Judge claims about using natural resources

Grade 6 Science Worksheet

Circle the best answer.

1. 1.

   Beside it, a chain of boxes: cause, effect, solution. Which claim do the USGS data for 2015 support, Ari?

   • Public supply used the most water
   • Power plants and irrigation used the most water
   • Each use took about the same amount
   • Industry used more water than irrigation did in 2015
2. 2.

   Beside it, a chain of boxes: cause, effect, solution. Which claim do these EIA data support, Bo?

   • Coal's share will keep falling until it reaches 0% by 2030
   • Both shares stayed about the same
   • Coal's share fell and natural gas's share rose
   • Coal's share rose after 1950
3. 3.

   Beside it, a chain of boxes: cause, effect, solution. Which claim fits these USGS data, Esme?

   • Withdrawals will drop to 0 by 2050
   • Withdrawals fell because more rain fell in those years
   • Withdrawals rose in each later year
   • Total withdrawals fell from 1980 to 2015
4. 4.

   Beside it, a chain of boxes: cause, effect, solution. Using the USGS table, how much more water did thermoelectric power withdraw than irrigation in 2015, Jun?

   • About 94 billion gallons a day
   • About 15 billion gallons a day
   • About 79 billion gallons a day
   • About 251 billion gallons a day
5. 5.

   Beside it, a chain of boxes: cause, effect, solution. Using the USGS table, about how much less water was withdrawn in 2015 than in 1980, Luz?

   • About 88 billion gallons a day
   • About 757 billion gallons a day
   • About 113 billion gallons a day
   • About 33 billion gallons a day
6. 6.

   Beside it, a chain of boxes: cause, effect, solution. Claim: "Irrigation is one of the two biggest US water uses." Using the USGS table, which evidence supports it, Noah?

   • Irrigation withdrew 118 billion gallons a day in 2015
   • Rain helps crops grow in spring
   • Farms grow much of the nation's food
   • Irrigation withdrew 14.8 billion gallons a day in 2015
7. 7.

   Claim: "Homes can save water by fixing leaks." Which evidence supports it, Pia?

   • EPA: a home's leaks can waste over 9,300 gallons a year
   • Each American uses about 82 gallons of water a day at home
   • Leaks often make a dripping sound
   • Some homes have two bathrooms
8. 8.

   Ren's chain: watering big lawns in a dry town → aquifer levels drop → ? Which solution matches the cause?

   • Add more lawn to the parks
   • Plant native plants that need less watering
   • Pump the aquifer faster
   • Water the lawns at noon instead
9. 9.

   Tala's chain: old toilets use a lot of water → high home water use → ? Which solution matches the cause?

   • Swap in water-saving toilets
   • Flush twice each time
   • Use a bigger water heater
   • Run the dishwasher more often
10. 10.

    Cause, "burning fuel for short car trips"; effect, "more carbon dioxide in the air"; solution, "?". Zee's chain: burning fuel for short car trips → more carbon dioxide in the air → ? Which solution matches the cause?

    • Leave the car running while parked
    • Walk, bike or share rides for short trips
    • Drive alone more often
    • Leave the porch lights on