Food Tests

Class 6 Science: components of food

Test foods for starch, fat and protein, the way you would in a school lab, and fill in your results table.

Words to know

Nutrient
A part of food the body needs, like carbohydrates, fats and proteins.
Starch
A carbohydrate that gives energy; found in rice and potatoes.
Fat
Gives a lot of energy; found in oil, butter and nuts.
Protein
Helps the body grow and repair; found in dal, eggs and milk.

Quick check

Answer 3 questions to check what you learned.

1. Iodine turns blue-black with…
2. A food leaves an oily patch on paper. It contains…
3. Which food is rich in protein?

Try at home

Rub a groundnut on a piece of paper and hold it up to the light. Do the same with a slice of potato. Which leaves an oily patch?

Next, try a full lab