1.4.7

Energy Needs

Test yourself

Energy Needs

The amount of energy a person needs depends on a few factors.

Illustrative background for What determines your energy needs?Illustrative background for What determines your energy needs? ?? "content

What determines your energy needs?

  • How active you are.
  • Your biological sex.
  • How old you are.
Illustrative background for Average energy needsIllustrative background for Average energy needs ?? "content

Average energy needs

  • The average amount of energy a man must eat in a day is 2,500 kcal/10,500 kJ.
  • The average amount of energy a woman must eat in a day is 2,000 kcal/8,400 kJ.
  • You know how much energy you are consuming because food and drink include this information on the labels to help people avoid over- and under-eating.
Illustrative background for ProblemsIllustrative background for Problems ?? "content

Problems

  • If you consume too many calories, you are likely to become obese, or overweight.
  • If you consume too few calories, you are likely to become underweight.
  • In both cases, you can become malnourished if you don’t get all the required food groups, vitamins and minerals.

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

Go student ad image

Unlock your full potential with GoStudent tutoring

  • Affordable 1:1 tutoring from the comfort of your home

  • Tutors are matched to your specific learning needs

  • 30+ school subjects covered

Book a free trial lesson