What do you know about energy saving?

What is a wind turbine?
1. A metal that rotates with the help of wind's energy
2. A device that converts the wind's kinetic energy into electrical power
3. A conditioner
4. An appliance that uses sun light to produce energy
How do wind turbines help the environment?
1. They produce electricity from from a free, renewable source.
2. They disperse clouds.
3. They scare off moles, predators and other pests
4. They cool in hot weather.
Which lamps one should use to make the house enviroment-friendly?
1. Incandescent bulbs
2. Fluorescent lamps
3. Daylight lamps
4. Energy saving lamps
Which home appliance will still operate if the house is out of power?
1. A microwave oven
2. A fridge
3. A TV
4. A mobile phone
Which home appliance uses the most energy?
1. PC that is always switched on.
2. A hair dryer used once a day.
3. A microwave oven that is used three times a day.
4. An electric kettle used three times a day.
If you turn on an electric oven for 30 minutes, then
1. you can go the store.
2. you can meet your friends as it will automatically turn off.
3. you can go for a walk and return in 30 minutes.
4. you should stay at home as an operating electric oven must not be left unattended.
When leaving house,
1. turn off the light in the hall.
2. turn off the light in all rooms.
3. turn off the radio.
4. All previous answers are correct.
When firewood burns, it releases energy. How is this energy accumulated in the firewood?
1. During the preparation of the firewood in the forest
2. While firewood is cut
3. During the drying of firewood
4. Trees when growing absorb solar energy.
What converts solar energy into electricity?
1. A sundial
2. Solar batteries
3. Wind generators
4. Solar eclipse
Which vehicle is the most eco-friendly?
1. A tram
2. A trolleybus
3. A bus
4. A taxi
What pollutes the environment the least?
1. A plane
2. A steamship
3. A bus
4. A bike
Why do we change the clocks in autumn and spring?
1. To save electricity
2. For spring to come one hour earlier
3. For children to sleep one hour longer in winter
4. For clocks to show precise time
What can you do to save energy at home?
1. Take a shower instead of bath
2. Turn off the lights when you do not need them anymore.
3. Unplug all the devices when you do not use them.
4. All previous answers are correct.

What do you know about energy saving?

Quiz