Describe the changes that happened in the materials when they cooled after 3 to 5 minutes?
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Describe the changes that happened in the materials when they cooled after 3 to 5 minutes?
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Answer:
Cooling a substance makes the molecules move slower.
Explanation:
This means that one of their properties can be changed by an external condition, such as temperature, light, pressure, electricity, voltage, pH, or chemical compounds. This change is reversible and can be repeated many times. There is a wide range of different smart materials.