click below
click below
Normal Size Small Size show me how
Food and Energy 1
Section one science Key Terms
| Question | Answer |
|---|---|
| Nutrient | Substance in food that provide the raw materials and energy the body needs to carry out all its essential processes |
| Calorie | The amount of energy needed to raise he temperature of ones gram of water by one degree Celsius |
| Carbohydrate | Nutrient composed of carbon, oxygen, and hydrogen that is a major source energy |
| Glucose | A sugar that is a major source of energy for the body's cells |
| Fat | Energy-containing nutrients that are composed of carbon, oxygen |
| Protein | Nutrient that contains nitrogen as well as carbon, hydrogen, and oxygen; they are needed for tissue growth and repair and plat a part in chemical reactions within the cells |
| Amino Acid | Small units that are linked together chemically to form large protein molecules |
| Vitamin | Molecules that act as helpers in a variety of chemical reactions within the body |
| Mineral | Nutrients that are needed by the body in small amounts and are not made by living things |