8.L.5 Understand the composition of various substances as it relates to their ability to serve as a source of energy and building materials for growth and repair of organisms. 

8.L.5.1 Summarize how food provides the energy and the molecules required for building materials, growth and survival of all organisms (to include plants). 

8.L.5.2 Explain the relationship among a healthy diet, exercise, and the general health of the body (emphasis on the relationship between respiration and digestion). 

Terms and Concepts

1. food as fuel

2. cell function

3. cellular respiration

4. photosynthesis

5. chemical energy

6. digestion

8.L.5.2 Explain the relationship among a healthy diet, exercise, and the general health of the body (emphasis on the relationship between respiration and digestion). 

Terms and Concepts

1. balanced diet

2. general health of body

3. use of fats, proteins, and carbs as fuel

4. metabolism

5. basal metabolic rate

6. weight gain and loss

7. energy in and out