1. Jeopardy
Labs 1 & 2
Labs 3 & 4
Labs 5 & 6
Labs 7, 8, & 9
Potpourri
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2. 100 Points
Phenol red does what in the observation and experimentation lab? (what is phenol red?)
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3. 200 Points
What two substances cause the cold reaction in the observation and experimentation lab?
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4. 300 Points
In the lab "Separating a Mixture," what is the first step once you have received your mixture, even before beginning separation with a magnet?
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5. 400 Points
In Separating a Mixture, what is the filtrate and what is the solid residue?
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6. 500 Points
Calculate the percent composition for .83 g iron when your original mixture weighed in at 2.5 g.
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7. 100 Points
Classify the following as a chemical or physical change: Formation of a Precipitate
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8. Classify the following as a chemical or physical change: Burning
200 Points
Classify the following as a chemical or physical change: Burning
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9. 300 Points
Classify the following as a chemical or physical change: Evaporating water
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10. How many sig figs can this graduated cylinder measure to?
400 Points
How many sig figs can this graduated cylinder measure to?
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11. 500 Points
I have measured a liquid 3 times and found an average to be 19.8 mL. First, what is the deviation of one of my measurements if the measurement is Second, what is the percent error if my accepted value is 20 mL.
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12. What is the formula for density?
100 Points
What is the formula for density?
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13. 200 Points
If you were to graph density versus % sugar concentration of a liquid, what would be your independent variable and which would be dependent?
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14. 300 Points
Have your group send a representative to the chalk board to draw a representation of Rutherford's gold foil experiment.
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15. 400 Points Name one of the controls of the Atomic Target Practice lab.
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16. 500 Points
What are the 3 things that can be inferred about the atom based upon Rutherford's experiment?
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17. What has more energy in terms of wavelengths, longer or shorter?
100 Points
What has more energy in terms of wavelengths, longer or shorter?
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18. 200 Points
In the Flame Test lab, the spectral lines emitted were produced by what?
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19. 300 Points
In the Quantum leap lab, as the distance from the bull's-eye increased, what happens to the probability of finding an electron?
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20. 400 Points
Calculate average atomic mass for this substance (correct number of sig figs):
13% of 22.4 g
27% of 22.8 g
60% of 21.9 g
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21. Daily Double, Category: Isotopes
500 Points
Daily Double, Category: Isotopes
What is the effect called that helps us determine whether a combination is a compound or mixture (hint: it bends light)
What is the difference between isotopes of the same element?
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22. What is this safety symbol?
100 Points
What is this safety symbol?
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23. Define Law of Conservation of Mass
200 Points
Define Law of Conservation of Mass
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24. What does this safety symbol stand for?
300 Points
What does this safety symbol stand for?
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25. What is the difference between accuracy & precision?
400 Points
What is the difference between accuracy & precision?
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26. 500 Points
What color in the visible light spectrum has the shortest wavelength, giving it the most energy?
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27. 100 Points
pH indicator
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28. Sodium Bicarbonate & a liquid
200 Points
Sodium Bicarbonate & a liquid
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29. 300 Points
Mass your sample
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30. 400 Points
Salt water - filtrate
Sand - Solid residue
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31. 500 Points
33%
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32. 100 Points
Chemical
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33. 200 Points
Chemical
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34. 300 Points
Physical
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35. 400 Points 3
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36. 500 Points
.5 & 1.0%
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37. 100 Points
Density = mass / volume
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38. 200 Points
% Sugar = independ.
Density = depend.
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39. Mr. Krone will determine
300 Points
Mr. Krone will determine
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40. Size of marble, Position of target, size of target
400 Points
Size of marble, Position of target, size of target
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41. 500 Points
Electrons around nucleus, not close to it...atom mostly empty space...atom has nucleus that has mass.
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42. 100 Points
Shorter
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43. e- changing energy levels
200 Points
e- changing energy levels
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44. 300 Points
Decreases
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45. 400 Points
22.2 g
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46. Same Number of protons, different number of neutrons
500 Points
Same Number of protons, different number of neutrons
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47. 100 Points
Fume Safety Hazard
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48. Mass of products = mass of reactants
200 Points
Mass of products = mass of reactants
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49. Clothing Safety Hazard
300 Points
Clothing Safety Hazard
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50. 400 Points
Accuracy is close to the actual amount, precise measurements are measurements that are all close together.
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51. 500 Points
Violet
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52. Daily Double!!!
Please pick up a pen from the pen tray and, in the box below, write down the amount that you are willing to wager.
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