Knaph

Energy in food

Food gives the body energy, measured in kilocalories (kcal, often just called calories) or kilojoules. A gram of carbohydrate or protein gives about 4 kcal, a gram of fat about 9. When energy in matches energy used, weight stays about the same; extra is stored, mostly as fat.

Depth 1 · Foundation

You can say where the energy in food comes from, read the energy on a food label, and explain energy balance.

Sign in to prove what you know with a short quiz, see how deep you've gone, and earn XP for it.

Sign in with Google

Depths of understanding

  1. 1

    Foundation

    You can say where the energy in food comes from, read the energy on a food label, and explain energy balance.

Where it fits

Nothing — you can start here.