EVS · lesson 21 of 30 · free

The water cycle — EVS worksheet

Water can be a solid (ice, snow), a liquid (rain, sea water) or a gas (water vapour, steam). The sun heats water so it rises as vapour (evaporation); high up it cools into tiny drops that form clouds (condensation); the drops fall as rain, hail or snow (precipitation) and flow back to the sea. This endless journey is the water cycle.

▶ Watch how it works

Got it? Practise ↓

Remember

Up, cool, down — “heat lifts water up, cooling makes clouds, rain brings it down”

  1. Evaporation: water → vapour (puddles dry, wet clothes dry). Condensation: vapour → drops (clouds, drops on a cold glass).
  2. Freezing: water → ice. Melting: ice → water. Precipitation: rain, hail and snow falling.
  3. Water boils at 100 °C at sea level and freezes at 0 °C.

Use it for: Class 4 EVS and science lessons on water and weather, and drying clothes on a sunny day.

Worked example: 🔄 Which change is this: puddles dry in the sun? → evaporation

  1. The sun heats the water in the puddle.
  2. The water turns into vapour and goes into the air — that is evaporation.

Check: The water did not vanish — it rose into the air as vapour ✓

▶ Watch it animated

✏️ Practice

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🏁 Lesson 21 test

20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.

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🖨️ Class 4 EVS Worksheet: Water Cycle

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