174 • Name:

1. 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. Write the y = mx + b slope-intercept equation for the line:
      y = _________ x + __________
   4. Write the units of measurement for the x-axis:
      
   5. Write the units of measurement for the y-axis:
      
   6. Write the units of measurement for the slope:
      
      
2. A student gathered the data seen in the table below.
   1. Plot the data.
      
   2. __________ Calculate the slope of the line.
   3. __________ Calculate the intercept of the line.
   4. __________ cm. How far will the RipStik travel in 23 seconds?
   5. __________ 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. For the following RipStik velocity chart:
   
   1. __________ _____ Determine the velocity ѵ of the RipStik.
   2. __________ _____ If the RipStik continued at that velocity for 30 seconds, how many centimeters would the RipStik travel?
   3. __________ _____ If the RipStik continued at that velocity for 5600 centimeters, how many seconds would the RipStik travel?
6. The chart has three height versus distance functions plotted, each labelled by a letter: A, B, or C. Match the function by letter to the description below.
   
   1. ___ With increasing height, the velocity increases at an increasing rate.
   2. ___ With increasing height, the velocity increases at a constant rate.
   3. ___ With increasing height, the velocity increases at a decreasing rate.
   4. ___ Which of these functions depicts what really happened to the RipStik when the RipStik rolled down the hill?
7. A marble with a mass of 5.0 grams is 40 centimeters above a table on a banana leaf marble ramp. The marble is released and rolls down the ramp onto the table. Use an acceleration of gravity g equal to 980 cm/s² for this question.
   1. __________ __________ Calculate the Gravitational Potential Energy of the marble before the marble is released.
   2. __________ __________ Determine the Kinetic Energy that the marble should have at the bottom of the ramp.
   3. __________ __________ Calculate the velocity that the marble should have at the bottom of the ramp.
8. Write Newton's first law of motion.
9. Write Newton's second law of motion.
10. Write Newton's third law of motion.
11. Temperatures in Celsius:
    • _________℃ What is the temperature of a mix of melting ice and water?
    • _________℃ What is the temperature of melting solidified coconut oil?
    • _________℃ What is the typical daily indoor room temperature in Pohnpei?
    • _________℃ What is the temperature of the healthy living human body?
    • _________℃ What is the temperature of a boiling water?
12. Define latitude:
13. Define longitude:
14. ______________ When walking straight North, which number would change on the GPS unit, the N 06° 54.594' or the E 158° 09.339' number?
15. _________ _____ The classroom is at E 158° 09.651'. I hid at E 158° 09.427'. Calculate the difference in arcminutes between the classroom and where I was hiding.
16. The classroom is at E 158° 09.651'. I hid at E 158° 09.427'. Use a value of 1842 meters per arcminute to calculate the distance in meters from the classroom to where I was hiding.
17. A wave was generated on a rope as seen in the diagram. There were 25 cycles in 5 seconds.
    1. _________ How many waves are there from the first crest to the fourth crest - the 680 centimeters seen above?
    2. λ = _________ _________ What is the wavelength λ of ONE wave?
    3. a = _________ _________ What is the amplitude a?
    4. τ = _________ _________ What is the period τ of ONE wave?
    5. f = _________ _________ What is the frequency f?
    6. ѵ_wave = _________ _________ What is the wave velocity ѵ_wave?
18. List the three processes that produce precipitation:
19. What is El Niño?
20. A student 535.5 meters from clapping boards measured a time of 1.5 seconds from seeing the boards clap to hearing the boards clap.
    1. _________ _________ Calculate the experimental speed of sound based on the data.
    2. _________ _________ Given that the expected speed of sound that day was 350 m/s, calculate the error.
    3. ______________ Given that the expected speed of sound that day was 350 m/s, calculate the percentage error.
21. List the three primary colors of light:
22. List the three secondary colors of light:
23. Hue Saturation Luminosity (HSL) colors:
    • Define Hue angle:
    • Define Saturation:
    • Define Luminosity:
24. Define reflection.
25. Define refraction.
26. In Einstein's equation E = mc², what do that letters stand for?
    • E:
    • m:
    • c:
27. The Corning digital hot plate uses 8.7 amperes at 1043 Watts of power.
    
    1. __________ _____ Calculate the voltage for the hot plate.
    2. __________ _____ Calculate the resistance R for the hot plate.
28. 1. __________ What is the atomic number of Ni?
    2. __________ What is the atomic mass of Ni?
    3. __________ How many protons does Ni have?
    4. __________ How many neutrons does Ni have?
    5. __________ How many electrons does Ni have?
    6. ____________________ What is the full name for Ni?
29. Remember that the number of neutrons equals or exceeds the number of protons.
    1. _______________ Looking only at the proton, neutrons, and electrons 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?
30. _______________ For an effective floral litmus solution, what should you be looking for, a change in hue angle, saturation, or luminosity?
31. _______________ Are lime fruits acid, base, or neutral?
32. _______________ Is baking soda an acid, base, or neutral?
33. There are only four fundamental forces. The four forces are:
    • __________________________
    • ______________________________
    • ____________ ______________
    • ________ ______________
34. Site swap mathematics is the mathematic theory for what activity?

$\text{slope}=\frac{(y_2-y_1)}{(x_2-x_1)}$
error = experimental value − expected value
$\text{percent error}=\frac{(\text{experimental value}-\text{expected value})}{\left(\text{expected value}\right)}$
mass m = density ρ × Volume V
$\rho =\frac{m}{V}$
$ѵ=\frac{\Delta d}{\Delta t}$
distance d = velocity ѵ × time t
ѵ = at
ѵ = gt
d = ½at²
d = ½gt² where g is the acceleration of gravity
g = 980 cm/s²
Gravitational Potential Energy GPE = mgh
Kinetic Energy KE = ½mѵ²
momentum = mass m × velocity ѵ
$\mathrm{Force}=\frac{\Delta \mathrm{momentum}}{\Delta \mathrm{time}}$
Force F = mass m × acceleration a
Forces: gravitational, electromagnetic, strong nuclear, weak nuclear
period τ = 1 ÷ (frequency f )
velocity ѵ = wavelength λ * frequency f
Voltage V = current i * resistance R
Power P = iV