What percentage of the Earth's surface is covered by water?
Answer: B) 71%
How much of the Earth's water is freshwater?
Answer: A) 3%
What is the salinity of ocean water (percentage of salt in seawater)?
Answer: B) 3.5%
Water needed to produce a teaspoon of coffee
What is the chemical formula for water?
Answer: B) H₂O
What is the largest freshwater lake by surface area?
Answer: B) Lake Superior
Which country has the most lakes in the world?
Answer: A) Canada
Deaths from dirty water every year
3.4 million
Which ocean is the largest on Earth?
Answer: D) Pacific Ocean
What is the deepest ocean trench in the world?
Answer: A) Mariana Trench
How long can a person survive without water?
Answer: B) 3-5 days
Percentage of people without running water
50 %
What is the process called when water changes from a liquid to a gas?
Answer: B) Evaporation
What is the term for water that is safe to drink?
Answer: B) Potable water
What is the only substance on Earth that naturally exists in solid, liquid, and gas forms?
Answer: B) Water
Daily water needed to prepare food for a family of four
6,800 gallons
What type of water do humans mostly drink?
Answer: B) Freshwater
What is the main source of Earth's freshwater?
Answer: B) Ice caps and glaciers
What is the largest river in the world by volume of water discharged?
Answer: B) Amazon River
42 thousand