Unit 103 power point 2 2025

State one thing, why it is important to conserve water and electricity in domestic dwellings because?

• It helps save resources and reduce bills.

• It increases pollution.

• It wastes resources.

• It causes water shortage.

Why is it important to use environmentally friendly practices?

• So it's less harmful to the environment.

• Because it is more expensive.

• To increase pollution.

• To waste resources.

Why should we reduce CO2 emissions into the atmosphere during the production of electricity?

• To reduce CO2 into the atmosphere during production of electricity.

• To increase air pollution levels.

• To deplete natural resources faster.

• To make electricity more expensive.

What is a financial benefit of saving energy and water?

• To save money.

• To increase pollution.

• To waste resources.

• To raise utility bills.

Name a device that can help reduce water flow and save water.

• Flowing reducing valve

• Water heater

• Pressure cooker

• Electric fan

What is a more water-efficient alternative to taking a bath?

• Use a shower instead of a bath

• Leave the tap running while brushing teeth

• Fill the bathtub to the top every time

• Wash clothes by hand in a full tub

What type of lighting can save 30% energy?

• Energy efficient lights (saves 30% energy)

• Incandescent bulbs

• Halogen lamps

• Neon lights

The earth’s energy resources are being used up all the time. Many countries and homes are still relying on fossil fuels which damage the earth’s climate. Which of the following are fossil fuels?

• Coal, oil, and natural gas

• Solar, wind, and hydroelectric

• Geothermal, biomass, and tidal

• Nuclear, solar, and wind

What do all fossil fuels produce when burnt?

• Oxygen and nitrogen

• Carbon dioxide (CO2) and water vapour

• Methane and hydrogen

• Sulphur dioxide and ozone

Fill in the blank: CO2 is one of the most damaging _______ gases and is produced by power stations, boilers and fires.

• greenhouse

• noble

• inert

• alkaline