Why is water so important?

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H2O

What temperature does water boil at?

Is heat absorbed or released when you boil water?

What’s a WAPI?

Water Pasteurization Indicator

Simple thermometer that shows when water is pasteurized

Soy wax melts at pasteurization temperature

What’s pasteurization?

65°C Disease-causing organisms in water,

milk and other liquids are killed by exposure to heat and the liquid is rendered free from E. Coli, Rotaviruses, Giardia, and Hepatitis A

Importance

Water doesn’t have to boil to 100°C to get rid of these bacteria (you can stop at 65°C)

People in underdeveloped countries spend a lot of their day collecting fuel and wood

Importance

About 1 billion people in the world do not have access to safe drinking water

Water-related diseases are responsible for 80% of deaths in third world countries!

WAPIs can be reused

Today you’ll help save lives by making WAPIs!