The Basics
What is the definition of water?
A colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.
How much of Earth is water?
About 71% of Earth is water.
How much water makes up a male body?
55-65% of the body is made of water.
How much water should 5-8 year olds drink per day?
At least 5 glasses per day (>40oz).
What is the chemical formula for water.
H2O.
What are the three states of water?
Solid (ice), liquid, gas (vapor).
What percent of Earth's water is actually safe to drink?
3 percent of water is fresh water, but only 1.2% of Earth's water is drinkable.
How much water makes up a womans body?
45-50% of a womans body is made up of water.
How much water should a 9-12 year old drink per day?
At least 7 glasses per day (>56 oz)
Can you drink too much water?
Drinking too much water can lead to a condition called hyponatremia. This is where sodium levels in the blood become dangerously low, causing swelling of cells and potentially serious health issues.
What is it called when water turns from Liquid to Solid.
Freezing. Water freezes at 32 degrees fahrenheit or 0 degrees Celsius.
What is the name of the continuous movement of water within the Earth and atmosphere?
Water cycle. The water cycle consists of evaporation, condensation, precipitation, and infiltration/runoff.
What percent of a male's body weight is water?
Men have a higher average water content of about 60% because of lower body fat and greater muscle mass. In men, about 60% of total body water is in the intracellular compartment and 40% in the extracellular compartment.
How much water should a 13-18 year old drink per day?
8 to 10 glasses per day (>64 oz)
How many people do not have access to safe drinking water?
Approximately 1.2 billion people lack access to safe drinking water.
What is it called when water turns from solid to liquid?
Water melts at 32+ degrees fahrenheit or 0 degrees celsius.
What are the primary sources of freshwater on Earth?
Freshwater sources include rivers, lakes, glaciers, and groundwater. About 68.7% of the world's freshwater is stored in glaciers and ice caps, while the rest is found in rivers, lakes, and underground aquifers.
What percent of a women's body weight is water?
Women typically have about 50% due to higher body fat and lower muscle mass. For women, approximately 60% of total body water is found in the intracellular compartment and 40% in the extracellular compartment.
How much water should an adult women drink per day?
At least 11.5 glasses (>91 oz)
What percent of global plastic pollution is composed of plastic waterbottles.
10-15%. Much of the pollution is in our oceans.
What is it called when water turns from gas to liquid.
Condensation- this happens when water vapor in the air loses energy and turns into liquid form.
What role do oceans play in our environment?
Oceans absorb a significant amount of the Earth's heat and carbon dioxide, helping to regulate the climate.
What is 1 effect of water on the body?
Water regulates your body temperature to make sure you don't get too hot or too cold. Water also works through physical activity and sweating.
How much water should an adult man drink per day?
At least 15.5 glasses (>125 oz).
What is an alternative to plastic waterbottles?
An alternative is stainless steel or reusable water bottles. Instead of buying new water bottles every time, use a metal waterbottle which limits your use of plastic.