14 Changes of Matter Unit 7 Properties and Changes of Matter
1 Does a change in the state of matter produce new matter?
1. We often see changes in matter around us. Have you noticed if the matter has just changed its state or has produced new matter? 2. Look at these pictures carefully. What process of change does water go through? Does the process produce new matter?
1
boiling water
2
3
water droplets formed on a soft drink can
making ice cubes
Quick Check When water is changing its state, it produces / does not produce new matter.
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