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GenaCL600 [577]
3 years ago
5

When a substance is heated, what causes its properties to change?

Chemistry
2 answers:
hoa [83]3 years ago
8 0

The molecules vibrate when the substance is heated, and the shape of the substance begins to form a different shape. For example: when you hear up metal it will melt becuase its molecules are changing and moving.

sergey [27]3 years ago
6 0
Molecule movement. Ice is so hard because molecules are not moving, and the space between them are small. Hot water has bigger space between molecules that are always in motion.
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