164 psg3 • Name:

  1. Soap density background rectangle major grid lines axes linear regression line data points as circles Soap density volume (centimeters³) mass (grams) 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 The first graph plots data from a soap density measurement laboratory. The slope of the line is the density of the soap.
    1. __________ Calculate the slope of the line.
    2. ______________ Determine the y-intercept of the line.
    3. y = _________ x + __________ Write the y = mx + b slope-intercept equation for the line.
    4. _______________ Based on the above, will this soap float or sink?
    5. _______________ Based on the above, is this Ivory or Dial soap?
  2. A student gathered the data seen in the table below. Plot the data on the graph. Graphical analysis
    Time
    (seconds)    		Distance
    (centimeters)
    00
    2400
    4800
    61200
    81600
    102000
    background rectangle major grid lines axes text layers Velocity of a RipStik Time (seconds) Distance (centimeters) x-axis labels 0 1 2 3 4 5 6 7 8 9 10 y-axis labels 0 200 400 600 800 1000 1200 1400 1600 1800 2000
    1. __________ Calculate the slope of the line.
    2. __________ Calculate the intercept of the line.
    3. __________ cm. How far will the RipStik travel in 23 seconds?
    4. __________ seconds. How long in seconds for the RipStik to travel 7500 centimeters?
  3. __________ What is the slope of the line y = 2.0 + 0.15x?
  4. __________ What is the y-intercept of the line y = 2.0 + 0.15x?
  5. A student rolled marbles into a line of five marbles.
    Marbles on ruler track
    What physcial science law are the marbles colliding on the ruler track obeying?
  6. The time versus distance for two runs of a RipStik were recorded in the table below.
    Graphical analysis background rectangle major grid lines D text layers RipStik Velocity Time (seconds) Distance (centimeters) x-axis labels 0 1 2 3 4 5 y-axis labels 0 80 160 240 320 400 480 560 640 720 800
    1. _______________________ What does the curve on the above graph imply is happening to the RipStik?
    2. __________ __________ Calculate the acceleration of the RipStik.
  7. Provide definitions for the following:
    1. Newton's first law of motion.
    2. Newton's second law of motion.
    3. Newton's third law of motion.
  8. What are the following temperatures in Celsius?
  9. Define latitude:
  10. Define longitude:
  11. _________ _____ The classroom is at E 158° 09.651'. I hid at E 158° 09.314'. Calculate the difference in arcminutes between the classroom and where I was hiding.
  12. _________ _____ The classroom is at E 158° 09.651'. I hid at E 158° 09.314'. Use a value of 1842 meters per arcminute to calculate the distance in meters from the classroom to where I was hiding.
  13. ☁ ________________________
  14. ☁ ________________________
  15. ☁ ________________________
  16. A wave was inscribed on poster paper by a RipStik. The RipStik was timed and took 0.75 seconds to go from 0 cm to 162 cm.
    Based on Millinocket swizzle sine wave 20 0 cm 54 cm 108 cm 162 cm
    1. On the diagram above, label a crest.
    2. On the diagram above, label a trough.
    3. λ = _________ _________ What is the wavelength λ of ONE wave?
    4. a = _________ _________ What is the amplitude a?
    5. τ = _________ _________ What is the period τ of ONE wave?
    6. f = _________ _________ What is the frequency f?
    7. ѵwave = _________ _________ What is the wave velocity ѵwave?
  17. __________ __________ Using a a speed of sound of 340 m/s, if thunder follows lighting by 10 seconds, how far away is the lighting in meters?
  18. Hue Saturation Luminosity (HSL) colors:
  19. ________________ What color of light does an orange pumpkin reflect?
  20. ________________ What color of light does an orange pumpkin absorb?
  21. Define reflection.
  22. Define refraction.
  23. refraction data and graph
    1. ______________ Based on the information from laboratory eleven above, what is the index of refraction for water?
    2. ______________ Water has a published index of refraction of 1.3330. What is the error for the slope?
    3. ______________ Water has a published index of refraction of 1.3330. What is the percentage error for the slope?
  24. A Whirlpool dryer uses 26 amps of current at 240 volts.
    Electrical appliance Electrical appliance
    1. __________ _____ Calculate the resistance R for the dryer.
    2. __________ _____ Calculate the power P for the dryer.
  25. 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?
  26. Atomic schematic protons neutrons electrons P13 N14 Atomic center translation Orbitals [Note that in an atom the number of neutrons is equal to or greater than the number of protons. Thus the more numerous nucleons are the neutrons.]
    1. _______________ Looking only at the atomic diagram on this paper, 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?
  27. _______________ Are lime fruits acid, base, or neutral?
  28. _______________ Is baking soda an acid, base, or neutral?
  29. What is the Higgs boson?
  30. For what physical system is site swap a mathematical model?

slope= ( y2 − y1 ) ( x2 − x1 )
error = experimental value − expected value
percent error= (experimental value−expected value) (expected value)
density= mass volume
ѵ= Δd Δt
distance d = velocity ѵ × time t
d = ½at²
period τ = 1 ÷ (period τ)
frequency f = 1 ÷ (frequency f )
velocity ѵ = wavelength λ * frequency f
Voltage V = current i * resistance R
Power P = iV