1. refraction data and graph ☁: ________________________
  2. ☁: ________________________
  3. ☁: ________________________
  4. Define reflection.
  5. Define refraction.
  6. Define total internal reflection.
  7. __________ Based on the image at the right, what is the index of refraction for water?
  8. A student gathered the data seen in the table seen further below.
    1. ______________ Calculate the slope of the line. The slope is the experimental index of refraction for water.
    2. ______________ __________ Use the slope above to predict the object depth for a penny that appears to be 30 cm underwater.
    3. ______________ __________ Use the slope above to predict the image depth for a coral head that is 200 cm underwater.
    4. ______________ Water has a published index of refraction of 1.33. What is the error for the slope?
    5. ______________ Water has a published index of refraction of 1.33. What is the percentage error for the slope?
    Graphical analysis

    Water Data

    image dist
    i (cm)    		object dist
    o (cm)
    00
    2028
    4056
    6084
    80112
    background rectangle major grid lines axes text layers Index of Refraction for water image depth i (cm) object depth o (cm) x-axis labels 0 10 20 30 40 50 60 70 80 90 100 y-axis labels 0 10 20 30 40 50 60 70 80 90 100 110 120
  9. From the video "Power comes in many forms" give three examples of different forms power can come in - what are three alternatives from the video?
  10. A Whirlpool dryer uses 26 amps of current at 240 volts.
    Electrical appliance Electrical appliance
    1. __________ _____ Given that V = iR, calculate the resistance R for the dryer.
    2. __________ _____ Given that P = iV, calculate the power P for the dryer.
    3. __________ Power is now forty cents per kiloWatt hour, or $0.40 for 1000 Watts for one hour. How much does it cost to run the dryer for one hour?
  11. The North-Rep video detailed alternate energy sources being deployed in different places. What were the North-Rep projects on...
  12. 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?
  13. 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?
  14. _______________ What is the common name for compound with the formula H2O?
  15. _______________ In general, what color do acids tend to turn floral pigment fluids?
  16. _______________ In general, what color do bases tend to turn floral pigment fluids?
  17. _______________ Are lime fruits acid, base, or neutral?
  18. _______________ Is vinegar an acid, base, or neutral?
  19. _______________ Is cream of tartar an acid, base, or neutral?
  20. _______________ Is water an acid, base, or neutral?
  21. _______________ Is baking soda an acid, base, or neutral?
  22. _______________ Is ammonia an acid, base, or neutral?
  23. _______________ Is a bar of hand soap an acid, base, or neutral?
  24. _______________ Is laundry detergent an acid, base, or neutral?
  25. _______________ Is bleach an acid, base, or neutral?
  26. Draw a diagram on the back with protons, neutrons, and electrons for HF (hydrofluoric acid, a compound of Hydrogen and Fluorine).