Question

14. Vineet was feeling very thirsty so he took out some ice cubes to add into the water and forgot to keep the ice tray back. After some time, when he came back he saw all the ice present in the tray had changed into water. He got confused and asked his teacher to explain the reason behind it.

(a) Does water exist in any other form?

(b) What happens to ice when kept at room temperature?

(c) What values do you observe in Vineet?

Answer 1

Part (a):

• Yes, water exists in 3 phases,

1. Water represents the liquid phase.
2. ice represents the solid phase.
3. Steam(water vapor) represents the gas phase.

Part (b):

• When ice is kept at room temperature, it melts and is converted into water by changing its state from solid to liquid.

Part (c):

• Vineet is a curious student.
• He asks questions to satisfy his curiosity and ready to accept the concept.