?
2. Sketch a v- t
graph of an object being thrown up vertically and returning to
earth.
3. What should the
slope of the v-t graph represent?
Lab 13
Non-Vertical Projectile Motion
1. How do you
determine time of flight and maximum height for a projectile?
2. Sketch vy
and vx velocities on the same graph for a
projectile. Which
v is constant?
3. How is
horizontal distance of a projectile determined?
Lab
14 Conservation of
Momentum
1.
Write the formula for the Law of Conservation of
Momentum.
2. Is momentum a
vector?
3.
What is recoil and how can recoil velocity be found?
Lab
15 Meteorite
Impulse
1.
How was the velocity and time of fall calculated for the
golf ball?
2.
Write the equation for impulse.
What are the units for impulse?
3.
How are force and time related during impulses?
Lab
16 Circular Motion
1.
Write the equations for centripetal acceleration and
centripetal force.
2.
Describe the velocity, acceleration, and force vectors
during revolutions.
Lab
17 “g” by
Pendulum
2.
How long must a pendulum be for a one second and two
second swing?
Lab
18 People Power
1.
Write the equations used in this lab for find your
power.
2.
If you knew your speed in this lab, how could you find
your power?
Lab
19 Hooke's Law and
Spring Constant.
1.
Write out Hooke's Law as a formula.
2.
On the F vs x graph, what does the slope represent and
what are the units?
3.
How can the weight of an unknown be determined using the
graph? Using the slope of the line?
1.
Describe the energy changes that occur from the time the
jump-up toy's spring is compressed until it hits the ground.
2.
Write out all equations for the energies in the question
above.
3.
What is the Work-Energy Theorem?
1.
Which work-energy theorem equation was used to solve for
the bungee fall?
2.
Where did all the gravitational potential energy of the
bungee person go after release?
Lab
22 COR and the
Physics of Bounce
1.
Define COR.
2.
What becomes of the lost kinetic energy as a ball
bounces its way to a stop?
Lab
23 Heat of Fusion
2.
What happens to temperature as a substance is melting
(or freezing)?
3.
Which increases for a substance during melting, KE or
PE? How do you
know?
Lab
24 Specific Heat
of a Metal
1.
What is the basic equation used in this lab?
2.
Why did the temperature of the metal change much more
than the water?
3.
What does a thermometer measure indirectly?
Lab
25 Heat of
Vaporization
1.
Write the equation for heat of vaporization.
2.
What happens to temperature as a substance is boiling
(or condensing)?
Lab
26 Static Electricity and Unknown Charges
1. Which subatomic particle moves in this lab?
2. Describe charging by induction and conduction.
3. What is grounding?
Lab
27 Electrical Charge q and Coulomb's Law
1. Write the formula for Coulomb's Law, not the
one in this lab.
2. Sketch and describe a graph of F vs r2
based on Coulomb's Law.
3. What can you assume about the two equal
spheres that were charged, then touched together?
4. If the charge on both spheres were doubled,
what would happen to the force?
5. What would happen to force of the distance
were doubled? Reduced
by half?
Lab
28 Mapping Electric Fields Lines
1. What is an equipotential line?
2. Sketch the direction of the electric field
between two parallel plates.
3. What are the units for electric field in this
lab?
4. How is the force on an electron calculated in
this electric field?
Lab
29 Millikan's Oil
Drop Experiment
1. What is the analogy with Millikan's experiment
when we found grams/marble with this lab?
2. What is the charge on one electron?
Lab 30 Resistance
and Temperature in a wire, Ohm's Law
1. Sketch a V vs I graph for a metal that follows
Ohm's Law.
2. What does the slope of a V vs I graph
represent?
3. Which metal had the highest resistance in this
lab?
4. Explain the phrase "Danny DiVito, he's
cool."
5. If voltage were plotted on the x-axis, how
would resistance be determined for the wire?
Lab
31 Series Circuits
1. Summarize the reference table equations for
series circuits.
2. Describe how to connect ammeters and
voltmeters in a series circuit.
3. What happens to current as more resistors are
added to a series circuit with voltage constant?
Lab
32 Parallel
Circuits
1. Summarize the reference table equations for
parallel circuits.
