Facts of water

About 50 percent of the world's fresh water is stored in glaciers.

• True

• False

Answer explanation

The correct number is about 69%.

Seventy percent of the human brain is water.

• True

• False

Water expands when it freezes.

• True

• False

It is not possible for fish to drown.

• True

• False

Answer explanation

Fish need oxygen to live. If the water they are swimming in does not have enough oxygen, they can drown.

There is no water on the moon.

• True

• False

Answer explanation

NASA has discovered water in the form of ice on the moon.

It takes 10 gallons of water to grow one apple.

• True

• False

Answer explanation

It takes 18 gallons.

One percent of the world's water is drinkable.

• True

• False

Hot water is heavier than cold water.

• True

• False

Answer explanation

The opposite is true.

It takes almost 3,000 gallons of water to make a pair of blue jeans.

• True

• False

A man held his breath underwater for 30 minutes.

• True

• False

Answer explanation

The world record for holding one's breath underwater is 22 minutes.