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Good Afternoon!

Good Afternoon!. Please have out and ready your journals open to Act. 61 Data Table & analysis #1-6 pg. D-46 Take out Agenda-Carbon Footprint Project Extra Credit-Extension Question is due- Act. 61 extension question(report ) due Monday 5/19/14. Act. 63: Measuring Calories. Date: 5/14/14

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Good Afternoon!

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  1. Good Afternoon! • Please have out and ready your journals open to Act. 61 Data Table & analysis #1-6 pg. D-46 • Take out Agenda-Carbon Footprint Project • Extra Credit-Extension Question is due- Act. 61 extension question(report) due Monday 5/19/14

  2. Act. 63: Measuring Calories • Date: 5/14/14 • Challenge Question: How many calories are in a ____________cheese puffed snack_(cheeto)? • Getting Started: What are calories? • How do you measure calories?

  3. What are calories? • F- satured fat • A-sodium • G-the amount of fat contained in your body • E-the amount of energy in food • B-same as G • C-the fat in food • D-fat

  4. How do you measure calories? • A-scale • F-keep track of what you eat • D-doctor checkup • C-burning

  5. Examples of where calories are found • Nutrition • Weight • Food • Human body • Minerals • Drinks • Water-flavored, sparkling, carbonated

  6. Give examples of types of calories • Food • Drinks • Water-certain types of water • Example: sparkling water, carbonated water, flavored water

  7. Introduction

  8. Glossary-Write definition in your own words • 1. Calorie- • 2. calorie- • 3. calorimeter-

  9. Glossary • 1. Calorie- units being used= 1,000 calories • 2. calorie- energy released to raise the temperature in grams of water • 3. Calorimeter-a device that can measure the amount of calories in a food and amount of stored energy.

  10. Materials pg. # • Safety: • Procedure: Steps # 1-7 will be demonstrated, you will record results in your data table • This lab will be modeled

  11. Use formula Step #8 • Energy released (calories) = temp. change of water (˚C) X Mass of water (g) Hint: 1 ml of water weighs 1 gram

  12. Calculating Calories • 1.- Cheetos- ___1__˚C x __100____ g = __100___calories • 2. Doritos - ˚C x ml= calories • 3. Takis -˚C x ml= calories • 4. Lays- • Formula : • Energy released (calories) = temp. change of water (˚C) X Mass of water (g) Hint: 1 ml of water weighs 1 gram

  13. Step #9 • There are 1,000 calories in 1 calorie. • How many calories were in each chip: • 1. Ruffles: • 2. FlaminHots : _100____calories x 1,000= 100,000 Calories • 3. Doritos:

  14. Measuring Calories

  15. Energy Released(calories) = temperature change of water( C) X Mass of water (g) 1 ml of water weighs 1 gram Follow formula to find energy released

  16. Extra Credit • Extra Credit: bring in nutrition labels of your favorite snack (junk food) up to 3, write the formula, calculate it and look at the calories. Circle the snack with the most calories-Due Tues. May 28, 2013 • Picture of Quantifying Energy- 3 points due tomorrow 5/22/13

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