Living and non-living things (T3 W8)
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Living things are organisms that exhibit characteristics such as growth, reproduction, response to stimuli, and metabolism. Examples include animals, plants, and microorganisms. Non-living things, on the other hand, do not show these characteristics. They can be natural, like rocks and water, or man-made, like toys and buildings. Understanding the differences helps us appreciate the diversity of life and the environment.
Consider a tree and a rock. The tree is a living thing because it grows, produces leaves, and responds to sunlight. In contrast, the rock is non-living; it does not grow or change. Another example is a dog, which is a living organism that eats, sleeps, and reproduces, while a chair is non-living as it serves a purpose but does not exhibit any life processes.
As a class, we will brainstorm examples of living and non-living things. Students will take turns sharing their examples and explaining why they classify them as such. Key vocabulary words will be introduced, including 'organism', 'metabolism', 'growth', and 'stimuli'. Students will write these words in their notebooks and create simple definitions in their own words.
Students will complete a mini-project where they collect five items from home or the classroom. They will categorize these items into living and non-living groups, providing a brief explanation for each classification. Students will then present their findings to the class, discussing the characteristics that led to their classifications.
Answer: They can move on their own
Living things exhibit movement, growth, and reproduction, while non-living things do not.
Answer: A rock
A rock does not exhibit any characteristics of life, such as growth or reproduction.
Answer: A dog; it is classified as a living thing because it grows, eats, and reproduces.
Dogs exhibit all the characteristics of living organisms.
Answer: Non-living things
Non-living things are those that do not exhibit life processes.
Answer: Living things can reproduce.
Reproduction is a key characteristic of living organisms.
Answer: A pencil
A pencil is a man-made object and does not exhibit any life processes.
Answer: Metabolism refers to the chemical processes that occur within a living organism to maintain life.
Metabolism includes processes like digestion and energy production.
Answer: A tree
A tree is a living organism that grows and reproduces.