164 • Name:

  1. The first graph shows data gathered by a student in SC 130 physical science.
    Soap density background rectangle major grid lines axes x-axis and y-axis linear regression line data points as circles text layers Soap density volume (cm³) mass (g) y-axis labels 0 8 16 24 32 40 48 56 64 72 80 x-axis labels 0 10 20 30 40 50 60 70 80 90 100
    1. __________ Calculate the slope of the line.
    2. ______________ Write the units for the slope of the line.
    3. ______________ Determine the y-intercept of the line.
    4. ____________________________ Write the slope-intercept equation for the line.
  2. The second graph shows velocity data gathered by a student in physcial science.
    1. Plot the time versus distance data provided on the graph below and draw a line through the points.
      Graphical analysis

      Data

      time (s)distance (m)
      0.00.00
      0.50.75
      1.01.50
      1.52.25
      2.03.00
      2.53.75
      background rectangle major grid lines axes text layers Velocity data time (s) distance (m) y-axis labels 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 y 0 1.0 2.0 3.0 4.0 5.0
    2. ________________ Calculate the slope of the line.
    3. ________________ Determine the y-intercept of the line.
  3. __________ What is the slope of the line y = 5.5 + 0.85x?
  4. __________ What is the y-intercept of the line y = 5.5 + 0.85x?
  5. Graph three is time versus distance for a RipStik castor board going up a gentle hill and then back down the hill. Graph four is time versus distance for moving RipStik castor boards.
    Graphs background rectangle major grid lines linear C non-linear B parabola A axes text layers Graph four: RipStik Motion Data Time (s) Distance (cm) y-axis labels 0 100 200 300 400 500 600 700 800 900 1000 x-axis labels 0 1 2 3 4 5 background rectangle major grid lines axes x-axis and y-axis data points as circles text layers Graph three: RipStik uphill and return downhill run time (s) dist (cm) y-axis labels 0 80 160 240 320 400 480 560 640 720 800 x-axis labels 0.0 1.4 2.8 4.2 5.6 7.0 8.4 9.8 11.2 12.6 14
  6. _____________ Which of Newton's laws says that once moving, an RipStik continues to move at a constant velocity without any further swizzling (wiggling)?
  7. _____________ Which of Newton's law governs the accelerating motion of a swizzled (wiggled) RipStik?
  8. Use the data in table two to answer the following questions on pulleys.
    Table one
    force (gmf)load (gmf)
    2050
    80200
    140350
    180450
    1. ____________ Based on the table one data, what is the actual mechanical advantage for the pulley system?
    2. ____________ The pulley system in table one had three load lines. What is the ideal mechanical advantage?
    3. ____________ Use the preceding two questions to calculate the efficiency of the pulley system.
  9. Temperatures in Celsius
  10. ______________ When walking straight East, which number would change on the GPS unit, the N 06° 54.566' or the E 158° 09.597' number?
  11. _________ _____ The classroom is at E 158° 09.651'. Dana was at E 158° 09.314'. Use a value of 1820 meters per minute to calculate the distance from the classroom to Dana.
  12. A RipStik was swizzled ("wiggled") across 160 centimeters of poster paper in a time of two seconds. The sinusoidal swizzle wave can be seen in the diagram below.
    RipStik swizzle sine wave 8 cm 160 cm
    1. λ = _________ _________ Calculate the wavelength λ of one wave.
    2. a = _________ _________ Calculate the amplitude a.
    3. τ = _________ _________ Calculate the period τ.
    4. f = _________ _________ Calculate the RipStik swizzle wave frequency f.
    5. ѵwave = _________ _________ Use the wavelength λ and frequency f to calculate the velocity ѵwave of the RipStik swizzle wave.
    6. ѵboard = _________ _________ Use the 160 centimeters traveled and the two seconds to travel that distance to calculate the velocity ѵboard of the RipStik board.
    7. _________ Is ѵwave equal to ѵboard?
    8. _________ How many wavelengths in all are there on the "paper" above?
  13. List the three primary colors of light (additive colors):
  14. List the three secondary colors of light (additive colors):
  15. What is hue?
  16. What is saturation?
  17. What is luminosity?
  18. Absorbed light is converted to ______________
  19. Red objects absorb all colors except _______________
  20. Red objects reflect what color of light?_______________
  21. _________ If a penny is 40 centimeters underwater and has an apparent depth of 30 centimeters, what is the index of refraction for water?
  22. Brother XR 7700 Brother XR 7700
    1. __________ _____ For a Brother XR-7700 sewing machine, calculate the power used based on the information in the images.
    2. __________ _____ For a Brother XR-7700 sewing machine, calculate the resistance.
  23. Periodic table element 30 Zn 65
    1. __________ What is the atomic number of Zn?
    2. __________ What is the atomic mass of Zn?
    3. __________ How many protons does Zn have?
    4. __________ How many neutrons does Zn have?
    5. __________ How many electrons does Zn have?
    6. ____________________ Zn was an element tested in the electrical conductivity, what is the full name for Zn?
  24. Neon Neon Atomic center translation Orbitals
    1. _______________ Looking only at the atomic diagram, determine the atomic number of the atom depicted.
    2. _______________ Looking at the diagram, what is the atomic mass for the atom?
    3. _______________ Looking at the diagram and the chart on the wall, what is the one or two letter chemical abbreviation for this element?
    4. _______________ Looking at the diagram and the chart on the wall, what is the full name for this element?
  25. _______________ In general, what color do acids tend to turn floral pigment fluids?
  26. _______________ In general, what color do bases tend to turn floral pigment fluids?
  27. _______________ Are lime fruits acid, base, or neutral?
  28. _______________ Is baking soda an acid, base, or neutral?
  29. _______________ Is water an acid, base, or neutral?
  30. List the eight planets in order from the sun outwards.

