Impervious surface — Science definition
A roof, road or compacted ground that prevents infiltration, sending water to runoff within minutes rather than hours.
Where it is taught
- Human Activities, Habitat & Environmental Evidence — Ecological Evidence & Environmental Design, Life Science & Scientific Inquiry, Grade 7
In use
Infiltration is water soaking into the ground; an impervious surface — roof, road, compacted ground — prevents it, sending water to runoff instead.
Human Activities, Habitat & Environmental Evidence