Wood as Fuel

• Wood burns to give heat and light.
• Used for cooking and warmth — chulha, bonfire (with adults).
• Burning = wood reacts with oxygen in air.
• Looking Around 3 — village kitchen and festival fire safety.

Level 1 — Core idea

Verbal: Dry wood in a stove releases heat to cook roti.

Symbolic: Wood + oxygen + heat → ash + smoke + energy.

Visual: Diagram: wood in fire → flame, warm pot above.

Level 2 — Going deeper

Dry wood burns better than wet wood. Burning produces smoke — need ventilation. Ash is leftover matter.

NCERT anchor

NCERT Looking Around 3, Chapter 14 food cooking methods include traditional chulha. Always follow adult rules near fire.

Why use wood for cooking in some villages?

Step 1 — Wood available locally
Step 2 — Burning gives **steady heat** for pot
Step 3 — Must vent smoke safely ✓

Wet vs dry wood — which burns easier?

Step 1 — Wet wood has extra water
Step 2 — Heat first dries wood — wastes energy
Answer: **Dry wood** burns better

• What two things does burning wood give?
• Why dry wood better?
• One safe rule near fire.
• Stretch: Why not burn plastic with wood for cooking?

Revision tip: Draw safe cooking setup: pot, wood, ventilation arrow.

Open the Practice tab for graded questions on Wood as Fuel.