psc3 164 ♆ 13 December 2012 ☈ Name:

1. The first graph shows data gathered by a student in SC 130 physical science.
   
   __________ Calculate the slope of the line for the first graph.
2. ______________ Write out the units of measure for the slope of the line for the first graph.
3. ______________ Calculate the y-intercept of the line for the first graph.
4. ____________________________ Write out the equation of the line with the slope and y-intercept for the first graph.
5. Plot the data provided on the graph below and draw a line through the points.
   
6. ________________ Calculate the slope of the line.
7. __________ _____ A student measures a bar of soap with a length of 5 cm, a width of 3 cm, and a height of 2 cm. The soap has a mass of 40 grams. What is the density of the soap?
8. ___________ _____ A lead cube is found to have a density of 11 g/cm³. If the mass of the cube is 365 grams, what is the volume of the cube??
9. ___________ __________ A marble with a mass of 5 grams rolls 45 centimeters in 0.60 seconds. Calculate the velocity of the marble.
10. ___________ __________ A marble with a mass of 5 grams rolls 45 centimeters in 0.60 seconds. Calculate the momentum of the marble.
11. ___________ __________ A marble with a mass of 5 grams rolls 45 centimeters in 0.60 seconds. Calculate the kinetic energy of the marble.
12. ___________ __________ A marble with a mass of 5 grams is 200 centimeters above the floor. Given that the acceleration of gravity is 980 cm/s², calculate the gravitational potential energy of the marble.
13. __________ ______ Given d = ½gt², where g = 980 cm/s², what is the duration in seconds for a 5 gram marble to fall from a height of 200 cm?
14. For the following three pulley systems the mass being lifted is 500 grams. Using the ideal mechanical advantage for each pulley, calculate the force in gram-force exerted by each spring scale.
    
    A. ________ ______________ B. ________ ______________ C. ________ ______________
    
    
15. Temperatures
    _________°C What is the temperature of a mix of melting ice and water in Celsius?
    _________°C What is the temperature of melting solid coconut oil in Celsius?
    _________°C What is the typical daily room temperature in Pohnpei in Celsius?
    _________°C What is the temperature of the healthy living human body in Celsius?
    _________°C What is the temperature of a boiling water in Celsius?
16. ________________ Based on the chart, which material is the best conductor of heat? Chart done by C. Elias, unmodified from submission.
    
17. ________________ ______________ What type of cloud is the large flat-topped cloud seen in the distance?
    
18. ______________ When walking due West, which number would change on the GPS unit, the N 06° 54.540' or the E 158° 09.650' number?
19. _________ _____ The classroom is at E 158° 09.651'. During week seven I was hiding at E 158° 09.381'. Use a value of 1900 meters per minute to calculate the distance from the classroom to my location.
20. _________ _________ While walking from E 158° 09.657' to E 158° 09.474' Joyceleen measured a distance of 360 meters. Calculate the number of meters per minute.
21. The graph shows the Thursday 8:00 laboratory data (circles), the Thursday 11:00 laboratory data (squares). The trend line for 8:00 is a solid line with the equation in a solid line box. The trend line for 11:00 is a dotted line with the equation in a dotted line box.
    
    _______________ Which laboratory section measured a lower experimental speed of sound, 8:00 or 11:00?
22. __________ __________ What was the experimental speed of sound found by the 11:00 section?
23. A RipStik was swizzled ("wiggled") across a poster pad paper. The sinusoidal swizzle wave can be seen in the diagram below.
    
    
    λ = _________ _________ Determine the wavelength λ of one wave of the RipStik swizzle wave.
24. a = _________ _________ Determine the amplitude a of the RipStik swizzle wave.
25. τ = _________ _________ The RipStik took a duration of 0.50 seconds to travel the 50 centimeters seen on the diagram above. Determine the period τ for the RipStik swizzle wave.
26. f = _________ _________ Calculate the RipStik swizzle wave frequency f.
27. ѵ_wave = _________ _________ Use the wavelength λ and frequency f to calculate the velocity ѵ_wave of the RipStik swizzle wave.
28. List the primary colors of light:
29. ________ What is the color angle for magenta?
30. ________ What color is produced by a color angle of 240°?
31. Define hue:
32. Define saturation:
33. Define luminosity:
34. ________ ___________ At ten o'clock on Tuesday the solar panels were producing 180,100 watts of power at a voltage of 120 volts. Calculate the current i in amperes.
35. ________ ___________ At ten o'clock on Tuesday the solar panels were producing 180,100 watts of power at a voltage of 120 volts. Calculate the resistance R in Ohms.
36. _______________ Determine the atomic number of the atom depicted.
37. _______________ Looking only at the diagram, what is the atomic mass for the atom?
38. _______________ Looking at the diagram and the chart on the wall, what is the one or two letter chemical abbreviation for this element?
39. _____________________ Looking at the diagram and the chart on the wall, what is the full name for this element?
40. _______________ In general, what color do acids tend to turn floral pigment fluids?
41. _______________ In general, what color do bases tend to turn floral pigment fluids?
42. _______________ Is baking soda an acid, base, or neutral?
43. _______________ Are lime fruits acid, base, or neutral?
44. _____________________ When a floral litmus solution changes color, what changes, the hue angle, the saturation, or the luminosity?
45. __________________ Some potassium-40 decay processes produce positrons, the antimatter particle partner to an electron. What "Go local" item contains potassium-40 and thus antimatter?
46. __________________ For which force would the Higgs boson provide an explanation?
47. ____________ __________________ What is the name of the energy that comprises 72% of the universe and which is causing the universe to expand at an accelerated rate?
48. Weakly Interacting Massive Particles are theorized to be the 23% of the universe known as ____________ __________________ .
49. _____ What is the site swap notation for the three ball cascade that I taught in the last lab?
50. _____ What is the site swap notation for the three ball shower that I taught in the last lab?
51. In the video Is there a creator? three different approaches that scientists are making to answering this question were presented. In brief, what were those three approaches, those three theories?

$\text{slope m}=\frac{(\mathrm{y2}-\mathrm{y1})}{(\mathrm{x2}-\mathrm{x1})}$
Volume V = length l × width w × height h
mass m = density ρ × Volume V
$\rho =\frac{m}{V}$
distance d = velocity ѵ × time t
$ѵ=\frac{\Delta d}{\Delta t}$
$a=\frac{\Delta ѵ}{\Delta t}$
ѵ = at
d = ½at²
d = ½gt²
where g is the acceleration of gravity.
g = 980 cm/s² (cgs)
g = 9.8 m/s² (mks)
Gravitational Potential Energy = mgh
Kinetic Energy = ½mѵ²
momentum p = mѵ $\text{Force}=\Delta \text{momentum}$
$\text{Force}=\text{mass}\times \frac{\Delta ѵ}{\Delta t}$
$\text{Force}=\text{mass}\times \text{acceleration}$
$\text{efficiency}=\frac{\text{actual mechanical advantage}}{\text{ideal mechanical advantage}}$
$\text{percent error}=\frac{(\text{experimental value}-\text{expected value})}{\left(\text{expected value}\right)}$
period τ = 1 ÷ (frequency f )
velocity ѵ = wavelength λ * frequency f
Volts V = current iResistance R
Power P = current iVoltage V