Bike or Walk to School

Quick quiz

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

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

   On a dark, overcast late afternoonOn a bright morningAround middayWhen the room faces the sun

2. 2. Why do short car trips pollute more per kilometre?

   Roads are rougherCold engines burn fuel less cleanlyFuel is weaker in the cityCars go faster in town

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

   About 50%Less than 0.5%Nothing — it only saves money5–10%

4. 4. For a short trip under 2 km, which usually produces the most emissions per person?

   A car with one personA full busBikingWalking