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A Healthy Diet

In this worksheet, students will look at the importance of a healthy and balanced diet and will look into what can happen if this balance is disturbed.

'A Healthy Diet' worksheet

Key stage:  KS 3

Curriculum topic:   Biology: Structure and Function of Living Organisms

Curriculum subtopic:   Nutrition and Digestion

Difficulty level:  

Worksheet Overview

Food is an essential part of life; needed for energy, building materials and to protect against diseases.   

Different foods provide our bodies with different things. The four basic groups are shown below:

 

Food groups

 

  • Carbohydrates provide energy
  • Fat provides energy and warmth
  • Protein is needed for growth and repair
  • Water is needed to keep the body hydrated
  • Vitamins and nutrients are needed to fight diseases.

 

Health issues can arise when the diet contains too much of one group, or if there is not enough of a particular food type.  

 

 

 

So what about Vitamins and Nutrients?

 

 

 

So what is a balanced diet?

The balanced diet should include at least FIVE portions of fruit and vegetable a day, and a mix of the food groups shown above. The healthy value of total food intake, however, varies from person to person. The total amount of energy that a person requires per day depends on several factors including:

  • AGE – adults and growing teenagers normally require more energy than children
  • GENDER – men normally require more energy than women
  • BODY SIZE – larger body size requires more energy
  • OCCUPATION & FITNESS – a more active lifestyle will require more energy

 

We will now answer some questions on the importance of a healthy diet.

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