WorksheetsAP Environmental Math
Total questions: 10
Worksheet time: 10mins
Based on the table, calculate the efficiency of energy transfer in percent for (Energy flow)
-producers to primary consumers
-primary consumers to secondary consumers
-secondary consumers to tertiary consumers
6%, 1.3%, 0.8%
16.7%, 1.3%, 10%
16.7%, 8.0% , 10%
16.7%, 8.0% , 0.8%
12.5%, 10%, 16.7%
A sample of radioactive waste has a half-life of 10 years and an activity level of 2 curies. After how many years will the activity level of this sample be 0.125 curie? (Half-life)
10 years
20 years
30 years
40 years
80 years
The current global human population is about 6.1 billion and is growing at an annual rate of 1.35 percent. If world population were to grow at that rate for the next year, approximately how many people would be added? (population)
8 x 105
8 x 106
8 x 107
8 x 108
8 x 109
The combustion of one gallon of automobile fuel produces about 5 pounds of carbon (in CO2). Two autos are making a trip of 600 miles. The first auto gets 20 miles per gallon and the second gets 30 miles per gallon. Approximately how much less carbon (in CO2) will be produced by the second auto on this trip? (Resources)
300 lbs
150 lbs
100 lbs
75 lbs
50 lbs
In the community described in the table, which of the following represents the respiratory energy (kcal/m2/year) used by autotrophic organisms? (Energy flow)
10
200
1600
2000
10000
If the annual consumption of petroleum in the United States is about 23 barrels per capita, the total annual consumption of petroleum in the United States is closest to (Resources) Hint: What is the approximate population of the US?
12 million barrels
240 barrels
2 billion barrals
6 billion barrels
10 billion barrels
A sample of radioactive waste has a half-life of 10 years and an activity level of 2 curies. After how many years will the activity level of this sample be 0.125 curie?
10 years
20 years
30 years
40 years
The current global human population is about 6.1 billion and is growing at an annual rate of 1.35 percent. If world population were to grow at that rate for the next year, approximately how many people would be added?
8 x 10^5
8 x 10^6
8 x 10^7
8 x 10^8
The combustion of one gallon of automobile fuel produces about 5 pounds of carbon (in CO_2). Two autos are making a trip of 600 miles. The first auto gets 20 miles per gallon and the second gets 30 miles per gallon. Approximately how much less carbon (in CO_2) will be produced by the second auto on this trip?
300 lbs
150 lbs
100 lbs
75 lbs
If the annual consumption of petroleum in the United States is about 23 barrels per capita, the total annual consumption of petroleum in the United States is closest to
12 million barrels
240 barrels
2 billion barrels
6 billion barrels
