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Class 6 Science · Chapter 8 · NCERT (fecu108)

A Journey through States of Water: common misconceptions

See the tempting mistake students make in A Journey through States of Water, why it feels right at first glance, and a worked visual example that shows the right idea.

The tempting mistake & worked visual

Can water evaporate without boiling?

Wrong

A puddle can dry only if the water boils.

Why it feels right. Both processes turn liquid into vapour, so I expect the same conditions.

Right

Evaporation can happen at the surface below the boiling point.

Worked example

Water leaves the surface at room temperature. The dots above the water represent vapour.
  1. A shallow puddle gets smaller at room temperature without bubbling.
  2. Water escapes from the surface into the air.

If your child says… (7 concept checks in this chapter)

As you work through A Journey through States of Water, listen for these everyday misunderstandings and use the prompt alongside each one.

If your child says… “The water soaked through the steel.”

Ask together
Is anything wet underneath the plate?
What’s true
Water cannot soak through an intact steel plate.

If your child says… “Water leaked through the tumbler.”

Ask together
What water was inside this empty tumbler?
What’s true
Outside droplets come from the surrounding air.
3. States of water See how to teach this step →

If your child says… “Ice spreads everywhere, like vapour.”

Ask together
Did the cube fill the tumbler’s shape?
What’s true
An unmelted ice cube retains its shape.
4. Melting and freezing See how to teach this step →

If your child says… “The freezer adds something to make ice.”

Ask together
What did we add before putting the bowl back?
What’s true
A freezer removes heat without adding another substance.
5. Factors affecting evaporation See how to teach this step →

If your child says… “Only heat speeds up drying.”

Ask together
Which cloth exposes more wet surface?
What’s true
Equal temperatures need not mean equal drying speeds.
6. Cooling effect of evaporation See how to teach this step →

If your child says… “Drying only removes water.”

Ask together
Does your wet hand feel different while it dries?
What’s true
Evaporation removes heat as well as water.
7. Clouds, rain and the water cycle See how to teach this step →

If your child says… “The water cycle ends when rain reaches the ground.”

Ask together
Where could river water go after flowing back to the sea?
What’s true
Rainwater can enter the air again through evaporation, so the cycle continues.

Use this chapter three ways