Worksheets2025 AP Environmental Science Unit 6 Test Review OPTIONAL
Total questions: 15
Worksheet time: 43mins
Name
Class
Date
1.
If a 100 W incandescent bulb uses 400 kJ of energy per hour. How much would a CFL use that is 3 times as efficient IN 30 MINUTES?
a)
66 kJ
b)
133 kJ
c)
200 kJ
d)
1200 kJ
2.
One gallon of fuel produces 5 lbs of CO2. Two cars drive 100 miles each. The first gets 10 MPG. The second gets 25 MPG. How much LESS CO2 is produced by the second car?
a)
10 pounds
b)
50 pounds
c)
30 pounds
d)
15 pounds
3.
Fremont, with a population of 300,000 people, uses 8million Btu of energy each day. The yearly per capita energy consumption in the city is nearest to
a)
10,000BTU
b)
1,000,000Btu
c)
10,000,000Btu
d)
1,000,000,000Btu
e)
10,000,000,000Btu
4.
Strontium-90 has a half-life of 29 years. If a site held 2000 kg of this isotope, approximately what mass of Strontium-90 would be left after 116 years?
a)
1000 kg
b)
500 kg
c)
250 kg
d)
125 kg
5.
One gallon of fuel produces 5 lbs of CO2. Two cars drive 100 miles each. The first gets 10 MPG. The second gets 25 MPG. How much LESS CO2 is produced by the second car?
a)
10 pounds
b)
50 pounds
c)
30 pounds
d)
15 pounds
6.
What is the half-life of Iodine 131?
a)
32 days
b)
24 days
c)
16 days
d)
8 days
7.
Acid mine drainage is the result of
a)
ash and air debris creating acid rain
b)
boulders and debris blocking the flow of rivers/streams
c)
toxins in tailings leaching into the soil
d)
minerals from mining being left behind creating pollution
8.
The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?
a)
100.0g
b)
50.0g
c)
12.5g
d)
8.5g
9.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
10.
Fermium-253 has a half-life of 0.334 seconds. A radioactive sample is considered to be completely decayed after 10 half-lives. How much time will elapse for this sample to be considered gone?
a)
0.334 seconds
b)
3.34 seconds
c)
1.77 seconds
d)
13.4 seconds
11.
Nuclear energy generates ________ waste instead of _____________.
a)
radioactive, air pollutants
b)
air pollutants, ash
c)
CO2, uranium ore
d)
radioactive, uranium ore
12.
If Canada has a population of 35 million people and the annual consumption of petroleum in Canada is 12 barrels per capita, the total annual consumption is closest to
a)
420 million
b)
420 billion
c)
5.4 billion
d)
540 million
13.
what is the earliest stage of coal? (this has the least amount of energy and is the youngest)
a)
peat
b)
lignite
c)
bituminous
d)
anthracite
14.
Passive solar design includes all of the following except
a)
large windows on the south side of the house
b)
floor and walls that will store heat in the winter
c)
overhang that blocks the sun in the summer, but allows it inside in the winter
d)
trees that block the sun for the entire year
15.
If a 100 W incandescent bulb uses 400 kJ of energy per hour. How much would a CFL use that is 3 times as efficient IN 30 MINUTES?
a)
66 kJ
b)
133 kJ
c)
200 kJ
d)
1200 kJ
100 %
