Energy Math: Fuel Your Body
Understanding Calories as Energy Grade 9 Physical Education Nutrition and Physical Activity
What if I told you food isn't the enemy, but fuel for your body?
Think about your current relationship with food Do you see calories as 'good' or 'bad'? How do you think about energy and nutrition?
What Are Calories?
Calories = Units of Energy Just like a car needs gas, your body needs calories Energy to power all body functions Not 'good' or 'bad' - simply fuel for life
Basal Metabolic Rate (BMR)
Energy your body burns at complete rest Powers essential functions: breathing, circulation, cell repair Like your body's engine idling Sometimes called 'coma calories'
Total Daily Energy Expenditure (TDEE)
BMR + Physical Activity = TDEE Includes exercise, sports, walking, fidgeting Your total daily energy needs Varies based on activity level and lifestyle
Energy Balance: Surplus vs Deficit
{"left":"Calorie Surplus\nMore energy IN than used\nOften needed for building muscle\nSupports growth and recovery","right":"Calorie Deficit\nLess energy IN than used\nOften used for fat loss\nBody uses stored energy"}
Calculate Your TDEE
Use devices to access TDEE calculator Input your age, height, weight, activity level Record your BMR and TDEE results Compare with classmates in small groups Discuss what surprises you about your results
Reflection Questions
What surprised you about your TDEE results? How did different activity levels affect your energy needs? How can understanding your TDEE support your health goals? How does thinking of calories as 'energy' change your perspective?
Key Takeaways
Calories are energy units, not enemies BMR powers essential body functions TDEE includes all daily energy needs Energy balance supports different health goals Understanding your needs empowers healthy choices
Exit Ticket
Write one sentence about your biggest takeaway Share one question you still have about energy balance Identify one lifestyle change you might consider Complete your reflection worksheet