1. According to Figure 1, when p-waves encounter the boundary between the mantle and the core, the p-waves most likely:
A. stop and do not continue into the core.
B. enter the core and are refracted.
C. change to s-waves.
D. change to a third type of seismic wave.
2. Based on Figure 3, for a given seismograph, the time elapsed between the arrival of the first p-waves and the arrival of the first s-waves from an earthquake focus 10,500 km away would most likely be:
A. less than 5 min.
B. between 5 min and 7 min.
C. between 8 min and 10 min.
D. more than 10 min.
3. According to Figure 2, which of the following statements best describes the relative amplitudes of the first p-waves to arrive at the seismograph and the first s-waves to arrive at the seismograph? The amplitude of the first p-waves to arrive at the seismograph is:
A. smaller than the amplitude of the first s-waves to arrive at the seismograph.
B. larger than the amplitude of the first s-waves to arrive at the seismograph.
C. nonzero, and the same as the amplitude of the first s-waves to arrive at the seismograph.
D. zero, as is the amplitude of the first s-waves to arrive at the seismograph.
4. According to Figure 2, the lake clay deposit is thinnest at which of the following cities or sites?
F. Winnipeg
G. Site 1
H. Site 2
J. Grand Forks
5. According to Figure 3, at Sites 1, 2, and 3, the smallest δ18O value of the groundwater in the lake clay was recorded at a depth between:
A. 0 m and 10 m.
B. 10 m and 20 m.
C. 20 m and 30 m.
D. 30 m and 40 m.
6. In Experiment 3, what is the most likely reason the students used the plastic bottle rather than an aluminum can? Compared to an aluminum can, the plastic bottle:
A. rolled more rapidly down the incline.
B. made bubbles in the liquid easier to see.
C. contained a greater quantity of liquid.
D. had thicker walls and was less likely to break.
7. Based on the results of Experiments 1 and 2, in which of the following trials, before shaking, were the average speeds of the cans the same?
F. Trials 1 and 2
G. Trials 2 and 3
H. Trials 2 and 4
J. Trials 3 and 5
8. Based on Table 1 and Figure 1, which color of light is associated with the wavelength of light that results in the greatest absorption by chlorophyll b?
A. Blue
B. Green
C. Yellow
D. Red
9. In eukaryotic organisms, the chemical reactions associated with the chemical equation shown in the passage typically occur within which of the following structures?
F. Chloroplasts
G. Mitochondria
H. Protein
J. Nuclei
10. Which of the following conclusions is best supported by Figures 1 and 2? The wavelength that results in the highest rate of photosynthesis also results in the:
A. lowest relative absorption by chlorophyll a.
B. lowest relative absorption by chlorophyll b.
C. highest relative absorption by chlorophyll a.
D. highest relative absorption by chlorophyll b.
11. In Experiment 1, the density of ethanol was found to be:
F. less than 0.793 g/mL.
G. 0.793 g/mL.
H. 0.999 g/mL.
J. greater than 0.999 g/mL.
12. Based on the results of Experiments 1−3, the density of PA-11 is most likely:
A. less than 0.793 g/mL.
B. between 0.853 g/mL and 0.958 g/mL.
C. between 0.999 g/mL and 1.05 g/mL.
D. greater than 1.11 g/mL.
13. In Experiment 1, which of the bacterial species fermented lactose?
F. Species B only
G. Species C only
H. Species B and Species D only
J. Species C and Species D only
14. Suppose that in Experiment 2 both Species B and Species C had been added to a large test tube containing sucrose broth and to a large test tube containing lactose broth. Which of the following would most likely depict the results?
A. A. – – + +
B. B. + + – –
C. C. + + + +
D. D. – – – –