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Living and Non-Living Things Chapter Notes | Science Olympiad Class 4 PDF Download

Introduction

  • Our planet, Earth, is teeming with a rich diversity of entities, comprising both living organisms and non-living objects.
  • Living things are distinguished by their ability to exhibit vital life processes, which non-living things lack.

Living Things

  • Living organisms are structurally organized into cells, which serve as the fundamental units of life.
  • These cells perform specialized functions necessary for survival.
  • One of the defining features of living things is their engagement in metabolic processes. Through metabolic activities, living organisms acquire energy from nutrients and carry out various physiological functions.
    Living and Non-Living Things Chapter Notes | Science Olympiad Class 4

Living and Non-Living Things Chapter Notes | Science Olympiad Class 4

  • Reproduction is a fundamental characteristic of living organisms. Through reproduction, living beings generate offspring, ensuring the continuity of their species.
  • The spectrum of living things encompasses a diverse array of organisms, including animals, plants, birds, insects, and humans.
  • Living organisms exhibit several key characteristics, including cellular organization, respiration, nutrition, growth, locomotion, response to stimuli, excretion, and reproduction.

Question for Chapter Notes: Living and Non-Living Things
Try yourself:
Which of the following is a characteristic of plants?
View Solution

Plants are also living things

  • A small plant is born from a seed and grows up to become a big plant. 
  • Plants also need food and air to grow.
    Living and Non-Living Things Chapter Notes | Science Olympiad Class 4
  • Plants do not move from one place to another. But they move their parts. Like, the sunflower turns its face towards the Sun.
  • The leaves of the touch-me-not plant close down when touched.

Living and Non-Living Things Chapter Notes | Science Olympiad Class 4

Non-Living Things


  • Non-living entities lack essential life processes like eating, breathing, and feeling.
  • They cannot move, grow, or reproduce.
  • Non-living things fall into two categories: Natural and Man-made.
  • Natural things exist in nature and are not created by humans.
  • Examples of natural things include water, stones, mountains, clouds, the moon, and stars.
    Living and Non-Living Things Chapter Notes | Science Olympiad Class 4
  • Man-made things are created by humans and include objects like toy trains, books, tables, and chairs.
Living and Non-Living Things Chapter Notes | Science Olympiad Class 4

Question for Chapter Notes: Living and Non-Living Things
Try yourself:
Which of the following characteristics is unique to living organisms?
View Solution

Difference Between Living and Non-Living Things


Living and Non-Living Things Chapter Notes | Science Olympiad Class 4

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FAQs on Living and Non-Living Things Chapter Notes - Science Olympiad Class 4

1. What are some examples of living things?
Ans. Some examples of living things include plants, animals, insects, and humans.
2. Can non-living things grow and reproduce like living things?
Ans. Non-living things do not grow or reproduce like living things. They do not have cells or the ability to carry out life processes.
3. How can you differentiate between living and non-living things?
Ans. Living things show characteristics such as growth, reproduction, movement, response to stimuli, and the need for energy, while non-living things do not exhibit these characteristics.
4. Is a rock considered a living or non-living thing?
Ans. A rock is considered a non-living thing as it does not possess characteristics such as growth, reproduction, or the ability to respond to stimuli.
5. Why is it important to understand the difference between living and non-living things?
Ans. Understanding the difference between living and non-living things helps us appreciate the diversity of life on Earth and allows us to better care for our environment and ecosystems.
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