Environmental Impact IQ Quiz Results

You got 0 / 7 right!

Question 1

Is it more energy-efficient to use a toaster oven or a microwave to heat up your food?

Answer: Microwave

Both microwave and toaster oven are far more energy-efficient than a conventional wall oven. However, most microwaves use between 700 and 1,300 watts, while a typical toaster oven uses between 1,200 and 1,800 watts.

Question 2

About what percentage of the energy is used by your washing machine when washing your clothes in hot water?

Answer: 90%

Washing your clothes in cold water is an easy way to save energy and prevent carbon pollution. Hot water heating accounts for about 90 percent of the energy your machine uses to wash clothes — only 10 percent goes to electricity used by the washer motor.

Question 3

Which uses more water, washing a load of dishes by hand or in the dishwasher?

Answer: By hand

Handwashing dishes can use up to 50% more water than an energy-efficient, water-saving dishwasher. Be sure to look for a dishwasher with the Energy-Saving rating.

Question 4

How many blades does a modern wind turbine have?

Answer: 3

Most modern horizontal-axis wind turbines have three blades. Decades of testing has revealed that the three-blade design is the most efficient design for generating electricity in most cases.

Question 5

Which country currently emits the most greenhouse gases?

Answer: China

With the world's largest population and for decades one of the fastest-growing economies, China is the world's top CO2 emitter. Close to 10,000 million metric tons of CO2 from burning fossil fuel were emitted by China in 2017.

Question 6

Solar, wind, and hydropower energy are all renewable sources of energy. They are called renewable because they:

Answer: can be replenished by nature in a short period of time

Day after day, the sun shines, the wind blows, and the rivers flow, so they replenish quickly.

Question 7

Plastic bags must be recycled separately from your curbside recycling program?

Answer: True

Plastic grocery bags are recyclable, just not in your curbside program because they get caught in the sorting equipment. Please take them back to the grocery store so they can be recycled separately.