Earth Science

NEEDS TO BE DONE IN AN HOUR

Question 1 (Multiple Choice Worth 2 points)

How can a typical person avoid wasting water at home?

Water the lawn regularly

Recycle cooking water

Take baths instead of showers

Use hot water rather than cold water

Question 2 (Multiple Choice Worth 2 points)

Which of the following is the most wasteful use of water?

Buying energy-efficient appliances

Taking a bath

rather than a shower

Watering plants

with recycled water

Turning off the faucet while brushing teeth

Question 3 (Multiple Choice Worth 2 points)

Which of the following best describes the relationship between water conservation and sanitation techniques?

Improved sanitation techniques reduce water pollution, which promotes water conservation.

Modern sanitation techniques create increasing amounts of water pollution, which hinders water conservation.

Communities that invest in sanitation techniques are less likely to invest in water conservation.

Communities cannot encourage water conservation without also developing sanitation techniques.

Question 4 (Multiple Choice Worth 2 points)

According to the graph, which activity has used the largest amount of water over the past twenty years?

Public Domain

Creating products in factories

Watering livestock

Watering crops

Generating electricity

Question 5 (Multiple Choice Worth 2 points)

Which of the following policies is commonly implemented to improve water conservation in communities experiencing drought?

Limit the amount and length of time that people can use a hose

Hire landscapers to plant new gardens along riverbanks and roads

Encourage markets to stock produce shipped from faraway locations

Give tax breaks to people who switch from low-flow to high-flow showerheads

Question 6 (Multiple Choice Worth 2 points)

Which of the following is the most appropriate use for graywater?

Bathing

Cooking food

Generating electricity
Watering plants

Question 7 (Multiple Choice Worth 2 points)

The following graph shows approximately how much water different categories of activities consume each day. Which of the following activities are correctly arranged from most water consumed to least water consumed in a typical day?

© 2010 FLVS

Flushing toilet, running dishwasher, taking baths

Running clothes washer, showering, running faucets

Running faucets, showering, flushing toilet

Running dishwasher, running clothes washer, flushing toilet

Question 8 (Multiple Choice Worth 2 points)

Which of the following is a myth about water conservation?

An important part of water conservation is preventing water pollution.

Buying bottled water conserves more water than drinking from the tap.

Air-drying clothes conserves more water than using an electric clothes dryer.

A front-loading washing machine uses less water than a top-loading washing machine.

Question 9 (Multiple Choice Worth 2 points)

Which of the following is a way to conserve water quality?

Increasing the use of detergents in water

Increasing the production of new clothing

Buying water from a bottle

Reducing the chemicals dumped into wastewater

Question 10 (Multiple Choice Worth 2 points)

Which of the following activities uses the least water in a typical household?

Showering

Taking a bath

Brushing one’s teeth

Washing a load of dishes

Question 11 (Essay Worth 5 points)

Explain how wastewater can be turned into drinking water.

Question 12 (Essay Worth 5 points)

List and describe five things your community could do to improve water conservation efforts at home.