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Investigating Calories: Energy Measurement Experiment

Explore the concept of calories with an interactive experiment to measure energy in different foods. Understand calorie units and compare energy content of pecans, cereal, and cheetos. Calculate energy outputs and decide which food gives more energy.

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Investigating Calories: Energy Measurement Experiment

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  1. Take out a sheet of paper. Please do not touch the materials on the tables.

  2. What is a calorie?

  3. Your hypothesis… • Which foods will have the most calories? • Pecans • Cereal • Cheetos

  4. Food Labels Cheetos Cereal Pecans

  5. Measuring Energy Conclusion Questions A calorie is the amount of energy needed to raise the temperature of one mL of water by one degree Celsius. Based on this information and your investigation, answer the following questions. • How many calories are needed to raise the temperature of 50 mL of water by one degree? • Based on your observations, how many calories were given off by the cereal? (Hint: multiply the change of temperature in degrees that you observed by 50.) • How many calories were given off by the pecan? • Would you get more energy from eating a similar size portion of pecans or cereal? Why?

  6. Items that should remain on your table: • Soda can apparatus • Beaker • Tweezers • Candle • Calculator • 2 blue lab sheets • 4 goggles

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