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Living things and non-living things are all around us at home, in school, and outside. A flower, a dog, and a bird are living things because they need food, water, air, and space to live. A chair, ball, book, and toy car are non-living things because they do not grow, eat, breathe, or have babies. Learning the difference helps children observe the world like young scientists.

Key Facts

  • Living things need water, air, food, and space.
  • Living things can grow and change over time.
  • Many living things can move by themselves, such as dogs, birds, worms, and fish.
  • Non-living things do not eat, breathe, grow, or have babies.
  • Some non-living things can move only when something pushes, pulls, winds up, or powers them.
  • Total objects = living things + non-living things.

Vocabulary

Living thing
A living thing is something that needs water, air, food, and space and can grow or change.
Non-living thing
A non-living thing is something that does not eat, breathe, grow, or have babies.
Grow
To grow means to get bigger or change as time passes.
Needs
Needs are things a living thing must have to stay alive, such as water, air, and food.
Observe
To observe means to look, listen, and notice details carefully.

Common Mistakes to Avoid

  • Calling a toy animal living because it looks like an animal is wrong because toys do not eat, breathe, grow, or have babies.
  • Calling a plant non-living because it stays in one place is wrong because plants grow and need water, air, light, and space.
  • Thinking all moving things are living is wrong because a toy car, fan, or clock can move when powered or pushed.
  • Forgetting that small animals are living is wrong because worms, insects, and fish still need food, water, air, and space.

Practice Questions

  1. 1 In a garden scene, there are 1 tree, 3 flowers, 2 birds, and 1 dog. How many living things are there?
  2. 2 In a classroom scene, there are 4 books, 2 chairs, 1 ball, and 3 crayons. How many non-living things are there?
  3. 3 A plant does not walk or talk, but it needs water and light and gets bigger over time. Explain why it is a living thing.