What Do You Really Know About Water? Test Yourself

 

Which of these are true?

• A: More than 90% of the world's supply of fresh water is located in Antarctica.
• B: All tap water is 100% free from contaminants and perfectly safe to drink everywhere in the world.
• C: Water is the only substance on earth that is found naturally in three forms: liquid, solid and gas.
• D: Frozen water is 9% lighter than water, which explains why ice floats.
• E: Distilled water is harmful to human health because it lacks minerals.
• F: The earth is a closed system that rarely loses or gains extra matter. Essentially, this means that the same water that existed on earth millions of years ago is still present today.
• G: Seawater can be used directly in car engines as a coolant.
• H: Our bodies are 60-70% water; our brains are 75% water; our lungs are nearly 90% water; and our blood is about 82% water.
• I: If you ever catch a fever, be sure to drink lots of water?it regulates your body temperature.
• J: Rainwater is always pure and safe to drink without any treatment.
• K: Canada is home to 25% of the world's wetlands. In fact, it's the largest wetland area in the world.
• L: Drinking large amounts of water in a short period has no adverse health effects.
• M: In Canada, there is more water underground than on the surface.
• N: Coffee is dehydrating
• O: Less than 1% of the water supply on earth can be used as drinking water.
• P: A trillion tons of water is evaporated every day by the sun!
• Q: Distilled water is harmful to human health because it lacks minerals.
• R: Water can only freeze when the temperature is below 0°C, regardless of impurities or pressure.
• S: Adding salt to water while boiling increases the boiling point significantly.
• T: When you age, thirst is unreliable. Hunger can indicate thirst. Drink on a schedule to ensure dehydration doesn't lead to a stroke
• U: Water always boils at 100°C, regardless of altitude or atmospheric pressure.
• V: There are two kinds of water: salt water and fresh water. Fresh water has a dissolved salt concentration of less than 1%. Only fresh water can be used as drinking water.
• W: Americans use five times the amount of water that Europeans use.
• X: Most of the water found on the earth's surface is permanently frozen or salty.
• Y: Pure water has no smell and no taste. It also has a pH level of around 7.
• Z: A small drip from a faucet can waste as much as 75 litres of water a day.