5m kids could find out their own measurements

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Neighborhood: 25m x 10m x 1.5m (Kids could find out their own measurements!) Backyard: Radius=2m, Depth= 1.5m (Cylinder volume!) Mini Lesson 2: Unit Conversion Saliva is measured in ounces. How much is 2,500,000 Liters in ounces? How do you convert? What proportions do you use? Mini Lesson 3: Scientific Notation An Olympic Swimming pool has a volume of about 2,500,000 Liters. Write this in scientific notation. If the average person creates 1 liter of saliva every day for 79 years, how much saliva will they create in a lifetime? Write your answer in scientific notation. Which number is larger? Mini Lesson 4: Is this reasonable? If you are trying to do this as a mini lesson, kids will need as MUCH information as possible. You will need to tell them how much an average pool holds. (Olympic=2.5 million liters) You'll need to tell them how much saliva a person produces each day. (Approximately 1 liter) How long does the average person live? (In the US it is approximately 79 years) Can you use this information to determine if the average person would fill a swimming pool with saliva? How to use this as a full lesson? Expand any of the mini lessons above to include practice problems, a homework worksheet, or a continued exploration. For example: How long would it take to fill a bathtub with saliva? How much saliva does the city of Denver create each day? Each year? Is the amount of saliva created
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