science
Grade-2
Easy
Question
Without heating, a solid is converted into a liquid. What is the reason?
- Due to temperature
- Due to pressure
- Due to force
- Due to distance
Hint:
There are 3 states of matter. Matter interchanges into other forms by exchanging heat.
The correct answer is: Due to temperature
- At low temperatures, most substances are solid; as the temperature increases, they become liquid; at higher temperatures still, they become gaseous.
- The process of a solid becoming a liquid is called melting (an older term that you may see sometimes is a fusion
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