A Journey Through States of Water — Class 6 Science NCERT Solutions (Free)
Free step-by-step NCERT solutions for Class 6 Science chapter "A Journey Through States of Water" — 8 important questions with detailed answers for CBSE board exam preparation.
TL;DR: Free step-by-step NCERT solutions for Class 6 Science chapter "A Journey Through States of Water" — 8 important questions with detailed answers for CB…
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Key Questions Covered:
- What are the three states of matter? Give examples of water in each state.
- What is evaporation? Explain with an example.
- What is condensation? How is it different from evaporation?
- Describe the water cycle with its main processes.
- What is melting? How is it different from evaporation?
- What is freezing? Give real-life examples.
- + 2 more questions in the full chapter
Solutions Summary:
| Question | Status |
|---|---|
| What are the three states of matter? Give examples of wat… | ✓ Solved |
| What is evaporation? Explain with an example. | ✓ Solved |
| What is condensation? How is it different from evaporation? | ✓ Solved |
| Describe the water cycle with its main processes. | ✓ Solved |
| What is melting? How is it different from evaporation? | ✓ Solved |
| What is freezing? Give real-life examples. | ✓ Solved |
Showing 6 of 8 questions
Q1: What are the three states of matter? Give examples of water in each state.
The three states of matter are:
- Solid: Ice (water in frozen form)
- Liquid: Water (water in liquid form at room temperature)
- Gas: Water vapour (water in gaseous form when heated)
Water naturally exists in all three states on Earth.
Q2: What is evaporation? Explain with an example.
Evaporation is the process by which a liquid changes into a gas. It occurs when liquid water is heated, and water molecules gain energy to escape into the air as water vapour. Examples include wet clothes drying on a clothesline, water evaporating from a puddle in sunshine, and sweat evaporating from our skin.
Q3: What is condensation? How is it different from evaporation?
Condensation is the process by which a gas changes into a liquid when cooled. It is the reverse of evaporation. In evaporation, heat is absorbed and a liquid becomes a gas. In condensation, heat is released and a gas becomes a liquid. Example: water vapour in air condenses on cool mirror surfaces as water droplets.
Q4: Describe the water cycle with its main processes.
The water cycle involves four main processes:
- Evaporation: Water from oceans, lakes, and rivers evaporates due to sun's heat
- Condensation: Water vapour cools and forms clouds in the atmosphere
- Precipitation: Water falls as rain, snow, or sleet
- Collection: Water collects in oceans, lakes, rivers, and soil, and the cycle repeats
Q5: What is melting? How is it different from evaporation?
Melting is the process by which a solid changes into a liquid when heated. Evaporation is when a liquid changes into a gas. Melting occurs at a specific temperature (0°C for ice), while evaporation can occur at any temperature. Melting produces liquid, evaporation produces gas.
Q6: What is freezing? Give real-life examples.
Freezing is the process by which a liquid changes into a solid when cooled. It is the reverse of melting. Examples include water freezing into ice at 0°C in winters, formation of frost on leaves during cold nights, and ice cream becoming solid when cooled in a freezer.
Showing 6 of 8 questions. Visit the full page for complete solutions.
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