2. Describe how to connect ammeters and
voltmeters in a parallel circuit.
3. What happens to current as more resistors are
added to a parallel circuit?
Lab
33 Resistance and
Temperature in a Thermistor
1.
What is a thermistor and what is it sensitive to?
2.
What is the relationship between temperature and
resistance in a thermistor?
How is this different from a true ohmic resistor?
Lab
34 Mapping a
Magnetic Field
1. Describe the field lines around a bar magnet,
giving the direction of the field lines.
2. What are the units for magnetic field?
Lab
35 Strength of a Magnetic Field (B)
1. What are the units for magnetic field
strength?
2. At what angle is the B of the earth equal to
the B of the magnet?
Lab
36 Magnetic Field of the Earth
1.
What units are used to measure the earth's
magnetic field?
2.
What effect does the high school have on the earth's
magnetic field?
Lab
37 Pulses
and Standing Waves
1.
How does the number of waves affect the velocity of a
wave in a substance?
2.
What happens to frequency as the wavelength is
shortened?
Lab
38 Speed of Sound Mach 1
1. Write the equation used to find the speed of sound,
given the f and λ.
2. What is the speed of sound, and how does
temperature affect it?
Lab
39 Waves in a
Ripple Tank
1.
Write the equation for finding period of a wave.
Lab
40 Diffraction,
Interference, Nodes, Antinodes
1.
Define antinode, node, zeroth order.
2.
What does the distance d2 - d1
represent?
Lab
41 Reflection from a Plane Mirror
1. Describe the law of reflection.
2. Explain how to draw a normal.
3. What type of image is formed in a plane
mirror?
Lab
42 Refraction
through Prisms
1. Write the equation for Snell's Law.
2. As light enter a substance of higher n, which
way does it bend?
3. What is the velocity of light in flint glass?
4. Sketch the path of a monochromatic light beam
through a triangular block.
Lab
43 Refraction through a Glass Block
1.
Write the equation for the index of refraction based on
light velocity.
2.
How do you determine the speed of light in the glass
block?
3.
How would you determine the wavelength of light inside
the block?
4.
Sketch the path of the incident light ray hitting the
glass block at theta > 0 degrees.
Lab
44 Critical Angle
1. Write the equation for critical angle; define critical angle.
2. What is the angle of refraction at the
critical angle.
3. Which substance on your reference table has
the highest critical angle?
lowest?
Lab
45 Images of
Spherical Mirrors
1. Write the mirror equation.
2. How is the focal length of a mirror related to
its center of curvature?
3. Where should an object be placed in front of a
concave mirror to form a virtual image?
4. Where will the image form for a concave mirror
if the object is placed at C?
Lab
46 Diffraction and
Interference
1. Write Young's equation for diffraction and
interference, and identify each term.
2. Name two ways that the x value can be increased.
Lab
47 Converging
Lenses and Diverging Lenses
1. Write the lens equation for finding focal
length; for
finding size of the image.
2. Where should an object be placed to form a
larger, virtual image?
3. Describe the image when the object is placed
upright at 2f.
4. What sign is given to convex lenses? Concave lenses?
5. When does a convex lens produce an upright,
virtual, magnified image?
Lab
48 Photoelectric Effect, Planck’s Constant
1. What does the slope of the graph Energy vs.
Frequency represent?
2. What is the actual value for Planck=s
constant h; include the units.
3. What does the stopping potential, Vo,
indicate for a photoelectron?
4. One eV is equivalent to how many Joules?
5. What is the threshold frequency and how can it
be determined from the graph?
6. Write the equation for photon energy in terms
of frequency and in terms of wavelength.
Lab
49 Energy Levels of
the Hydrogen and Mercury Atom
1. Explain why a photon would be emitted by an
atom.
2. Write the equation for the energy difference
of a photon.
3. How many Joules in one eV?
4. What is the energy of a photon that is emitted
between hydrogen levels 4ŕ3? Mercury levels g-b?
Lab
50 Chart of the
Nuclides
1. Name the three types of nuclear decay and
explain their effects on the mass of the nucleus.
2. Explain mass defect and binding energy.
Lab
51 Half-life of
Barium 137Ba
1. Sketch a graph of counts vs time. Explain how to find the half-life.