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Year 7 Science Biological Sciences AC9S7B01

Nutrition & Healthy Eating

Our bodies need a variety of nutrients to function properly. Understanding nutrition helps us make healthier food choices.

What You Need to Know

Key Concept Diagram

Macronutrients: carbohydrates (energy), proteins (growth/repair), fats (energy storage)

Micronutrients: vitamins and minerals needed in small amounts

A balanced diet includes foods from all food groups in appropriate proportions

Energy balance: energy in (food) vs energy out (activity) affects body weight

Key Vocabulary

Nutrient

A substance in food that the body uses for growth, energy, or repair

Carbohydrate

Macronutrient that is the body's main source of energy

Protein

Macronutrient used for building and repairing body tissues

Fibre

Indigestible plant material that aids digestion

Knowledge Check

Select the correct answer for each question. Click "Check Answer" to see if you are right.

Question 1

Which nutrient is the body's PRIMARY source of energy?

Question 2

Vitamin C is found in citrus fruits. It is a:

Question 3

What is the purpose of protein in the diet?

Key Concepts Summary