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carbohydrate
Carbohydrates provide energy.
Class 3 · Bangla Version · General science
Nutrition and healthy habits
Explore nutrition and healthy habits with an example and your own answers.
Original Kidemy foundation practice · Read the example, write your answers, then check. This starter is shared across class versions; it is not a complete board-specific lesson or course.
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Learn the idea
Food provides substances the body uses for energy, growth and repair. A varied diet supplies different nutrients; clean hands and safe food handling matter too.
Worked example
Rice supplies carbohydrate; lentils supply protein as well as other nutrients. No single food provides everything a person needs.
- Read the example and explain which rule or evidence it uses.
- Try each task yourself, then compare the answer and its reason.
Your written practice
Show your working on paper and enter your answer here. If it does not match, compare the model and try again.
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protein
Protein is a nutrient used for growth and repair.
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different foods
Different foods contribute different nutrients.
Take it further
Apply the idea in a new situation and explain your method. Open writing needs a guardian or teacher to review it.
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protein
Proteins supply building materials used in growth and repair.
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calcium
Calcium compounds contribute to hard bone tissue.
Write in your own words. A guardian or teacher should review this response.
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Different foods provide different combinations of nutrients. A range of suitable foods can help meet different needs.
Explain nutrient variety; do not prescribe an individual diet or promise health outcomes.
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