AP Environmental Science Math

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?

• 66 kJ

• 133 kJ

• 200 kJ

• 1200 kJ

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?

• 10 pounds

• 50 pounds

• 30 pounds 

• 15 pounds

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

• 10,000BTU

• 1,000,000Btu

• 10,000,000Btu

• 1,000,000,000Btu

• 10,000,000,000Btu

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?

• 1000 kg

• 500 kg

• 250 kg

• 125 kg

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?

• 100.0g

• 50.0g

• 12.5g

• 8.5g

Tags

NGSS.HS-PS1-8

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?

• 0.334 seconds

• 3.34 seconds

• 1.77 seconds

• 13.4 seconds

Tags

NGSS.HS-PS1-8

Environmental Science for AP* provides us with AP-style multiple choice, FRQ, and math questions to practice in each chapter.

• True

• False

What kind of graph is this?

• line graph

• bar graph

• table

• pie chart

A wind turbine generates 2 MW of power. If it operates for 10 hours, how much energy does it produce?

• 20 MWh

• 200 MWh

• 2 MWh

• 0.2 MWh

Tags

NGSS.HS-PS3-1

A solar panel has an efficiency of 15% and receives 1000 W/m² of solar energy. How much power does a 10 m² panel produce?

• 1500 W

• 1000 W

• 150 W

• 15 W

Tags

NGSS.HS-PS3-1