One Degree Down — Three Days Running

Quick quiz

These ask about details you only notice by really doing the task. Get every one right to pass.

1. 1. After unplugging idle chargers, which device usually still draws standby power when left plugged in?

   A TV or console with a standby lightA battery-free wall clockA disconnected extension cordA wooden lamp switched off at the wall

2. 2. You opened the curtains instead of using lights. When does that save the least?

   On a dark, overcast late afternoonWhen the room faces the sunOn a bright morningAround midday

3. 3. Lowering the thermostat by 1°C typically cuts heating energy by about…

   Less than 0.5%5–10%Nothing — it only saves moneyAbout 50%

4. 4. Why should you decide what you want before opening the fridge?

   Cold air spills out and the fridge works to cool down againThe light bulb overheatsFood spoils instantly when exposedIt resets the thermostat