  31. The graph plots three data sets for three different possible mathematical models for the frisbee data. One data set is plotted as squares, one as circles, and a third as triangles.
    Graph with shapes fed by different functions wth decision tree graph background rectangle major grid lines axes data points as rectangles leftmost data set data points as circles data points as triangles text layers Frisbee data independent variable dependent variable y-axis labels 0 2 4 6 8 10 12 14 16 18 20 x-axis labels 0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 Does the data plot roughly close to a straight line? Yes No Arrow Arrow First analysis conclusion: There is a mathematical relationship. Second conclusion: The data is linear. Arrow Third analysis conclusion: Linear relationship Use trend line slope and intercept. Can also use SLOPE(y,x) INTERCEPT(y,x) Does the data form a smooth curve? Yes No Arrow Arrow First analysis conclusion: There is a mathematical relationship. Second conclusion: The mathematical relationship is non-linear. First and: only conclusion: NO mathematical relationship.
    1. __________ Which shape plots data modeled by a linear mathematical trend line model?
    2. __________ Which shape plots data modeled by a non-linear mathematical trend line model?
    3. __________ Which shape plots data that is randomly distributed and cannot be modeled by a trend line model?
    4. __________ For the data that plots linearily, make a mathematical estimate of the slope.
    5. __________ For the data that plots linearily, make a mathematical estimate of the y-intercept.

slope m= (y2y1) (x2x1)
percent error= (experimental valueexpected value) (expected value)
Volume V = length l × width w × height h
mass m = density ρ × Volume V
ρ= m V
distance d = velocity ѵ × time t
ѵ= Δd Δt
ѵ = at
a= Δѵ Δt

d = ½at²
d = ½gt²
t= ( 2d g )
g= 2d t2
Gravitational Potential Energy = mgh
Kinetic Energy = ½mѵ²
momentum = mѵ
Force F = mass m × acceleration a
Hooke's Law for springs: Force F = −kx
efficiency= actual mechanical advantage ideal mechanical advantage
meters per minute= meters measured difference in minutes
period τ = 1 ÷ (frequency f )
velocity ѵ = wavelength λ * frequency f
Voltage V = current i * Resistance R
Power P = current i * Voltage V
atomic number = number of protons
atomic number = number of electrons in neutral atom
atomic mass = nucleons
nucleons = proton + neutrons

where:
a is acceleration
d is distance
Δ is "the change in" (greek lowercase delta)

g is the acceleration of gravity where g is:
g = 980 cm/s² (cgs)
g = 9.8 m/s² (mks)

m is mass
p is momentum
t is time
ѵ is velocity