Life and kitchen science · 5 lessons · 1 quick hit

Food and your body

How your lungs work, why chewing matters, how much energy is in a marshmallow, and the iron in your cereal.

  1. Lesson 113:26you might have huge lungs! (here's how to find out)Learn how to do spirometry at home and see how much air is in your lungs.
  2. Lesson 28:03I took this to family dinner (and you might too!)Learn how to make some huge functional lungs with balloons that inflate without even blowing into them (just like our lungs!) See how pressure and volume relate to air flow in the…
  3. Lesson 35:29Does it actually matter if you chew your food?This experiment examines the effects of surface area and digestion using Alka-selzer. It is a fun lab you can try at home.
  4. Lesson 46:56Cereal Company Mystery IngredientsWas your cereal magnetic? Learn the truth behind magnetic cereals and experiments to see just how magnetic your cereal is.
  5. Lesson 511:46Caloric Density Full LabIn this chemistry and nutrition demonstration, I explore the caloric density of different foods by burning them and measuring the energy they release.

Quick hits

Under a minute each. Good for a "watch this" before dinner.