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How can We Change the States of Water I Video Lecture | Crash Course for Class 6

FAQs on How can We Change the States of Water I Video Lecture - Crash Course for Class 6

1. What are the three states of water?
Ans. The three states of water are solid (ice), liquid (water), and gas (water vapor or steam). Ice is the solid form, water is the liquid form, and steam is the gaseous form of water.
2. How can we change water from one state to another?
Ans. We can change water from one state to another by applying or removing heat. For example, heating water turns it into steam (gas), while cooling it causes it to freeze into ice (solid).
3. What happens to water when it freezes?
Ans. When water freezes, it loses heat energy and its molecules slow down and arrange themselves into a solid structure, forming ice. This process occurs at 0 degrees Celsius (32 degrees Fahrenheit).
4. What is evaporation and how does it relate to water changing states?
Ans. Evaporation is the process where water changes from a liquid to a gas. This occurs when water is heated, allowing the molecules to gain enough energy to escape into the air as water vapor.
5. Can water exist in all three states at the same time?
Ans. Yes, water can exist in all three states at the same time in a specific condition called the triple point, which occurs at a certain temperature and pressure where ice, liquid water, and water vapor coexist.
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