Water main - Large underground pipes that transport clean water to our homes, schools, and businesses., Yoke - A wooden device used by Pioneers to transport water., Germs - Microorganisms such as bacteria and viruses that can make us sick., Wash our hands - Something we should do often to prevent the spreading of germs., Virtual water - The total amount of water needed to produce and process the things we buy., Salt water - This makes up most of the water on Earth., Rain water - This can be acidic and contain chemicals. We should not drink it because it can make us sick., Fluoride - This is added to our drinking water to keep our teeth healthy., Organs - These require water to function properly., Lungs, heart, and brain - Organs that require a lot of water to function.,

Knowledge Check 3 (Beach Area)

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