Anomalous Water Expansion — Practice Quiz

Question 1

Density of water is MAXIMUM at:

Accepted Answer

4°C

Answer

0°C

Answer

10°C

Answer

100°C

Question 2

Volume increase when water freezes to ice:

Accepted Answer

9%

Answer

1%

Answer

20%

Answer

50%

Question 3

Lakes in cold regions freeze:

Accepted Answer

Top down

Answer

Bottom up

Answer

All at once

Answer

Don't freeze

Question 4

What fraction of an iceberg is ABOVE water?

Accepted Answer

~9%

Answer

~50%

Answer

~30%

Answer

~70%

Question 5

Water's anomalous expansion below 4°C is due to:

Accepted Answer

Hydrogen bonding forming an open lattice

Answer

Iron content

Answer

Density of vacuum

Answer

Magnetic effects