Grade 4

Weather, water cycle, and observation

Connect daily weather changes with evaporation, clouds, rain, and careful observation.

Category: World Around Us 10 min Confident
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Weather can change from day to day, but some patterns repeat. The water cycle helps explain where clouds and rain come from.

Listen and learn

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W Picture card
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Warm sunlight can make water from puddles slowly disappear into the air.

evaporation

This is water changing into vapour.

Example: Sunlight helps evaporation.

W Picture card
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When water vapour cools high in the air, tiny droplets gather to form clouds.

condensation

Cooling changes vapour into droplets.

Example: Clouds form through condensation.

D Picture card
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Dark heavy clouds may bring rain when the droplets grow large enough to fall.

precipitation

Rain is one form of precipitation.

Example: Large droplets fall as rain.

S Picture card
Sound card Quick practice

Science habit: Write what you notice about the sky, wind, and temperature before making a weather guess.

observation skill

Good weather thinking starts with careful observation.

Example: Observation comes before conclusion.

More in this topic

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