Energy (Junior Cert Home Economics): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
Process where food breaks down with O₂ to create energy
Process where food breaks down with O₂ to create energy
Oxidation
Two units for measuring energy from food
Two units for measuring energy from food
Kilocalories (kcal) and kilojoules (kJ)
Factor to multiply kcal by to convert to kJ
Factor to multiply kcal by to convert to kJ
4.18
BMR (Basal Metabolic Rate)
BMR (Basal Metabolic Rate)
Basic energy needed to keep body functioning at rest
Energy balance
Energy balance
When energy input equals output (BMR + physical activity)
Energy used per hour when sleeping (kcal)
Energy used per hour when sleeping (kcal)
70 kcal/hour
Energy used per hour when swimming (kcal)
Energy used per hour when swimming (kcal)
500 kcal/hour
Energy used per hour running/playing football (kcal)
Energy used per hour running/playing football (kcal)
900 kcal/hour
Why males usually need more energy than females
Why males usually need more energy than females
Higher muscle mass
How climate affects energy needs
How climate affects energy needs
Colder climates increase needs to maintain body heat
Daily energy needs for a baby (kcal)
Daily energy needs for a baby (kcal)
800 kcal/day
Daily energy needs for a toddler (kcal)
Daily energy needs for a toddler (kcal)
1,300 kcal/day
Daily energy needs for active male adolescent (kcal)
Daily energy needs for active male adolescent (kcal)
2,400-2,800 kcal/day
Daily energy needs for pregnant female (kcal)
Daily energy needs for pregnant female (kcal)
2,400 kcal/day
Daily energy needs for breastfeeding female (kcal)
Daily energy needs for breastfeeding female (kcal)
2,700 kcal/day