Daylight Only — Group Edition

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

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

   When the room faces the sunAround middayOn a bright morningOn a dark, overcast late afternoon

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

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

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

   It resets the thermostatThe light bulb overheatsCold air spills out and the fridge works to cool down againFood spoils instantly when exposed