wwhat is a calorie? ›a›a calorie is a scientific way of measuring energy
TRANSCRIPT
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Nutrition: Part 1
Calories & Portion SizesMandek 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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