Sound and Noise — Flashcards

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Living things like humans and animals make sounds. Humans talk, laugh, cough, or clap. Animals make sounds like barking (dogs), mooing (cows), roaring (lions), and chirping (birds). These sounds help …

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Alarm clock, ticking clock, birds chirping, someone talking, vehicles honking. These sounds come from both living and non-living sources around us.

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Trees make rustling sounds when wind blows. The leaves move and rub against each other, creating a soft sound. This is not the tree 'talking' but a result of wind movement.

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A pleasant sound is one that makes us feel happy and relaxed. Examples: music, birds chirping, waves on a beach, soft rustling of leaves. These are usually soft and not too loud.

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An unpleasant sound makes us feel uncomfortable or irritated. Examples: loud music, honking of vehicles, drilling machines, yelling. These are often very loud and harsh.

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Bird chirping is soft, natural, and calming. It reminds us of nature and peace. Since it is not loud or sudden, it does not disturb us, making it a pleasant sound.

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Vehicle honking is loud, sudden, and often repeated. It can cause stress and disturb sleep or concentration. Because it is harsh and continuous, it is considered unpleasant.

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A soft sound is low in volume and not disturbing. Examples: ticking of a clock, whispering, rustling of leaves. These are usually pleasant and safe for ears.