Calorimetry (II)
What was the temperature of the propanol after 20 minutes of heating during experiment 3?
65 degrees Celsius
In experiment 2, what additional change could be tested for its effect on catalase activity?
A. addition of sugar
B. addition of salt
C. change in pH
D. change in temperature
A. addition of sugar
In experiment 1, what force would be measured if a wood block with a mass of 0.6 kg was pulled across sand paper B?
about 4N
The mass of planet 3 is approximately ___ the mass of planet 4.
A. 4 times
B. 1/4
C. 1/2
D. 2 times
A. 4 times
How many volcanic eruptions took place at Mount Sano between 1980 and 2002?
A. 5
B. 6
C. 20
D. 24
A. 5
In experiment 1, as the total elapsed time increases, the temperature of the metals...
Increased, then decreased
Based on experiment 2, how much time is needed for enough oxygen to be produced by the yeast to make the filter paper buoyant in acidic conditions?
about 30 seconds
Based on the results of experiment 1, which type of sand paper was used in experiment 2?
Sand Paper A
As part of their initial studies, scientists scanned the planet surfaces for signs of craters caused by asteroids or other small bodies hitting the planet surface. Typically planets within close proximity to asteroids would display signs of craters. According to figure 1, what two planets would most likely contain craters?
A. Planet 2 and Planet 4
B. Planet 3 and Planet 4
C. Planet 2 and Planet 3
D. Planet 1 and Planet 4
B. Planet 3 and Planet 4
Since 1902, how many dormancy periods of 10 years or longer were recorded for Mount Sano?
A. 2
B. 4
C. 5
D. 11
C. 5
Based on experiment 1, what would the temperature of the iron be after 80 seconds?
between 27 and 28 degrees
Why were the test tubes in the water bath for ten minutes?
A. The hydrogen peroxide only begins to decompose after 10 minutes.
B. To allow time to prepare other materials.
C. To allow enough time for heat to be transferred from the water to the hydrogen peroxide until the temperatures are the same.
D. There is no specific reason for this action.
C. To allow enough time for heat to be transferred from the water to the hydrogen peroxide until the temperatures are the same.
Based on both experiments, which sandpaper and block material combo would be expected to have the least friction?
A. Rubber and Sand Paper A
B. Wood and Sand Paper B
C. Glass and Sand Paper C
D. Steel and Sand Paper D
C. Glass and Sand Paper C
If Mars were located in system 273, where would its orbit most likely be located in relation to the other planets in the system?
A. Between Planets 1 and 2
B. Between Planets 2 and 3
C. Between Planets 3 and 4
D. The answer cannot be determined
C. Between Planets 3 and 4
In Figure 2, what is the primary cause of the higher SO2 and CO2 levels in 1975, 1976, and 1981?
A. The temperature of the volcano was highest at these times.
B. These were years where the volcano erupted.
C. These were dormant periods for the volcano.
D. Pollution caused by human activity caused the increase in SO2 and CO2 levels.
B. These were years where the volcano erupted.
The experimental design of experiment 2 differs from experiment 1 in that in experiment 1...
A. the initial temperature of the metal was held constant
B. the mass of the metal was constant in each test
C. the amount of time elapsed was varied
D. the initial temperature of the water was constant
B. the mass of the metal was constant in each test
Hydrogen peroxide is often used as a bleaching agent. It has been suggested that hydrogen peroxide produced within the body leads to gray hair. Considering this, what food might be suggested to prevent gray hair?
A. Potatoes
B. Carrots
C. Liver
D. Dark green vegetables
C. Liver
The student tested a fifth type of sand paper, Sand Paper E. The student measured a force of 4N when using a 0.5kg block. Based on experiment 1, which of the following correctly lists the five types of sand paper in order of increasing friction force between the sand paper and the wood block?
A. A B C D E
B. B D E A C
C. D E B A C
D. C A B E D
D. C A B E D
Planet 2 and Planet 4 have similar diameters, but the surface gravity of each is quite different. What is a possible explanation for this?
A. The gravity of Planet 2 is lower because of the higher mean temperature.
B. The gravity of Planet 2 is lower because it has a slower rotation period.
C. The gravity of Planet 4 is stronger because it is further from the star it orbits.
D. The gravity of Planet 4 is stronger because of its higher mass.
D. The gravity of Planet 4 is stronger because of its higher mass.
According to Table 1, which volcano produces the lowest levels of Sulfur Dioxide?
Mount Meyer
Do the results of experiment 3 support the hypothesis that water has a higher heat capacity than propanol?
Yes, the temperature of the water changed less than that of the propanol with the same amount of energy absorbed.
Which of the following conclusions are supported by the results of experiment 1?
A. Plant tissues contain more catalase than animal tissues.
B. All tissues contain about the same amount of catalase.
C. Liver contained the least amount of catalase.
D. Cooked tissues do not contain as much catalase as raw tissues.
D. Cooked tissues do not contain as much catalase as raw tissues.
According to experiment 1, if the mass of a block is doubled, the force of friction would ___.
A. double
B. triple
C. halve
D. stay the same
A. double
A 5th planet was discovered in the region with a diameter of 63,072 km, a rotation period of 38.2 hours, and a mean temperature of -382 degrees Celsius. Based on the info, where would the expected location of the 5th planet be?
A. Between Planet 1 and Planet 2, because the rotation period is between that of Planet 1 and Planet 2.
B. Beyond Planet 4, because the mean temperature is lower than that of Planet 4.
C. Near Planet 3, because the diameter is similar.
D. The answer cannot be determined.
B. Beyond Planet 4, because the mean temperature is lower than that of Planet 4.
In 1975, the CO2 level of Mount Sano was measured at approximately 1,000 MT/Y. According to Figure 2 and Table 1, what was the approximate total amount in MT/Y of all gas emissions from Mount Sano in 1975, assuming that the same concentration percentages apply?
A. approx 5,000 MT/Y
B. approx 500 MT/Y
C. approx 2,000 MT/Y
D. approx 10,000 MT/Y
C. approx 2,000 MT/Y