| A | B |
|---|
| energy (n) | the ability to do work |
| fuel (n) | a substance that is burned to release heat energy |
| joule (n) | unit of measurement for work; the amount of energy equal to the work done by a force of 1 Newton acting through a distance of 1 m |
| Calorie (n) | a unit of heat energy or energy in foods |
| chemical potential energy (n) | the energy stored in fuels and food |
| small intestine (n) | the part of the intestine that food enters after it leaves the stomach; the main site of nutrient absorption |
| reactant (n) | one of the substances that we start with in a chemical reaction; what reacts together |
| product (n) | a substance that is made in a chemical reaction |
