Low temperature

What is the lowest temperature ever recorded on Earth?

• • -1.9°C

• • -37°C

• • -89°C

• • -273°C

Which of the following contribute(s) to low temperature at the poles? (select all that apply)

• Curvature of the Earth

• Equatorial weather patterns

• High albedo

• High attenuation

Which is colder, the North pole or the South pole?

• Equally cold

• North pole
• South pole
• Varies year by year

Which of the following is not characteristic of the Arctic?

• Intensive growing season

• Polar bears

• Relatively stable temperatures

• Thin, fragile soils

At what temperature does sea water typically freeze?

• Below -10°C

• -10°C to -5°C

• -2°C to 0°C

• 0°C to 2°C

What is the lowest ever recorded temperature of sea water?

• -1.9°C

• -2.6°C

• -9.7°C

• -47.4°C

What happens to water when it is cooled below 4°C?

• It contracts

• It disappears

• It expands

• It freezes

Is oxygen content higher in warm or cold water?

• Cold water

• It depends on salinity

• No difference

• Warm water