Food

Food Where Does It Come From for Class 1 Science

Various components of food help perform different functions in our body. This concept will introduce the learners to food and its sources.

After reading the concept, students will be able to:

• Give examples of food from plants and food we get from animals.
• State what is processed food.
• Mention different methods of food preservation.

Here, students will understand the meaning of the term ‘edible’. They would be able to state examples for—

• Edible leaves
• Edible stem
• Edible flowers
• Edible roots
• Edible seeds

Each concept is explained to class 1 students using descriptions, illustrations, and concept maps. After you go through a concept, assess your learning by solving the two printable worksheets given at the end of the page.
Download the worksheets and check your answers with the worksheet solutions for the concept Food where does it come from provided in PDF format.

Anything which gives us energy to do work is called food. The two main sources of food are—plants and animals.

1. Raw Food Items We Get from Plants:

We get raw fruits and vegetables from plants. Some of these are eaten raw, and some are cooked before eating.

1. Fruits:
   
2. Vegetables:
   

Other Food Items We Get from Plants

1. Grains:
   
2. Oil:
   • Oil is obtained by pressing the plant seeds.

   Examples:

   • Mustard oil is obtained from mustard seeds.
   • Groundnut oil from groundnut seeds.
   • Castor oil from castor seeds.
   • Other seeds that are used to obtain oil are olive, almond, sunflower, coconut, etc.

   

Edible parts of plants:

a) Edible Leaves :

b) Edible stem:

c) Edible flower:

d) Edible root:

e) Edible seeds:

• All pulses we eat are seeds.

Examples:

  Moong, gram, rajma, etc.

f) Edible Fruits:

• The fruits we get from plants like orange, mango, guava, and grapes are all edible.
• Moreover, vegetables like tomato, brinjal, ladyfinger, beans, etc. are born as fruits of their respective plants.

ii) Processed Food from Plants:

• The food we get from the plant is consumed directly or converted into different food items before consumption.
• Such items are called processed food.

Examples:

• Bread is made with wheat.
• Idli is made with rice.
• Potato chips are made using potatoes.
• Fruit juices are made using fruit pulp.
• Jams and jellies are made with fruit pulp mixed with sugar.

2. Food from Animals:

i) Processed Foods from Animals:

3. Storage of Food:

• It is necessary to store edible items properly
• Improper food storage may lead to the attack of germs, which makes the food unsuitable for eating.
• Different methods are used for storing different food items. Some of them are mentioned below—

a) Freezing:

• Storing food items in very cold conditions in a refrigerator is called freezing.
• Food items like fruits, vegetables, raw meat, raw fish, etc., can be preserved by freezing.

b) Drying:

• Drying stands for the removal of water from any substance for its storage
• Pulses, rice, wheat, chips, fish, etc., are preserved by this method.

c) Canning:

• Canning stands for the packing of food items in an airtight container for its storage.
• All processed food items are stored using this method.

d) Salting

• Salt does not allow germs to grow on the food items and is used for storing them.
• Fish, raw vegetables, and pickles are preserved by salting.

e) Adding Oil and vinegar :

• Oil and vinegar keep the food items fresh and unaffected by germs
• They are used for making pickles that can be consumed for many days.

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