Skip to content / Đến nội dung
ThichHocToan.com

ASMO Science Olympiad 2014 — Division P, Level 2 (Years 5 & 6) Question 13

ASMO Science · ASMO Science Olympiad 2014 — Division P, Level 2 (Years 5 & 6)

Question 13

During winter, only the top layer of the lake or river freezes. The floating ice acts as insulation to prevent the freezing of water below it.

Which of the following properties of water allow aquatic life to survive in extremely cold conditions?

Question illustration
  1. Ice is denser than water.
  2. Aquatic life is temporarily frozen in winter.
  3. Water has greatest density at 4°C.
  4. Water expands at 0°C.