Science Class 3 - Food Notes

Comprehensive study notes for Class 3 - Food olympiad preparation

Food

Welcome to the chapter on Food for Class 3. In this chapter, you will learn about different types of food, why food is important, where our food comes from, and how to eat healthy. By the end of this chapter, you will understand the importance of food and how to make good choices for a healthy life!

Introduction

Food gives us energy to work, play, and grow. It helps us stay healthy and strong. We eat different kinds of food every day.

Types of Food

  • Energy-giving foods: Rice, bread, potatoes, sugar.
  • Body-building foods: Milk, eggs, pulses, meat, fish.
  • Protective foods: Fruits and vegetables.

Sources of Food

  • Plants: Give us fruits, vegetables, grains, and pulses.
  • Animals: Give us milk, eggs, meat, and fish.

Why Do We Need Food?

  • To get energy for work and play.
  • To grow and build our body.
  • To stay healthy and fight diseases.

Healthy Eating Habits

  • Eat a variety of foods every day.
  • Wash your hands before eating.
  • Eat fresh fruits and vegetables.
  • Drink clean water.
  • Do not eat too much junk food.

Fun Activity: Make a Food Chart

Draw or paste pictures of foods you eat for breakfast, lunch, and dinner. Write which foods are energy-giving, body-building, or protective.

Summary

  • Food is important for energy, growth, and health.
  • We get food from plants and animals.
  • Healthy eating keeps us strong and happy.

Practice Questions

  1. Name two energy-giving foods.
  2. What do we get from animals?
  3. Why should we eat fruits and vegetables?
  4. List two healthy eating habits.
  5. Why do we need food?

Challenge Yourself

  • Make a list of five foods you ate today and group them as energy-giving, body-building, or protective.
  • Draw your favorite healthy meal.

Did You Know?

  • Honey is made by bees from flower nectar!
  • Carrots help keep your eyes healthy.

Glossary

  • Energy: Power to do work and play.
  • Body-building: Helping our body grow strong.
  • Protective: Keeping us safe from diseases.
  • Source: Where something comes from.

Answers to Practice Questions

  1. Rice, bread (any two energy-giving foods).
  2. Milk, eggs, meat, fish.
  3. They keep us healthy and protect us from diseases.
  4. Wash hands before eating, eat fresh fruits and vegetables (any two).
  5. To get energy, grow, and stay healthy.

Eat healthy food every day to grow strong and stay happy!