114 124 134 • Name:

  1. The chart plots the level of carbon dioxide in the atmosphere. Annual Cycle Jan Apr Jul Oct Jan 1960 1970 1980 1990 2000 2010 390 380 370 360 350 340 330 320 310 (ppmv) Carbon Dioxide Measured at Mauna Loa, Hawaii
    1. According to An Inconvenient Truth, what is causing the carbon dioxide levels to rise?
    2. What is the cause of the annual rise and fall, the annual cycle, in the carbon dioxide levels?
    3. What will be the effects on the planet of the rise in atmospheric carbon dioxide?
    4. In Al Gore's July article in the Rolling Stone, The Turning Point: New Hope for the Climate , Al Gore notes that Last April, the average carbon dioxide concentrations in the Earth's atmosphere exceeded a particular value on a sustained basis for the first time in at least 800,000 years and probably for the first time in at least 4.5 million years (a period that was considerably warmer than at present). What remarkable value for carbon dioxide was exceeded in April 2014?
  2. What is reflection?
  3. What is refraction?
  4. Plot the following data on the graph provided and draw a linear best fit line through the data points on the graph.
    Optical image depth

    Data

    image dist i (cm)object dist o (cm)
    00
    58
    1016
    1524
    2032
    2540
    background rectangle major grid lines axes text layers Depth of an object under glass image depth i (cm) object depth o (cm) y-axis labels 0 5 10 15 20 25 30 35 40 45 50 x-axis labels 0 10 20 30 40 50
    1. ______________ Calculate the slope of the linear best fit line. The slope is the experimental index of refraction for the material.
    2. ______________ __________ Use the equation of the best fit line above to predict the image depth for a coral head that is 200 cm underwater.
    3. ______________ The above material is reported to have a theoretic index of refraction of 1.5. What is the percentage error for the slope you calculated based against a theoretic value of 1.5?
  5. 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.
  6. ___________ __________ What type of circuit produces "no light and no heat"?
  7. ___________ __________ What type of circuit produces "light but no heat"?
  8. ___________ __________ What type of circuit produces "heat but no light" (the wires become hot)?
  9. Plot the data below on the graph provided. Draw a best fit trend line through the data.
    Optical image depth

    Data

    current (A)voltage (V)
    00
    0.41.6
    0.72.8
    1.14.4
    1.24.8
    background rectangle major grid lines axes text layers Current versus voltage current (A) voltage (volts) y-axis labels 0 1 2 3 4 5 x-axis labels 0 0.4 0.8 1.2 1.6 2.0

    ____________ ________ For the data above, what is the resistance?
  10. List three forms of alternate energy generation

  11. 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?
  12. Atomic schematic protons neutrons electrons P13 N14 Atomic center translation Orbitals Remember that the number of neutrons equals or exceeds the number of protons. The number of protons cannot exceed the number of neutrons in a stable element. Thus the more numerous nucleons are the neutrons.
    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?
  13. _______________ What is the common name for compound with the formula H2O?
  14. _______________ In general, what color do acids tend to turn floral pigment fluids?
  15. _______________ In general, what color do bases tend to turn floral pigment fluids?
  16. _______________ Are lime fruits acid, base, or neutral?
  17. _______________ Is baking soda an acid, base, or neutral?
  18. _______________ Is ammonia an acid, base, or neutral?
  19. _______________ Is a bar of hand soap an acid, base, or neutral?
  20. _______________ Is laundry detergent an acid, base, or neutral?
  21. _______________ Is bleach an acid, base, or neutral?
  22. _______________ Is vinegar an acid, base, or neutral?
  23. _______________ Is cream of tartar an acid, base, or neutral?
  24. _______________ Is water an acid, base, or neutral?

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