nutrition: part 1
DESCRIPTION
Nutrition: Part 1. Calories & Portion Sizes Mandek Richardson STARS University of South Florida. Calories. What is a calorie? A calorie is a scientific way of measuring energy. Review Time. Do you remember what energy is? Energy is the ability to do work or to move an object. - PowerPoint PPT PresentationTRANSCRIPT
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Nutrition: Part 1Calories & Portion Sizes
Mandek Richardson STARS
University of South Florida
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Calories What is a calorie?
› A calorie is a scientific way of measuring energy.
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Review Time
Do you remember what energy is?› Energy is the ability to do work or to move
an object
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Calories Why do we need calories?
› We need energy in order for our body to stay active and to perform necessary functions like breathing, digestion, etc.
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Calories How many calories do we need to stay
alive?
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Calories What happens when you eat too little or
too many calories
Not enough calories you lose
weight
Too many calories you gain weight
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Calories How many calories would you need to
cut to lose 1 pound of fat?
Answer: 3500 calories
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Calories How do scientist define calories?
› A calorie is the energy needed to raise the temperature of 1 gram of water by 1 degree Celsius
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Calories How would you
calculate the number of calories in cheese
curls?
Hint you will need this
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Calories/Energy/Work
How much energy does this piece of chocolate
contain?
It contains 26 calories
That’s enough energy to lift an SUV over 6 feet in the air!
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Do all food measure up?
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Eat This Not That! 1 gram of
carbohydrates = 4 calories
1 gram of protein = 4 calories
1 gram of fat = 9 calories
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