Natural Resources and Human Impact — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Which simple action saves electricity at home?
A) Leaving every lamp on all night
B) Turning off lights when you leave a room
C) Opening the fridge for fun
D) Running the TV with no one watching
Switching off unused lights cuts energy waste quickly.
2. How can a kid save water during daily routines?
A) Run the tap while brushing teeth
B) Take very long bubble baths
C) Turn off the tap while brushing teeth
D) Water the sidewalk every day
Small habits save thousands of gallons each year.
3. Why does recycling help conserve natural resources?
A) It creates more trash overall
B) It uses old materials to make new items
C) It pollutes rivers more quickly
D) It cuts down extra trees daily
Recycling saves trees, oil, and energy used in new products.
4. Which choice replaces a short car ride with a cleaner option?
A) Asking for a ride to the next-door house
B) Walking or biking to a nearby park
C) Driving in slow circles around the block
D) Idling the car in the driveway
Walking and biking produce zero pollution and add exercise.
Part B: Fill in the Blank
Write the correct answer on each line.
1. Turn off the lights when you leave a room to save electricity at home.
Unused lights waste energy from power plants.
2. Close the tap while brushing your teeth to save water each morning.
Saving water protects rivers, lakes, and supplies.
3. Sort bottles and cans into the recycling bin instead of the trash.
Recycling keeps materials out of landfills and reuses them.
4. Planting a tree helps clean the air and gives shade to a yard.
Trees absorb carbon dioxide and release oxygen daily.
5. Walking or biking instead of riding in cars cuts air pollution.
Active travel produces no exhaust and keeps you fit.